Through-hole Technology (THT)

Through-hole Technology (THT)
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Caddock MV Series

The MV series from Caddock are low resistance power film resistors with a resistance range from 0.1Ω to 50Ω and a maximum operating temperature of +275°C. These resistors have a maximum power rating of up to 10W (MV311 model) and tolerance of ±1.0% (±5.0% and ±10% are also available). Caddock MV low resistance power film resistors combine Caddock's exclusive non-inductive design with many high performance capabilities of Micronox® resistance films to achieve these special advantages. These resistance films have demonstrated outstanding stability when exposed to a high ambient temperature, thermal shock and high power densities.

  • Low resistance high temperature power axial leaded through-hole resistor
  • Full power ratings without derating for non-inductive performance
  • Resistance values available between 0.1Ω and 50Ω
  • TCR below 5Ω ±(200 ppm + 0.00002Ω)/°C (below 5Ω, between -15°C and +105°C), 5Ω and above ±100 ppm/°C (between -15°C and +105°C)
  • Tolerance of ±1.0% (±5% and ±10%are also available)
  • Maximum power rating of up to 10W (MV311 model)
  • Maximum operating temperature +275°C
  • Five sizes and power ratings
  • Non inductive design

This exclusive non-Inductive design provides significant performance improvements in high speed or inductance sensitive electronic circuits, including:

  • High performance power amplifiers
  • High-speed data transmission systems
  • High frequency videoamplifiers
  • Current switching circuits
  • Current sensing circuits

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

Caddock MV series Specifications

£0.00 Ex Tax: £0.00

Caddock SR10 Series

The SR10 series from Caddock are precision current sense resistors, with a resistance range from 0.008Ω to 1Ω and a maximum operating temperature of +150°C. These resistors have a maximum power rating of up to 1W (at 70°C) and tolerance of ±1.0%. The Caddock SR10 resistors offer a non-inductive design, compact footprint which minimises circuit board space, terminals are constructed for Kelvin connections to the circuit board and have the proven performance of Micronox® resistance films to achieve a low cost resistor.

  • Current sense through-hole resistor with Kelvin connections
  • Utilises Caddock's Micronox® resistance film
  • Resistance values available between 0.008Ω and 1Ω
  • TCR 0 to +200 ppm/°C (between 0.008Ω and 0.024Ω), 0 to +150 ppm/°C (from 0.025Ω and 0.08Ω), -50 to +100 ppm/°C (from 0.081Ω and 1Ω)
  • Tolerance of ±1.0%
  • Maximum power rating of up to 1W (at 70°C)
  • Maximum operating temperature +150°C
  • Non-inductive design
  • Compact footprint

This compact construction makes this sense resistor ideal for many current monitoring or control applications.

The below table gives the specifications available for the complete SR resistor series which includes the SR10 resistor:

Caddock SR10 series Specifications

£0.00 Ex Tax: £0.00

Caddock SR20 Series

The SR20 series from Caddock are precision current sense resistors, with a resistance range from 0.005Ω to 1Ω and a maximum operating temperature of +150°C. These resistors have a maximum power rating of up to 2W (at 70°C) and tolerance of ±1.0%. The Caddock SR20 resistors offer a non-inductive design, compact footprint which minimises circuit board space, terminals are constructed for Kelvin connections to the circuit board and have the proven performance of Micronox® resistance films to achieve a low cost resistor.

  • Current sense through-hole resistor with Kelvin connections
  • Utilises Caddock's Micronox® resistance film
  • Resistance values available between 0.005Ω and 1Ω
  • TCR 0 to +300 ppm/°C (between 0.005Ω and 0.007Ω) 0 to +200 ppm/°C (between 0.008Ω and 0.024Ω), 0 to +150 ppm/°C (from 0.025Ω and 0.08Ω), -50 to +100 ppm/°C (from 0.081Ω and 1Ω)
  • Tolerance of ±1.0%
  • Maximum power rating of up to 2W (at 70°C)
  • Maximum operating temperature +150°C
  • Non-inductive design
  • Compact footprint

This compact construction makes this sense resistor ideal for many current monitoring or control applications.

The below table gives the specifications available for the complete SR resistor series which includes the SR20 resistor:

Caddock SR10 series Specifications

£0.00 Ex Tax: £0.00

Isabellenhütte A-H1 Series

The A-H1 through-hole resistor series from Isabellenhütte offers 4-terminal connection technology for current sensing applications. Designed for easy heat sink mounting, the Kelvin connections on this resistor allow high precision measurements even with low resistance values range from 0.001Ω to 100Ω available. The A-H1 series from Isabellenhütte has low inductance and has high pulse power handling capabilities.

