ERT-J0EP473GM

Series:	Automotive, AEC-Q200, ERTJ
Packaging:	Tape & Reel (TR)
Part Status:	Active
Resistance in Ohms @ 25°C:	47k
Resistance Tolerance:	±2%
B Value Tolerance:	±1%
B0/50:	--
B25/50:	4050K
B25/75:	--
B25/85:	4100K
B25/100:	--
Operating Temperature:	-40°C ~ 150°C
Power - Max:	66mW
Length - Lead Wire:	--
Mounting Type:	Surface Mount
Package / Case:	0402 (1005 Metric)

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Introduction
The ERT-J0EP473GM is a temperature sensor using the NTC thermistor principle. This type of sensor is useful for measuring temperatures in range of -40°C to 200°C. Being a thermistor, it exhibits an impedance that is dependent on the temperature it is exposed to. This can be used to make temperature measurements from the corresponding impedance, as well as to control systems involved in the temperature sensing of industrial and consumer applications.

Technology
The ERT-J0EP473GM is a negative temperature coefficient (NTC) thermistor. This refers to a device whose electrical resistance decreases when the temperature increases. This type of technology is used in a range of different applications that require precise temperature sensing. It works by creating a resistance that is proportional to the temperature. By knowing the relationship between the resistance and temperature, the temperature of the sensor can be accurately measured.

Uses
The ERT-J0EP473GM is used in a wide range of industrial and consumer applications. It is often used in temperature control, such as in thermostats, air conditioners, and ovens. It is also used in medical applications, including measuring body temperature, medical equipment, and regulating ventilation systems. Other uses include the measurement of water temperature in swimming pools and the temperature of engines and transmissions, often in automotive applications. It can also be used in low-temperature applications in laboratories and computing applications.

Design
The ERT-J0EP473GM is designed to be an accurate temperature sensor. It has a very narrow response range, which allows it to be very precise in temperature sensing and control. It is designed to offer a high input impedance and a fast response time, both of which increase the accuracy of the readings. It is small and lightweight, making it ideal for sensing applications where size and weight must be kept to a minimum. It is also designed to be resistant to moisture and vibration, increasing its ability to provide accurate measurements.

Working Principle
The ERT-J0EP473GM works using the principle of NTC thermistors. This means that the electrical resistance of the sensor decreases as the temperature increases. This is useful for sensing temperatures in a wide range, as it offers an output voltage that is proportional to the temperature. This makes it an efficient and accurate temperature sensor. The output signal is proportional to the temperature between -40°C and 200°C, making it useful for applications in this range.

Conclusion
The ERT-J0EP473GM is an NTC thermistor that is widely used for temperature sensing and control in a range of applications. It is designed to provide accurate readings over a range of temperatures, as well as being small, lightweight, and resistant to moisture and vibration. The working principle of the thermistor is based on its electrical resistance changing with the temperature, allowing for an output voltage that is proportional to temperature. This makes the ERT-J0EP473GM an ideal choice for accurate temperature readings.

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