PTFT1206L1500JW

Series:	PTFT
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Resistance @ 25°C:	150 Ohms
Resistance Tolerance:	±5%
Operating Temperature:	-55°C ~ 125°C
Power - Max:	125mW
Mounting Type:	Surface Mount
Package / Case:	1206 (3216 Metric)
Supplier Device Package:	1206

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Temperature Sensors - PTC Thermistors

Temperature sensors measure the temperature of an object or environment and can be used to maintain proper operating conditions or to recognize sudden changes in temperature and alert users when these changes occur. PTC thermistors are a type of temperature sensing device that relies on the electrical resistance of the thermistor changing as the temperature changes. One of the most common models of PTC thermistor is the PTFT1206L1500JW.

Application

PTFT1206L1500JW PTC thermistors are commonly used for three primary applications: over-temperature protection, temperature control, and self-limiting circuits. These thermistors are highly accurate and precise temperature sensors that are capable of detecting small changes in temperature.In applications where over-temperature protection is required, such as in medical or industrial settings, these thermistors can detect if the temperature of an object or environment is rising too high and alert that user, allowing that user to take action before the device overheats and encounters issues.In heating and cooling applications, such as HVAC systems, these thermistors can measure the temperature of the environment and enable precision temperature control. As the temperature rises or falls, the thermistor will adjust the systems temperature accordingly in order to maintain the chosen temperature.Lastly, these thermistors can also be used in circuits that require a self-limiting feature, wherein the device will detect how hot it is getting and automatically limit its activity to stay within the desired temperature range and prevent the device from overheating.

Working Principle

PTFT1206L1500JW PTC thermistors are resistors whose resistance changes with temperature. The resistance changes in a predictable way - as temperature increases, the resistance of the thermistor decreases. This predictable change in resistance allows these thermistors to be used to measure and control temperature.These thermistors are made of two layers of PTC material, a sensitive element and a substrate. The sensitive element is covered in a semiconductor material that causes it to become more resistive as temperature increases. This increase in resistance causes a predictable amount of change in electrical resistance for very small changes in temperature, allowing for accurate temperature measurement.

Conclusion

PTFT1206L1500JW PTC thermistors are highly accurate and precise temperature sensors that are commonly used in applications where over-temperature protection, temperature control, or self-limiting features are required. These devices rely on the electrical resistance of the thermistor changing as the temperature changes in order to measure temperature accurately and precisely.

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