  • 4-terminal through-hole resistor
  • Designed for easy heat sink mounting
  • Select values between the resistance range 0.001Ω to 100Ω available
  • Power rating 10W on a suitable heat sink (3W power rating in free air)
  • Maximum permanent current of 81A (constant)
  • Applicable temperature range from -55°C to +140°C
  • Tolerance options available ±0.1% and ±1% (depending on the resistance values required)
  • TCR of <30 ppm/K (between +20°C and +60°C)
  • Low self-heating

Typical applications for the A-H1 series include:

  • Measurement equipment
  • Reference resistors in laboratories
  • Current sources
  • Laboratory power supplies

The below table gives an overview of the specifications for the Isabellenhütte A-H1 series:

Isabellenhütte A-H1 Specifications

* Please contact us for available parts or see the ordering information tab

£0.00 Ex Tax: £0.00

Isabellenhütte A-H2 Series

The A-H2 through-hole resistor series from Isabellenhütte offers 4-terminal connection technology for current sensing applications. Designed for easy heat sink mounting, the Kelvin connections on this resistor allow high precision measurements even with low resistance values range from 0.001Ω to 100Ω available. The A-H2 series from Isabellenhütte has low inductance and has high pulse power handling capabilities.

  • 4-terminal through-hole resistor
  • Designed for easy heat sink mounting
  • Selective resistance range between 0.001Ω and 100Ω available
  • Power rating 10W on a suitable heat sink (3W power rating in free air)
  • Maximum permanent current of 81A (constant)
  • Applicable temperature range from -55°C to +140°C
  • Tolerance options available±0.1% and ±1% (depending on the resistance values required)
  • TCR of <30 ppm/K (between +20°C and +60°C)
  • Low self-heating

Typical applications for the A-H2 series include:

  • Measurement equipment
  • Reference resistors in laboratories
  • Current sources
  • Laboratory power supplies

The below table gives an overview of the specifications for the Isabellenhütte A-H2 series:

Isabellenhütte A-H2 Specifications

* Please contact us for available parts or see the ordering information tab

£0.00 Ex Tax: £0.00

Isabellenhütte AZ-H1 Series

The AZ-H1 through-hole resistor series from Isabellenhütte offers 4-terminal connection technology for current sensing applications with very low TCR. Designed for easy heat sink mounting, the Kelvin connections on this resistor allow high precision measurements even with low resistance range of 0.002Ω to 1Ω. The AZ-H1 series from Isabellenhütte has low inductance and has high pulse power handling capabilities.

  • 4-terminal through-hole resistor
  • Designed for easy heat sink mounting
  • Selective resistance range between 0.002Ω and 1Ω available
  • Power rating 10W on a suitable heat sink (3W power rating in free air)
  • Maximum permanent current of 70A (0.002Ω)
  • Applicable temperature range from -55°C to +140°C
  • Tolerance options available ±0.1% and ±1% (depending on the resistance values required)
  • TCR of <3 ppm/K (between +20°C and +60°C) and TCR of 10 ppm/K (between +20°C and +60°C)
  • Low self-heating

Typical applications for the AZ-H1 series include:

  • Measurement equipment
  • Reference resistors in laboratories
  • Current sources
  • Laboratory power supplies

The below table gives an overview of the specifications for the Isabellenhütte AZ-H1 series:

Isabellenhütte AZ-H1 Specifications

* Please contact us for available parts or see the ordering information tab

£0.00 Ex Tax: £0.00

Isabellenhütte AZ-H2 Series

The AZ-H2 through-hole resistor series from Isabellenhütte offers 4-terminal connection technology for current sensing applications with very low TCR. Designed for easy heat sink mounting, the Kelvin connections on this resistor allow high precision measurements even with low resistance range of 0.002Ω to 1Ω. The AZ-H2 series from Isabellenhütte has low inductance and has high pulse power handling capabilities.

