High Temperature

High Temperature

Certain industries and applications require parts that can be used safely in harsh environments with high temperatures, often in excess of 200°C. Here at Rhopoint Components we offer a range of high temperature precision for various applications - power, high-ohmic and non-magnetic resistors, as well as resistor networks in both through-hole and surface-mount options. Browse our range below.

Can't find what you're looking for? Contact us, we can often offer customised solution to meet all your needs.

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Alpha MPH Series

The MPH ultra-precision resistor series from Alpha Electronics offers a wide resistance range from 30Ω up to 30kΩ with tight tolerances down to +0.05% (100Ω to 30kΩ), all in a small surface-mount package. By utilising Alpha's Bulk Metal® foil resistor technology, they are able to produce resistors with low temperature coefficients and excellent long-term stability. Expanding on the standard Alpha MP series, the MPH series offers gold-plated J-lead terminals making them suitable for higher temperatures of up to +200°C. The gold-plated J-lead terminals provide flexibility compared to standard fixed surface-mount resistors as the resistive element internally is mechanically isolated from the leads via gold wire-bonding.

  • Surface-mount ultra-precision resistor
  • Available in any resistance between 30Ω and 30kΩ
  • Surface-mount moulded package with gold-plated J-lead terminations for high temperatures of up to +200°C
  • The resistive element is mechanically isolated from the contact terminals
  • Tight tolerance of ±0.05% for resistances between 100Ω and 30kΩ
  • Tight TCR of ±5 ppm/°C (from -55°C up to +125°C, between 100Ω and 30kΩ) or ±10 ppm/°C (from -55°C up to +125°C, between 30Ω and 100Ω)
  • Maximum working voltage of 50V
  • Maximum working current of 0.35A
  • Power rating of 0.1W (at +125°C)
  • Maximum rated operating temperature +125°C
  • Working temperature from -65°C up to +200°C

Alpha's MPH surface-mount, ultra-precision resistor series exhibit excellent high frequency characteristics thanks to their Bulk Metal® foil resistor technology, making them suitable for the most demanding precision applications.

These resistors are constructed using an outer coating of epoxy resin, which provides excellent resistance to moisture, heat and solvents. Internally, the resistive element is mechanically isolated from the lead frames using gold wire-bonding.

The below table gives the full specifications for each resistor model available including the Alpha MPH series:

Alpha MPH Specifications

* Please contact us for tighter tolerances

£0.00 Ex Tax: £0.00

Alpha MQH Series

The MQH ultra-precision resistor series from Alpha Electronics offers a wide resistance range from 30Ω up to 60kΩ with tight tolerances down to +0.05% (100Ω to 60kΩ), all in a small surface-mount package. By utilising Alpha's Bulk Metal® foil resistor technology, they are able to produce resistors with low temperature coefficients and excellent long-term stability. Expanding on the standard Alpha MQ series, the MQH series offers gold-plated J-lead terminals making them suitable for higher temperatures of up to +200°C. The gold-plated J-lead terminals provide flexibility compared to standard fixed surface-mount resistors as the resistive element internally is mechanically isolated from the leads via gold wire-bonding.

  • Surface-mount ultra-precision resistor
  • Available in any resistance between 30Ω and 60kΩ
  • Surface-mount moulded package with gold-plated J-lead terminations for high temperatures of up to +200°C
  • The resistive element is mechanically isolated from the contact terminals
  • Tight tolerance of ±0.05% for resistances between 100Ω and 60kΩ
  • Tight TCR of ±5 ppm/°C (from -55°C up to +125°C, between 100Ω and 60kΩ) or ±10 ppm/°C (from -55°C up to +125°C, between 30Ω and 100Ω)
  • Maximum working voltage of 100V
  • Maximum working current of 0.35A
  • Power rating of 0.125W (at +125°C)
  • Maximum rated operating temperature +125°C
  • Working temperature from -65°C up to +200°C

Alpha's MQH surface-mount, ultra-precision resistor series exhibit excellent high frequency characteristics thanks to their Bulk Metal® foil resistor technology, making them suitable for the most demanding precision applications.

These resistors are constructed using an outer coating of epoxy resin, which provides excellent resistance to moisture, heat and solvents. Internally, the resistive element is mechanically isolated from the lead frames using gold wire-bonding.

