SRT CHS 0402-HT Series

SRT CHS 0402-HT Series

The CHS 0402-HT high temperature, high ohmic non-magnetic resistor series from SRT Resistor Technology offers the same features as the CHS 0402 range while allowing for high temperature applications of up to 300°C. The main features comprise of a high resistance range from 10MΩ up to 100GΩ, power rating of 0.05W and voltage rating of 30V trimmed or 60V untrimmed (tolerances ≥5.0%), all in a small 0402 surface mount package. By utilising SRT's thick film resistor technology, these chip resistors are able to offer tolerances down to ±5.0% (between 10MΩ and 1GΩ), TCR as low as ±50 ppm/°C and a VCR as low as ±500 ppm/V (between 10MΩ and 100MΩ). The CHS 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.

  • High temperature surface-mount thick film chip resistor
  • Available in any resistance between 10MΩ and 100GΩ
  • 0402 package
  • Power rating of 0.05W at +70°C
  • Voltage rating of 30V trimmed or 60V untrimmed (tolerances ≥5.0%)
  • Tolerances as low as ±5.0% over the resistance range of 10MΩ up to 1GΩ
  • TCR as low as ±50 ppm/°C over the resistance range of 10MΩ to 100MΩ
  • VCR as low as ±500 ppm/V (between 10MΩ 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 CHS-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.

Please note, the tolerance for the CHS 0402-HT series starts from ±5%, whereas the below table gives the full specifications of the standard CHS series:

SRT CHS Specifications

1) At continuous power dissipation the dimensions of solder-pads have to secure a sufficient heat removal
2) Continuous operating voltage (U_, Ueff): V ≤ √(P*R) or max. working voltage (the lower value)
3) TCR: in ppm/K; +25°C...+125°C; TCR lower than standard TCR (highest value) or value >100G: +25°C...+85°C
4) VCR: typical values, all negative, not for all TCR values available

Specifications
Additional Features
  • High temperature, High ohmic surface-mount thick film chip resistor
  • Operating temperature range -55°C to 300°C
  • 0402 package size
  • Voltage rating of 30V trimmed or 60V untrimmed (tolerances ≥5.0%)
  • No organics
  • PtAg (platinum silver) terminations for conductive gluing and soldering
  • Non-magnetic
  • VCR as low as ±500 ppm/V (between 10MΩ up to 100MΩ)
Maximum Power Rating 0.05W (at +70°C)
Maximum Resistance 100GΩ
Minimum Resistance 10MΩ
TCR 10MΩ up to 100MΩ
  • ±50 ppm/°C
  • ±100 ppm/°C
100MΩ up to 500MΩ
  • ±100 ppm/°C
  • ±250 ppm/°C
500MΩ up to 1GΩ
  • ±250 ppm/°C
  • ±500 ppm/°C
1GΩ up to 10GΩ
  • ±1000 ppm/°C
  • ±2000 ppm/°C
10GΩ up to 100GΩ
  • ±2000 ppm/°C
  • ±3000 ppm/°C
Tolerance 10MΩ up to 1GΩ
  • ±5.0%
  • ±10.0%
  • ±20.0%
1GΩ up to 100GΩ
  • ±10.0%
  • ±20.0%
  • ±30.0%

We are pleased to provide you with a range of additional content including videos, product datasheets, case studies, white papers and application notes for your reference. Please see below for the latest content available:

 

 

DOCUMENTATION
PDF Document SRT high temperature CHx-HT, CRB-HT and CBW-HT series SMD chip resistor datasheet
PDF Document SRT standard CHS high ohmic SMD chip resistor datasheet

 

 

 

This product is available compliant to the RoHS EU directive 2011/65/EU, however, the following exemptions according to the RoHS annex are applicable:

  • No. 7(a) - 'Lead in high melting temperature type solders (i.e. lead-based alloys containing 85% by weight or more lead)' used in leaded resistors
  • No. 7(c)-I - 'Electrical and electronic components containing lead in glass or ceramic...or in a glass or ceramic matrix compound' used in chip resistors and leaded thick film resistors
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  • Product Code: SRT CHS 0402-HT Series
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