  • 4-terminal through-hole resistor
  • Designed for easy heat sink mounting
  • Selective resistance range 0.002Ω to 1Ω available
  • Power rating 10W on a suitable heat sink (3W power rating in free air)
  • Maximum permanent current of 70A (0.002Ω)
  • Applicable temperature range from -55°C to +140°C
  • Tolerance options available ±0.1% and ±1% (depending on the resistance values required)
  • TCR of <3 ppm/K (between +20°C and +60°C) and TCR of 10 ppm/K (between +20°C and +60°C)
  • Low self-heating

Typical applications for the AZ-H2 series include:

  • Measurement equipment
  • Reference resistors in laboratories
  • Current sources
  • Laboratory power supplies

The below table gives an overview of the specifications for the Isabellenhütte AZ-H2 series:

Isabellenhütte AZ-H2 Specifications

* Please contact us for available parts or see the ordering information tab

£0.00 Ex Tax: £0.00

Isabellenhütte BVH Series

The BVH 4-terminal through-hole precision resistor series from Isabellenhütte is a chip size of 3820 with solid copper connections. The resistance values available are 0.0003Ω, 0.0005Ω, 0.001Ω and 0.002Ω with a TCR of <100 ppm/K (0.001Ω and 0.005Ω) and <300 ppm/K (0.0003Ω and 0.0005Ω). The BVH series from Isabellenhütte offers a continuous current up to 100A (0.0003Ω), with excellent long term stability and AEC-Q200 qualified.

  • 4-Terminal through-hole precision resistor with 3820 chip size
  • Continuous current load up to 100A (0.0003Ω)
  • Resistance values available 0.0003Ω, 0.0005Ω, 0.001Ω and 0.002Ω
  • TCR value <100 ppm/K for values 0.001Ω and 0.005Ω and <300 ppm/K for values 0.0003Ω and 0.0005Ω (between +20°C and +60°C)
  • Applicable temperature range from -55°C to +170°C
  • Tolerance ±3.0% and ±5.0% (depending on the resistance value required)
  • Excellent long term stability
  • Permanent power rating 5W
  • Maximum solder temperature up to 350°C for 30 seconds
  • AEC-Q200 qualified

Typical applications for the BVH series include:

  • High current applications for the automotive market
  • Frequency converters, power modules and power tools

The below table gives an overview of the specifications for the Isabellenhütte BVH series:

Isabellenhütte BVH Specifications

£0.00 Ex Tax: £0.00

Isabellenhütte PBH Series

The PBH through-hole resistor series from Isabellenhütte offers 2-terminal connection technology for current sensing applications. Designed for easy heat sink mounting, this resistor allows high precision measurements even with low resistance value range from 0.002Ω to 100Ω. The PBH series from Isabellenhütte has low inductance and has high pulse power handling capabilities.

  • 2-terminal through-hole resistor
  • Designed for easy heat sink mounting
  • Selective resistance range between 0.002Ω and 100Ω available
  • Power rating 10W on a suitable heat sink (3W power rating in free air)
  • Constant current of 70A (0.002Ω)
  • TCR of <50 ppm/K (between +20°C and +60°C)
  • Applicable temperature range from -55°C to +125°C
  • Tolerance options available ±0.5%, ±1% and ±5% (depending on the resistance values required)
  • Space saving design similar to TO247
  • Excellent long term stability

Typical applications for the SMT series include:

  • Power Modules
  • Frequency converters
  • Switch mode power supplies

The below table gives an overview of the specifications for the Isabellenhütte PBH series:

Isabellenhütte PBH Specifications

* Please contact us for available parts or see the ordering information tab
** Tolerance 0.5% for values ≥10 mOhm

£0.00 Ex Tax: £0.00

Isabellenhütte PBV Series

The PBV through-hole resistor series from Isabellenhütte offers 4-terminal connection technology for current sensing applications. Designed for easy heat sink mounting, The Kelvin connections on this resistor allow high precision measurements even with very low resistance values range from 0.0005Ω to 1Ω available. The PBV series from Isabellenhütte has a pulse power rating of 2J for 10ms capabilities.