The below table gives the full specifications for each resistor model available including the Alpha MQH series:

Alpha MQH Specifications

* Please contact us for tighter tolerances

£0.00 Ex Tax: £0.00

Caddock MS Series

The MS power film resistor family from Caddock are axial-lead resistors with a wide resistance range from 20Ω to 30MΩ and a maximum operating temperature of +275°C. These resistors have a power rating of up to 22W at +25°C and maximum voltage of 6000V. Caddock MS power film high voltage resistors are cost effective high voltage resistors. Caddock MS power film high voltage resistors performance begins with Caddock's Micronox® resistance films which are fired directly onto a ceramic core at temperatures above 1400°F (760°C). These resistance films have demonstrated outstanding stability when exposed to a high ambient temperature, thermal shock and high power densities.

  • High voltage power film through-hole resistor
  • Higher voltage ratings without the limitations of minimum wire size and spacing
  • Resistance values available between 20Ω and 30MΩ
  • TCR ±80 ppm/°C (between 0°C and +70°C)
  • Tolerance of ±1.0% (±0.1% are available on special order)
  • Maximum power rating of up to 22W (at +25°C, MS322 model) or up to 13.2W (at +125°C, MS322 model)
  • Maximum voltage 6000V
  • Maximum operating temperature +275°C
  • Excellent long term stability

Most models are manufactured with Caddock's non-inductive serpentine resistive pattern that provides a truly non-inductive resistor that is about as inductive as a straight piece of wire the length of the resistor body. Caddock MS series lead material is nickel clad copper with thin gold plate, solderable. For welding applications, optional pure nickel leads are available on Models MS126, MS150, MS151, MS175, MS176, MS210.

The below table gives the specifications available for the complete MS resistor series:

Caddock MS series Specifications

Caddock MM SpecificationsModels with low inductance construction are in shaded areas

Caddock MM Specifications Models with Caddock's non-inductance resistance pattern are in non-shaded areas

* limited by power rating

£0.00 Ex Tax: £0.00

SRT CHM 0805-HT Series

The CHM 0805-HT high temperature, high ohmic non-magnetic resistor series from SRT Resistor Technology offers the same features as the CHM 0805 range, while allowing for high temperature applications of up to 300°C. The main features comprise of a wide resistance range from 100kΩ up to 1TΩ, power rating of 0.125W and voltage rating of 200V trimmed or 400V untrimmed (tolerances ≥5%), all in a small 0805 surface mount package. By utilising SRT's meander structured thick film resistor technology, these chip resistors are able to offer tolerances down to ±2% (between 100kΩ and 100MΩ) as well as a TCR of ±25 ppm/°C and a VCR as low as ±100 ppm/V (between 100kΩ and 100MΩ). The CHM 0805-HT resistor series contains no organics making them suitable for high vacuum applications and offer PtAg (platinum silver) terminations for conductive gluing and soldering.

  • Meander structured surface-mount thick film chip resistor
  • Available in any resistance between 100kΩ and 1TΩ
  • 0805 package
  • Power rating of 0.125W at +70°C
  • Voltage rating of 200V trimmed or 400V untrimmed (tolerances ≥5%)
  • Tolerances as low as ±2% over the resistance range of 100kΩ up to 100MΩ
  • TCR as low as ±25 ppm/°C over the resistance range of 100kΩ to 100MΩ
  • VCR as low as ±100 ppm/V over the resistance range of 100kΩ up to 100MΩ
  • Operating temperature from -55°C up to +300°C
  • Non-magnetic
  • PtAg (platinum silver) terminations for conductive gluing and soldering
  • Low temperature and voltage dependency
  • No organics

Custom tolerance, TCR and VCR options are available upon request. Please contact us for further information and availability.

Please see the derating curve below for the CHx-HT, CRB-HT and CBW-HT series from 0°C to +300°C:

SRT CHM-HT Derating curve

The final measuring of the resistors takes place at room temperature (independent of TCR).

Please pay attention to the interconnection technology at high temperature applications.

The below table gives full specifications for each resistor model available including the CHM 0805-HT series:

SRT CHM Specifications

1) At continuous power dissipation the dimensions of solder-pads have to secure a sufficient heat removal
2) TCR: in ppm/K; +25°C...+125°C; TCR lower than standard TCR (highest value) or value >100G: +25°C...+85°C
3) VCR: typical values, all negative, not for all TCR values available

£0.00 Ex Tax: £0.00

SRT CHM 1206-HT Series

The CHM 1206-HT high temperature, high ohmic non-magnetic resistor series from SRT Resistor Technology offers the same features as the CHM 1206 range, while allowing for high temperature applications of up to 300°C. The main features comprise of a wide resistance range from 100kΩ up to 1TΩ, power rating of 0.25W and voltage rating of 600V trimmed or 1000V untrimmed (tolerances ≥5%), all in a small 1206 surface mount package. By utilising SRT's meander structured thick film resistor technology, these chip resistors are able to offer tolerances down to ±1% (between 100kΩ and 100MΩ) as well as a TCR of ±25 ppm/°C and a VCR as low as ±50 ppm/V (between 100kΩ and 100MΩ). The CHM 1206-HT resistor series contains no organics making them suitable for high vacuum applications and offer PtAg (platinum silver) terminations for conductive gluing and soldering.

