TDK Launches Tube Clamp NTC Sensors Suitable for Electric Vehicle Heat Pump Applications
TDK introduces the B58101A0109A* (HP100) series heat pump sensor. This is an NTC (negative temperature coefficient) sensor designed to meet the requirements of automotive applications, which indirectly measures the refrigerant temperature inside the pipe by measuring the surface temperature of the pipe. The new element is suitable for harsh applications and offers a range of features and benefits, such as: clamp-on design, standardized for pipe diameters up to 12.8 mm; operating temperature range from -40 °C to +150 °C; waterproofing up to 500 hours under water; response time of less than 7 seconds; AEC-Q200 compliant with dielectric strength up to 1,250 V AC/10 sec (an important standard for electric vehicles); and a temperature range of 85 °C. (an important standard for electric vehicle applications); low temperature tolerance of ±0.3 K at a nominal temperature of 85 °C ensures high control accuracy.
The clamp-on design makes the sensor very easy to install and measures refrigerant temperature without entering the coolant or refrigerant circuit, minimizing the risk of leaks. In addition, the sensor is robust and typical applications include the measurement of refrigerant temperature in heat pumps, which are an important part of the thermal management of high-voltage batteries in electric vehicles (BEV).
main application
Measuring Coolant and Refrigerant Temperatures on Electric Vehicle (BEV) Heat Pump Tubes
Key Features and Benefits
- Pipe clamp design, easy to install
- Temperature is measured on the pipe surface, minimizing the risk of leaks
- Low temperature tolerance of ±0.3 K at nominal temperature of 85°C ensures high control accuracy
- Dielectric strength up to 1250 V AC/10 sec
- Response time is less than 7 seconds
- Water-resistant up to 500 hours when submerged in water
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