Temperature Sensors - Thermostats - Solid State

TMP302DDRLT is a thermostat for applications with a low temperature of –55°C. It is a solid state thermostat that features a NTC thermistor as its temperature sensing element. The TMP302DDRLT has a durable and reliable design, and is suitable for long-term continuous monitoring of temperatures in environments where environmental, mechanical, or electrical stress can cause other thermostats to fail.

Application Field

TMP302DDRLT can be used for a wide range of applications in which temperature must be accurately monitored or controlled. These include medical devices, consumer electronics, HVAC systems, and automotive headlamps. In addition, the TMP302DDRLT can also be used for temperature control in industrial ovens and ovens used for heat treatment.

Working Principle

The working principle of the TMP302DDRLT is based on the principle of a change of resistance with temperature. The thermistor is mounted in an isolated vessel, and its resistance decreases when the temperature rises. When the temperature reaches a predetermined level, the resistance of the thermistor will increase, activating the bimetallic switch. This activates the electrical circuit, which in turn activates the desired signal or alarm.

The TMP302DDRLT also features a built-in test feature. This allows users to verify the accuracy of the device. This both ensures that the device is functioning correctly and that its predetermined temperature setting is accurate. This feature also allows the user to make any necessary microadjustments in order to prevent errors in the thermometer’s reading.

Conclusion

TMP302DDRLT is a solid state thermostat for applications in which temperature must be accurately monitored or controlled. Its built-in test feature allows users to verify the accuracy of the device. The TMP302DDRLT is suitable for a wide range of applications, including medical devices, consumer electronics, HVAC systems, and automotive headlamps.