  • Meander structured surface-mount thick film chip resistor
  • Available in any resistance between 100kΩ and 1TΩ
  • 1206 package
  • Power rating of 0.25W at +70°C
  • Voltage rating of 600V trimmed or 1000V untrimmed (tolerances ≥5%)
  • Tolerances as low as ±1% over the resistance range of 100kΩ up to 100MΩ
  • TCR as low as ±25 ppm/°C over the resistance range of 100kΩ to 100MΩ
  • VCR as low as ±100 ppm/V over the resistance range of 100kΩ up to 100MΩ
  • Operating temperature from -55°C up to +300°C
  • Non-magnetic
  • PtAg (platinum silver) terminations for conductive gluing and soldering
  • Low temperature and voltage dependency
  • No organics

Custom tolerance, TCR and VCR options are available upon request. Please contact us for further information and availability.

Please see the derating curve below for the CHx-HT, CRB-HT and CBW-HT series from 0°C to +300°C:

SRT CHM-HT Derating curve

The final measuring of the resistors takes place at room temperature (independent of TCR).

Please pay attention to the interconnection technology at high temperature applications.

The below table gives full specifications for each resistor model available including the CHM 1206-HT series:

SRT CHM Specifications

1) At continuous power dissipation the dimensions of solder-pads have to secure a sufficient heat removal
2) TCR: in ppm/K; +25°C...+125°C; TCR lower than standard TCR (highest value) or value >100G: +25°C...+85°C
3) VCR: typical values, all negative, not for all TCR values available

£0.00 Ex Tax: £0.00

SRT CHM 1210-HT Series

The CHM 1210-HT high temperature, high ohmic non-magnetic resistor series from SRT Resistor Technology offers the same features as the CHM 1210 range, while allowing for high temperature applications of up to 300°C. The main features comprise of a wide resistance range from 100kΩ up to 1TΩ, power rating of 0.35W and voltage rating of 800V trimmed or 1200V untrimmed (tolerances ≥5%), all in a small 1210 surface mount package. By utilising SRT's meander structured thick film resistor technology, these chip resistors are able to offer tolerances down to ±1% (between 100kΩ and 1GΩ) as well as a TCR of ±25 ppm/°C (between 100kΩ and 10GΩ) and a VCR as low as ±50 ppm/V (between 100kΩ and 1GΩ). The CHM 1210-HT resistor series contains no organics making them suitable for high vacuum applications and offer PtAg (platinum silver) terminations for conductive gluing and soldering.

  • Meander structured surface-mount thick film chip resistor
  • Available in any resistance between 100kΩ and 1TΩ
  • 1210 package
  • Power rating of 0.35W at +70°C
  • Voltage rating of 800V trimmed or 1200V untrimmed (tolerances ≥5%)
  • Tolerances as low as ±1% over the resistance range of 100kΩ up to 1GΩ
  • TCR as low as ±25 ppm/°C over the resistance range of 100kΩ to 10GΩ
  • VCR as low as ±50 ppm/V over the resistance range of 100kΩ up to 1GΩ
  • Operating temperature from -55°C up to +300°C
  • Non-magnetic
  • PtAg (platinum silver) terminations for conductive gluing and soldering
  • Low temperature and voltage dependency
  • No organics

Custom tolerance, TCR and VCR options are available upon request. Please contact us for further information and availability.

Please see the derating curve below for the CHx-HT, CRB-HT and CBW-HT series from 0°C to +300°C:

SRT CHM-HT Derating curve

The final measuring of the resistors takes place at room temperature (independent of TCR).

Please pay attention to the interconnection technology at high temperature applications.

