TRS™ and OHD™ Thermal Sensors

KEMET’s TRS and OHD thermal sensors are used to monitor temperature and maintain stable operation

Image of KEMET TRS™ and OHD™ Thermal SensorsThermal sensors are used in a variety of applications and play an important role in maintaining stable operation in electronics by monitoring temperature. KEMET's TRS sensors are thermal reed switches and its OHD series are well-suited for thermal problem countermeasures and safety standard conformity. The unique proprietary design of both sensors features a magnet and temperature-sensing soft ferromagnetic substance called Thermorite®. The material's magnetic flux density decreases as the temperature increases turning it into a paramagnetic substance at the Curie temperature. These products have also been attested by the International Relay Association.

Which Thermal Sensor to Choose?

TRS Thermal Reed Switch

The TRS thermal reed switch is a highly reliable, precise, temperature-sensitive switch ideal for energy conservation. This switch is offered in a variety of shape/mounting types from axial, wire harness, case, molded, and screw mounting to cover any application requiring temperature monitoring.

OHD Thermal Guard

Kemet's OHD thermal guard is developed for thermal problem countermeasures and safety standard conformity, which are becoming increasingly important for electronic devices.

TRS Thermal Reed Switch Benefits
  • High reliability for on/off operations
  • High-speed response
  • Long operational life
  • Excellent environmental durability
  • Extremely simple circuit design
  • Compact, light, and easy-to-handle
  • Dust-, explosion-, and corrosion-proof
  • Wide range of operating temperatures available from -10°C to +130°C (+80°C to +120°C / TRS-P series)
  • Excellent temperature accuracy of ±2.5°C
  • UL and CSA approved for TRS5xxxBLRU 100 V
  • UL approved for TRS5xxxBLRVU 200 V
  • RoHS/REACH compliant
TRS Thermal Reed Switch Applications
  • Temperature detection and overheat monitoring of electric appliances
  • Heat-retention heater control for rice cookers
  • Defrost for air conditioners and vending machines
  • Radiator water temperature detection for automotive, industrial and agricultural electrical fan control for engines
  • Roll heater temperature control for copying machines
  • Radiator water temperature detection for automotive electrical fan control
OHD Thermal Guard Benefits
  • High reliability for on/off operations
  • High-speed response
  • Long operational life
  • Excellent environmental durability
  • Extremely simple circuit design
  • Compact, light, and easy-to-handle
  • Dust-, explosion-, and corrosion-proof
  • Wide range of operating temperatures available in 5°C increments from +30°C to +130°C
  • UL, CSA and TÜV approved
  • RoHS/REACH compliant
  • Compatibility with extremely low (0.1 mW or lower) signals to high power (6 W) levels 
OHD Thermal Guard Applications
  • Atmospheric temperature detection and overheating monitoring of power transistors
  • Power modules
  • Room heaters
  • Hot gas heaters
  • PPCs
  • Amplifiers
  • Motors
  • HDDs
  • FDDs

TRS Series Thermal Sensors

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
THERMOSTAT 30DEG C SPST-NC AXIALM-TRS5-30BTHERMOSTAT 30DEG C SPST-NC AXIAL0 - ImmediateSee Page for PricingView Details
THERMOSTAT 40DEG C SPST-NC AXIALM-TRS5-40BTHERMOSTAT 40DEG C SPST-NC AXIAL0 - ImmediateSee Page for PricingView Details
THERMOSTAT 90DEG C SPST-NC AXIALM-TRS5-90BTHERMOSTAT 90DEG C SPST-NC AXIAL0 - ImmediateSee Page for PricingView Details
THERMOSTAT 60DEG C SPST-NC AXIALM-TRS5-60BTHERMOSTAT 60DEG C SPST-NC AXIAL51 - Immediate$50.94View Details
THERMOSTAT 0DEG C SPST-NC AXIALM-TRS5-0BTHERMOSTAT 0DEG C SPST-NC AXIAL751 - Immediate$50.94View Details

TRS Series Industrial Thermal Sensors

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
THERMOSTAT 20DEG C MODULE WIRETRS1-20MLR00VTHERMOSTAT 20DEG C MODULE WIRE0 - Immediate$72.70View Details
THERMOSTAT 20DEG C MODULE WIRETRS5-20BLR00VTHERMOSTAT 20DEG C MODULE WIRE494 - Immediate$58.18View Details
THERMOSTAT 60DEG C AXIAL WIRETRS3-60MCR01THERMOSTAT 60DEG C AXIAL WIRE0 - Immediate$66.50View Details
THERMOSTAT 10DEG C MODULE WIRETRS5-10BCR01VTHERMOSTAT 10DEG C MODULE WIRE0 - Immediate$67.39View Details
THERMOSTAT 60DEG C MODULE WIRETRS1-60MLR00VTHERMOSTAT 60DEG C MODULE WIRE94 - Immediate$72.70View Details