  • 4-terminal through-hole space saving design resistor
  • Designed for easy heat sink mounting
  • Selective resistance range between 0.0005Ω and 1Ω available
  • Power rating 10W on a suitable heat sink (3W power rating in free air)
  • Applicable temperature range from -55°C to +125°C
  • Tolerance options available ±0.5%, ±1% and ±5% (depending on the resistance values required)
  • TCR of <30 ppm/K for values ≥0.010Ω and <75 ppm/K for values <0.010Ω (between +20°C and +60°C)
  • Pulse power rating 2J for 10ms
  • Excellent long term stability

Typical applications for the PBV series include:

  • Power modules
  • Frequency converters
  • Switch power supplies

The below table gives an overview of the specifications for the Isabellenhütte PBV series:

Isabellenhütte PBV Specifications

£0.00 Ex Tax: £0.00

Riedon MSR-1 Series

The MSR-1 resistor series from Riedon uses a bare metal element in an all-welded construction for through-hole circuit board mounting to provide resistance values from 0.005Ω up to 0.1Ω, while also achieving low inductance (<10nH) and a low TCR (±20ppm/°C). The MSR resistor series is available in various sizes, tolerances down to ±1.0% and power ratings up to 5W, with the MSR-1 range offering a power rating of 1W.

  • Bare metal element through-hole resistor
  • All-welded construction
  • Available in select resistance values between 0.005Ω and 0.1Ω
  • Low inductance of <10nH
  • Tolerance options of ±1.0% and ±5.0% available
  • Resistance wire TCR of ±20 ppm/°C
  • Power rating of 1W (at +85°C)
  • Maximum rated operating temperature +85°C
  • Working temperature up to +275°C

The high power MSR resistor series with their low ohmic resistance values make them ideal for current sensing and shunt applications.

By inserting one of these resistors in series with the load current, a small voltage drop will be seen which can be readily measured and used to calculate the current flowing through the resistor.

The MSR series is capable of handling several Amps, even tens of Amps thanks to their low resistances and high power ratings.

The below table gives the full specifications for each resistor model available in the Riedon MSR bare metal element resistor range including the MSR-1 series:

Riedon MSR Specifications

1 Please contact us for other resistance values

£0.00 Ex Tax: £0.00

Riedon MSR-3 Series

The MSR-3 resistor series from Riedon uses a bare metal element in an all-welded construction for through-hole circuit board mounting to provide resistance values from 0.005Ω up to 0.1Ω, while also achieving low inductance (<10nH) and a low TCR (±20ppm/°C). The MSR resistor series is available in various sizes, tolerances down to ±1.0% and power ratings up to 5W, with the MSR-3 range offering a power rating of 3W.

  • Bare metal element through-hole resistor
  • All-welded construction
  • Available in select resistance values between 0.005Ω and 0.1Ω
  • Low inductance of <10nH
  • Tolerance options of ±1.0% and ±5.0% available
  • Resistance wire TCR of ±20 ppm/°C
  • Power rating of 3W (at +85°C)
  • Maximum rated operating temperature +85°C
  • Working temperature up to +275°C

The high power MSR resistor series with their low ohmic resistance values make them ideal for current sensing and shunt applications.

By inserting one of these resistors in series with the load current, a small voltage drop will be seen which can be readily measured and used to calculate the current flowing through the resistor.

The MSR series is capable of handling several Amps, even tens of Amps thanks to their low resistances and high power ratings.

The below table gives the full specifications for each resistor model available in the Riedon MSR bare metal element resistor range including the MSR-3 series:

Riedon MSR Specifications

1 Please contact us for other resistance values

£0.00 Ex Tax: £0.00

Riedon MSR-5 Series

The MSR-5 resistor series from Riedon uses a bare metal element in an all-welded construction for through-hole circuit board mounting to provide resistance values from 0.005Ω up to 0.1Ω, while also achieving low inductance (<10nH) and a low TCR (±20ppm/°C). The MSR resistor series is available in various sizes, tolerances down to ±1.0% and power ratings up to 5W, with the MSR-5 range offering a power rating of 5W.

  • Bare metal element through-hole resistor
  • All-welded construction
  • Available in select resistance values between 0.005Ω and 0.1Ω
  • Low inductance of <10nH
  • Tolerance options of ±1.0% and ±5.0% available
  • Resistance wire TCR of ±20 ppm/°C
  • Power rating of 5W (at +85°C)
  • Maximum rated operating temperature +85°C
  • Working temperature up to +275°C

The high power MSR resistor series with their low ohmic resistance values make them ideal for current sensing and shunt applications.

By inserting one of these resistors in series with the load current, a small voltage drop will be seen which can be readily measured and used to calculate the current flowing through the resistor.

The MSR series is capable of handling several Amps, even tens of Amps thanks to their low resistances and high power ratings.

The below table gives the full specifications for each resistor model available in the Riedon MSR bare metal element resistor range including the MSR-5 series:

Riedon MSR Specifications

1 Please contact us for other resistance values

£0.00 Ex Tax: £0.00