The below table gives full specifications for each resistor model available including the CHM 1210-HT series:

SRT CHM Specifications

1) At continuous power dissipation the dimensions of solder-pads have to secure a sufficient heat removal
2) TCR: in ppm/K; +25°C...+125°C; TCR lower than standard TCR (highest value) or value >100G: +25°C...+85°C
3) VCR: typical values, all negative, not for all TCR values available

£0.00 Ex Tax: £0.00

SRT CHM 2010-HT Series

The CHM 2010-HT high temperature, high ohmic non-magnetic resistor series from SRT Resistor Technology offers the same features as the CHM 2010 range, while allowing for high temperature applications of up to 300°C. The main features comprise of a wide resistance range from 100kΩ up to 1TΩ, power rating of 0.5W and voltage rating of 1500V trimmed or 2000V untrimmed (tolerances ≥5%), all in a small 2010 surface mount package. By utilising SRT's meander structured thick film resistor technology, these chip resistors are able to offer tolerances down to ±1% (between 100kΩ and 1GΩ) as well as a TCR of ±25 ppm/°C (between 100kΩ and 10GΩ) and a VCR as low as ±25 ppm/V (between 100kΩ and 100MΩ). The CHM 2010-HT resistor series contains no organics making them suitable for high vacuum applications and offer PtAg (platinum silver) terminations for conductive gluing and soldering.

  • Meander structured surface-mount thick film chip resistor
  • Available in any resistance between 100kΩ and 1TΩ
  • 2010 package
  • Power rating of 0.5W at +70°C
  • Voltage rating of 1500V trimmed or 2000V untrimmed (tolerances ≥5%)
  • Tolerances as low as ±1% over the resistance range of 100kΩ up to 1GΩ
  • TCR as low as ±25 ppm/°C over the resistance range of 100kΩ to 10GΩ
  • VCR as low as ±25 ppm/V over the resistance range of 100kΩ up to 100MΩ
  • Operating temperature from -55°C up to +300°C
  • Non-magnetic
  • PtAg (platinum silver) terminations for conductive gluing and soldering
  • Low temperature and voltage dependency
  • No organics

Custom tolerance, TCR and VCR options are available upon request. Please contact us for further information and availability.

Please see the derating curve below for the CHx-HT, CRB-HT and CBW-HT series from 0°C to +300°C:

SRT CHM-HT Derating curve

The final measuring of the resistors takes place at room temperature (independent of TCR).

Please pay attention to the interconnection technology at high temperature applications.

The below table gives full specifications for each resistor model available including the CHM 2010-HT series:

SRT CHM Specifications

1) At continuous power dissipation the dimensions of solder-pads have to secure a sufficient heat removal
2) TCR: in ppm/K; +25°C...+125°C; TCR lower than standard TCR (highest value) or value >100G: +25°C...+85°C
3) VCR: typical values, all negative, not for all TCR values available

£0.00 Ex Tax: £0.00

SRT CHM 2512-HT Series

The CHM 2512-HT high temperature, high ohmic non-magnetic resistor series from SRT Resistor Technology offers the same features as the CHM 2512 range, while allowing for high temperature applications of up to 300°C. The main features comprise of a wide resistance range from 100kΩ up to 10TΩ, power rating of 1W and voltage rating of 2500V trimmed or 3000V untrimmed (tolerances ≥5%), all in a small 2512 surface mount package. By utilising SRT's meander structured thick film resistor technology, these chip resistors are able to offer tolerances down to ±1% (between 100kΩ and 1GΩ) as well as a TCR of ±25 ppm/°C (between 100kΩ and 10GΩ) and a VCR as low as ±10 ppm/V (between 100kΩ and 100MΩ). The CHM 2512-HT resistor series contains no organics making them suitable for high vacuum applications and offer PtAg (platinum silver) terminations for conductive gluing and soldering.

  • Meander structured surface-mount thick film chip resistor
  • Available in any resistance between 100kΩ and 10TΩ
  • 2512 package
  • Power rating of 1W at +70°C
  • Voltage rating of 2500V trimmed or 3000V untrimmed (tolerances ≥5%)
  • Tolerances as low as ±1% over the resistance range of 100kΩ up to 1GΩ
  • TCR as low as ±25 ppm/°C over the resistance range of 100kΩ to 10GΩ
  • VCR as low as ±10 ppm/V over the resistance range of 100kΩ up to 100MΩ
  • Operating temperature from -55°C up to +300°C
  • Non-magnetic
  • PtAg (platinum silver) terminations for conductive gluing and soldering
  • Low temperature and voltage dependency
  • No organics

Custom tolerance, TCR and VCR options are available upon request. Please contact us for further information and availability.

Please see the derating curve below for the CHx-HT, CRB-HT and CBW-HT series from 0°C to +300°C:

SRT CHM-HT Derating curve

The final measuring of the resistors takes place at room temperature (independent of TCR).

Please pay attention to the interconnection technology at high temperature applications.