TRS Series Screw Type PT1/8 Threading Thermal Sensors

ImageManufacturer Part NumberDescriptionSwitching TemperatureReset TemperatureAvailable QuantityPriceView Details
TRS-, TEMPERATURE SENSORS, 85C,TRS1-85BPR001TRS-, TEMPERATURE SENSORS, 85C,185°F (85°C)-0 - Immediate$202.30View Details
TRS-, TEMPERATURE SENSORS, 90C,TRS1-90BPR001TRS-, TEMPERATURE SENSORS, 90C,194°F (90°C)-0 - Immediate$202.30View Details
TRS-, TEMPERATURE SENSORS, 80C,TRS1-80BPR001TRS-, TEMPERATURE SENSORS, 80C,176°F (80°C)-0 - Immediate$154.71View Details
TRS-, TEMPERATURE SENSORS, 85C,TRS1-85MPR001TRS-, TEMPERATURE SENSORS, 85C,185°F (85°C)-0 - Immediate$154.71View Details
TRS-, TEMPERATURE SENSORS, 105C,TRS1-105MPR001TRS-, TEMPERATURE SENSORS, 105C,221°F (105°C)-0 - Immediate$202.30View Details

TRS Series Screw Type PT3/8 Threading Thermal Sensors

ImageManufacturer Part NumberDescriptionSwitching TemperatureReset TemperatureAvailable QuantityPriceView Details
TRS-, TEMPERATURE SENSORS, 100C,TRS1-100BPR002TRS-, TEMPERATURE SENSORS, 100C,212°F (100°C)-0 - Immediate$162.17View Details
TRS-, TEMPERATURE SENSORS, 80C,TRS1-80BPR002TRS-, TEMPERATURE SENSORS, 80C,176°F (80°C)-0 - Immediate$202.30View Details
TRS-, TEMPERATURE SENSORS, 120C,TRS1-120MPR002TRS-, TEMPERATURE SENSORS, 120C,248°F (120°C)-0 - Immediate$202.30View Details
TRS-, TEMPERATURE SENSORS, 95C,TRS1-95MPR002TRS-, TEMPERATURE SENSORS, 95C,203°F (95°C)-25 - Immediate$202.30View Details
TRS-, TEMPERATURE SENSORS, 85C,TRS1-85BPR002TRS-, TEMPERATURE SENSORS, 85C,185°F (85°C)-0 - Immediate$202.30View Details

OHD Series Thermal Sensors

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
THERMOSTAT 110DEG C SPST-NC MODOHD5R-110BTHERMOSTAT 110DEG C SPST-NC MOD264 - Immediate$44.10View Details
THERMOSTAT 75DEG C SPST-NO AXIALOHD1-75MTHERMOSTAT 75DEG C SPST-NO AXIAL0 - Immediate$38.08View Details
THERMOSTAT 40DEG C SPST-NO AXIALOHD1-40MTHERMOSTAT 40DEG C SPST-NO AXIAL315 - Immediate$38.08View Details
THERMOSTAT 55DEG C SPST-NC AXIALOHD1-55BTHERMOSTAT 55DEG C SPST-NC AXIAL102 - Immediate$35.07View Details
THERMOSTAT 75DEG C SPST-NC AXIALOHD1-75BTHERMOSTAT 75DEG C SPST-NC AXIAL237 - Immediate$35.07View Details

OHD Series Industrial Thermal Sensors

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
THERMOSTAT 30DEG C SPST-NC MODULOHD3-30BTHERMOSTAT 30DEG C SPST-NC MODUL979 - Immediate$33.92View Details
THERMOSTAT 60DEG C SPST-NO MODULOHD3-60MTHERMOSTAT 60DEG C SPST-NO MODUL1159 - Immediate$42.18View Details
THERMOSTAT 50DEG C SPST-NO MODULOHD3-50MTHERMOSTAT 50DEG C SPST-NO MODUL361 - Immediate$42.18View Details
THERMOSTAT 80DEG C SPST-NC MODULOHD3-80BTHERMOSTAT 80DEG C SPST-NC MODUL436 - Immediate$31.94View Details
THERMOSTAT 95DEG C SPST-NO MODULOHD3-95MTHERMOSTAT 95DEG C SPST-NO MODUL748 - Immediate$42.18View Details

Engineering Kit

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
16 PIECES THERMAL SENSORS KITTXS ENG KIT 0216 PIECES THERMAL SENSORS KIT4 - Immediate$1,062.59View Details
Updated: 2022-10-18
Published: 2016-02-04