The below table gives full specifications for each resistor model available including the CHM 2512-HT series:

SRT CHM Specifications

1) At continuous power dissipation the dimensions of solder-pads have to secure a sufficient heat removal
2) TCR: in ppm/K; +25°C...+125°C; TCR lower than standard TCR (highest value) or value >100G: +25°C...+85°C
3) VCR: typical values, all negative, not for all TCR values available

£0.00 Ex Tax: £0.00

SRT CHM 4020-HT Series

The CHM 2512-HT high temperature, high ohmic non-magnetic resistor series from SRT Resistor Technology offers the same features as the CHM 2512 range, while allowing for high temperature applications of up to 300°C. The main features comprise of a wide resistance range from 100kΩ up to 10TΩ, power rating of 1W and voltage rating of 2500V trimmed or 3000V untrimmed (tolerances ≥5%), all in a small 2512 surface mount package. By utilising SRT's meander structured thick film resistor technology, these chip resistors are able to offer tolerances down to ±1% (between 100kΩ and 1GΩ) as well as a TCR of ±25 ppm/°C (between 100kΩ and 10GΩ) and a VCR as low as ±10 ppm/V (between 100kΩ and 100MΩ). The CHM 2512-HT resistor series contains no organics making them suitable for high vacuum applications and offer PtAg (platinum silver) terminations for conductive gluing and soldering.

  • Meander structured surface-mount thick film chip resistor
  • Available in any resistance between 100kΩ and 10TΩ
  • 2512 package
  • Power rating of 1W at +70°C
  • Voltage rating of 2500V trimmed or 3000V untrimmed (tolerances ≥5%)
  • Tolerances as low as ±1% over the resistance range of 100kΩ up to 1GΩ
  • TCR as low as ±25 ppm/°C over the resistance range of 100kΩ to 10GΩ
  • VCR as low as ±10 ppm/V over the resistance range of 100kΩ up to 100MΩ
  • Operating temperature from -55°C up to +300°C
  • Non-magnetic
  • PtAg (platinum silver) terminations for conductive gluing and soldering
  • Low temperature and voltage dependency
  • No organics

Custom tolerance, TCR and VCR options are available upon request. Please contact us for further information and availability.

Please see the derating curve below for the CHx-HT, CRB-HT and CBW-HT series from 0°C to +300°C:

SRT CHM-HT Derating curve

The final measuring of the resistors takes place at room temperature (independent of TCR).

Please pay attention to the interconnection technology at high temperature applications.

The below table gives full specifications for each resistor model available including the CHM 2512-HT series:

SRT CHM Specifications

1) At continuous power dissipation the dimensions of solder-pads have to secure a sufficient heat removal
2) TCR: in ppm/K; +25°C...+125°C; TCR lower than standard TCR (highest value) or value >100G: +25°C...+85°C
3) VCR: typical values, all negative, not for all TCR values available

£0.00 Ex Tax: £0.00

SRT CHR 0402-HT Series

The CHR 0402-HT high temperature non-magnetic resistor series from SRT Resistor Technology offers the same features as the CHR 0402 range while allowing for high temperature applications of up to 300°C. The main features comprise of a wide resistance range from 1Ω up to 10MΩ, power rating of 0.05W and voltage rating of 30V trimmed or 60V untrimmed (tolerances ≥5%), all in a small 0402 surface mount package. By utilising SRT's thick film resistor technology, they are able to offer low tolerances down to ±2.0% (between 100Ω and 10MΩ) and TCR as low as ±50 ppm/°C (between +25°C and +85°C). The CHR 0402-HT resistor series contains no organics making them suitable for high vacuum applications and offer PtAg (platinum silver) terminations for conductive gluing and soldering.

  • Surface-mount thick film chip resistor
  • Available in any resistance between 1Ω and 10MΩ
  • 0402 package
  • Power rating of 0.05W at +70°C
  • Voltage rating of 30V trimmed or 60V untrimmed (tolerances ≥5%)
  • Tolerances as low as ±2.0% over the resistance range of 100Ω up to 10MΩ
  • TCR as low as ±50 ppm/°C over the resistance range of 100Ω to 10MΩ
  • Operating temperature from -55°C up to +300°C
  • Non-magnetic
  • PtAg (platinum silver) terminations for conductive gluing and soldering
  • No organics

Custom tolerance, TCR and VCR options are available upon request. Please contact us for further information and availability.

Please see the derating curve below for the CHx-HT, CRB-HT and CBW-HT series from 0°C to +300°C:

SRT CHR-HT Derating curve

The final measuring of the resistors takes place at room temperature (independent of TCR).

Please pay attention to the interconnection technology at high temperature applications.

The below table gives full specifications for each resistor model available including the CHR 0402-HT series:

SRT CHR Specifications

1) TCR: in ppm/K; +25°C...+125°C; TCR below standard TCR (highest value): +25°C...+85°C
2) Continuous operating voltage (U_, Ueff): V ≤ √(P*R) or max. working voltage (the lower value)
3) At continuous power dissipation the dimensions of solder-pads have to secure a sufficient heat removal Power Mode: 2W as CHR 2512-HT (P70=2W, P300=0W) and 3W as CHR 4020-HT (P70=3W, P300=0W) respectively. Higher power rating requires an adequate heat removal (e.g. increased solder pads or Copper thicknesses). The user has to guarantee, that solder joints will not run over their load limit. The resistor must not exceed the specified operating temperature range

£0.00 Ex Tax: £0.00

SRT CHR 0603-HT Series

The CHR 0603-HT high temperature non-magnetic resistor series from SRT Resistor Technology offers the same features as the CHR 0603 range while allowing for high temperature applications of up to 300°C. The main features comprise of a wide resistance range from 1Ω up to 10MΩ, power rating of 0.1W and voltage rating of 75V trimmed or 150V untrimmed (tolerances ≥5%), all in a small 0603 surface mount package. By utilising SRT's thick film resistor technology, they are able to offer low tolerances down to ±2.0% (between 100Ω and 10MΩ) and TCR as low as ±50 ppm/°C (between +25°C and +85°C). The CHR 0603-HT resistor series contains no organics making them suitable for high vacuum applications and offer PtAg (platinum silver) terminations for conductive gluing and soldering.

  • Surface-mount thick film chip resistor
  • Available in any resistance between 1Ω and 10MΩ
  • 0603 package
  • Power rating of 0.1W at +70°C
  • Voltage rating of 75V trimmed or 150V untrimmed (tolerances ≥5%)
  • Tolerances as low as ±2.0% over the resistance range of 100Ω up to 10MΩ
  • TCR as low as ±50 ppm/°C over the resistance range of 10Ω to 10MΩ
  • Operating temperature from -55°C up to +300°C
  • Non-magnetic
  • PtAg (platinum silver) terminations for conductive gluing and soldering
  • No organics

Custom tolerance, TCR and VCR options are available upon request. Please contact us for further information and availability.

Please see the derating curve below for the CHx-HT, CRB-HT and CBW-HT series from 0°C to +300°C:

SRT CHR-HT Derating curve

The final measuring of the resistors takes place at room temperature (independent of TCR).

Please pay attention to the interconnection technology at high temperature applications.

The below table gives full specifications for each resistor model available including the CHR 0603-HT series:

SRT CHR Specifications

1) TCR: in ppm/K; +25°C...+125°C; TCR below standard TCR (highest value): +25°C...+85°C
2) Continuous operating voltage (U_, Ueff): V ≤ √(P*R) or max. working voltage (the lower value)
3) At continuous power dissipation the dimensions of solder-pads have to secure a sufficient heat removal Power Mode: 2W as CHR 2512-HT (P70=2W, P300=0W) and 3W as CHR 4020-HT (P70=3W, P300=0W) respectively. Higher power rating requires an adequate heat removal (e.g. increased solder pads or Copper thicknesses). The user has to guarantee, that solder joints will not run over their load limit. The resistor must not exceed the specified operating temperature range

£0.00 Ex Tax: £0.00

SRT CHR 0805-HT Series

The CHR 0805-HT high temperature non-magnetic resistor series from SRT Resistor Technology offers the same features as the CHR 0805 range while allowing for high temperature applications of up to 300°C. The main features comprise of a wide resistance range from 1Ω up to 10MΩ, power rating of 0.125W and voltage rating of 100V trimmed or 200V untrimmed (tolerances ≥5%), all in a small 0805 surface mount package. By utilising SRT's thick film resistor technology, they are able to offer low tolerances down to ±2.0% (between 10Ω and 10MΩ) and TCR as low as ±50 ppm/°C (between +25°C and +85°C). The CHR 0805-HT resistor series contains no organics making them suitable for high vacuum applications and offer PtAg (platinum silver) terminations for conductive gluing and soldering.

  • Surface-mount thick film chip resistor
  • Available in any resistance between 1Ω and 10MΩ
  • 0805 package
  • Power rating of 0.125W at +70°C
  • Voltage rating of 100V trimmed or 200V untrimmed (tolerances ≥5%)
  • Tolerances as low as ±2.0% over the resistance range of 10Ω up to 10MΩ
  • TCR as low as ±50 ppm/°C over the resistance range of 10Ω to 10MΩ
  • Operating temperature from -55°C up to +300°C
  • Non-magnetic
  • PtAg (platinum silver) terminations for conductive gluing and soldering
  • No organics

Custom tolerance, TCR and VCR options are available upon request. Please contact us for further information and availability.

Please see the derating curve below for the CHx-HT, CRB-HT and CBW-HT series from 0°C to +300°C:

SRT CHR-HT Derating curve

The final measuring of the resistors takes place at room temperature (independent of TCR).

Please pay attention to the interconnection technology at high temperature applications.

The below table gives full specifications for each resistor model available including the CHR 0805-HT series:

SRT CHR Specifications

1) TCR: in ppm/K; +25°C...+125°C; TCR below standard TCR (highest value): +25°C...+85°C
2) Continuous operating voltage (U_, Ueff): V ≤ √(P*R) or max. working voltage (the lower value)
3) At continuous power dissipation the dimensions of solder-pads have to secure a sufficient heat removal Power Mode: 2W as CHR 2512-HT (P70=2W, P300=0W) and 3W as CHR 4020-HT (P70=3W, P300=0W) respectively. Higher power rating requires an adequate heat removal (e.g. increased solder pads or Copper thicknesses). The user has to guarantee, that solder joints will not run over their load limit. The resistor must not exceed the specified operating temperature range

£0.00 Ex Tax: £0.00

SRT CHR 1206-HT Series

The CHR 1206-HT high temperature non-magnetic resistor series from SRT Resistor Technology offers the same features as the CHR 1206 range while allowing for high temperature applications of up to 300°C. The main features comprise of a wide resistance range from 1Ω up to 10MΩ, power rating of 0.25W and voltage rating of 200V trimmed or 400V untrimmed (tolerances ≥5%), all in a small 1206 surface mount package. By utilising SRT's thick film resistor technology, they are able to offer low tolerances down to ±2.0% (between 10Ω and 10MΩ) and TCR as low as ±50 ppm/°C (between +25°C and +85°C). The CHR 1206-HT resistor series contains no organics making them suitable for high vacuum applications and offer PtAg (platinum silver) terminations for conductive gluing and soldering.

  • Surface-mount thick film chip resistor
  • Available in any resistance between 1Ω and 10MΩ
  • 1206 package
  • Power rating of 0.25W at +70°C
  • Voltage rating of 200V trimmed or 400V untrimmed (tolerances ≥5%)
  • Tolerances as low as ±2.0% over the resistance range of 10Ω up to 10MΩ
  • TCR as low as ±50 ppm/°C over the resistance range of 10Ω to 10MΩ
  • Operating temperature from -55°C up to +300°C
  • Non-magnetic
  • PtAg (platinum silver) terminations for conductive gluing and soldering
  • No organics

Custom tolerance, TCR and VCR options are available upon request. Please contact us for further information and availability.

Please see the derating curve below for the CHx-HT, CRB-HT and CBW-HT series from 0°C to +300°C:

SRT CHR-HT Derating curve

The final measuring of the resistors takes place at room temperature (independent of TCR).

Please pay attention to the interconnection technology at high temperature applications.

The below table gives full specifications for each resistor model available including the CHR 1206-HT series:

SRT CHR Specifications

1) TCR: in ppm/K; +25°C...+125°C; TCR below standard TCR (highest value): +25°C...+85°C
2) Continuous operating voltage (U_, Ueff): V ≤ √(P*R) or max. working voltage (the lower value)
3) At continuous power dissipation the dimensions of solder-pads have to secure a sufficient heat removal Power Mode: 2W as CHR 2512-HT (P70=2W, P300=0W) and 3W as CHR 4020-HT (P70=3W, P300=0W) respectively. Higher power rating requires an adequate heat removal (e.g. increased solder pads or Copper thicknesses). The user has to guarantee, that solder joints will not run over their load limit. The resistor must not exceed the specified operating temperature range

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SRT CHR 2010-HT Series

The CHR 2010-HT high temperature non-magnetic resistor series from SRT Resistor Technology offers the same features as the CHR 2010 range while allowing for high temperature applications of up to 300°C. The main features comprise of a wide resistance range from 1Ω up to 10MΩ, power rating of 0.5W and voltage rating of 250V trimmed or 900V untrimmed (tolerances ≥5%), all in a small 2010 surface mount package. By utilising SRT's thick film resistor technology, they are able to offer low tolerances down to ±2.0% (between 10Ω and 10MΩ) and TCR as low as ±50 ppm/°C (between +25°C and +85°C). The CHR 2010-HT resistor series contains no organics making them suitable for high vacuum applications and offer PtAg (platinum silver) terminations for conductive gluing and soldering.

  • Surface-mount thick film chip resistor
  • Available in any resistance between 1Ω and 10MΩ
  • 2010 package
  • Power rating of 0.5W at +70°C
  • Voltage rating of 250V trimmed or 900V untrimmed (tolerances ≥5%)
  • Tolerances as low as ±2.0% over the resistance range of 10Ω up to 10MΩ
  • TCR as low as ±50 ppm/°C over the resistance range of 10Ω to 10MΩ
  • Operating temperature from -55°C up to +300°C
  • Non-magnetic
  • PtAg (platinum silver) terminations for conductive gluing and soldering
  • No organics

Custom tolerance, TCR and VCR options are available upon request. Please contact us for further information and availability.

Please see the derating curve below for the CHx-HT, CRB-HT and CBW-HT series from 0°C to +300°C:

SRT CHR-HT Derating curve

The final measuring of the resistors takes place at room temperature (independent of TCR).

Please pay attention to the interconnection technology at high temperature applications.

The below table gives full specifications for each resistor model available including the CHR 2010-HT series:

SRT CHR Specifications

1) TCR: in ppm/K; +25°C...+125°C; TCR below standard TCR (highest value): +25°C...+85°C
2) Continuous operating voltage (U_, Ueff): V ≤ √(P*R) or max. working voltage (the lower value)
3) At continuous power dissipation the dimensions of solder-pads have to secure a sufficient heat removal Power Mode: 2W as CHR 2512-HT (P70=2W, P300=0W) and 3W as CHR 4020-HT (P70=3W, P300=0W) respectively. Higher power rating requires an adequate heat removal (e.g. increased solder pads or Copper thicknesses). The user has to guarantee, that solder joints will not run over their load limit. The resistor must not exceed the specified operating temperature range

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SRT CHR 2512-HT Series

The CHR 2512-HT high temperature non-magnetic resistor series from SRT Resistor Technology offers the same features as the CHR 2512 range while allowing for high temperature applications of up to 300°C. The main features comprise of a wide resistance range from 1Ω up to 10MΩ, power rating of 1W and voltage rating of 300V trimmed or 1200V untrimmed (tolerances ≥5%), all in a small 2512 surface mount package. By utilising SRT's thick film resistor technology, they are able to offer low tolerances down to ±2.0% (between 10Ω and 10MΩ) and TCR as low as ±50 ppm/°C (between +25°C and +85°C). The CHR 2512-HT resistor series contains no organics making them suitable for high vacuum applications and offer PtAg (platinum silver) terminations for conductive gluing and soldering.

  • Surface-mount thick film chip resistor
  • Available in any resistance between 1Ω and 10MΩ
  • 2512 package
  • Power rating of 1W at +70°C
  • Voltage rating of 300V trimmed or 1200V untrimmed (tolerances ≥5%)
  • Tolerances as low as ±2.0% over the resistance range of 10Ω up to 10MΩ
  • TCR as low as ±50 ppm/°C over the resistance range of 10Ω to 10MΩ
  • Operating temperature from -55°C up to +300°C
  • Non-magnetic
  • PtAg (platinum silver) terminations for conductive gluing and soldering
  • No organics

Custom tolerance, TCR and VCR options are available upon request. Please contact us for further information and availability.

Please see the derating curve below for the CHx-HT, CRB-HT and CBW-HT series from 0°C to +300°C:

SRT CHR-HT Derating curve

The final measuring of the resistors takes place at room temperature (independent of TCR).

Please pay attention to the interconnection technology at high temperature applications.

The below table gives full specifications for each resistor model available including the CHR 2512-HT series:

SRT CHR Specifications

1) TCR: in ppm/K; +25°C...+125°C; TCR below standard TCR (highest value): +25°C...+85°C
2) Continuous operating voltage (U_, Ueff): V ≤ √(P*R) or max. working voltage (the lower value)
3) At continuous power dissipation the dimensions of solder-pads have to secure a sufficient heat removal Power Mode: 2W as CHR 2512-HT (P70=2W, P300=0W) and 3W as CHR 4020-HT (P70=3W, P300=0W) respectively. Higher power rating requires an adequate heat removal (e.g. increased solder pads or Copper thicknesses). The user has to guarantee, that solder joints will not run over their load limit. The resistor must not exceed the specified operating temperature range

£0.00 Ex Tax: £0.00