192-303KET-A01

Series:	192
Packaging:	Bulk
Part Status:	Active
Resistance in Ohms @ 25°C:	30k
Resistance Tolerance:	--
B Value Tolerance:	±2%
B0/50:	3800K
B25/50:	--
B25/75:	--
B25/85:	--
B25/100:	--
Operating Temperature:	-60°C ~ 150°C
Length - Lead Wire:	1.50" (38.00mm)
Mounting Type:	Through Hole
Package / Case:	Bead

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Introduction to NTC Thermistors
NTC Thermistors, also known as Negative Temperature Coefficients, are thermistors that exhibit a decrease in their electrical resistance proportional to the amount of the decrease in temperature that it is exposed to. In contrast to PTC (Positive Temperature Coefficient) thermistors that have an increase in their electrical resistance, NTC thermistors are considered to be efficient and reliable temperature sensors that provide accurate and repeatable temperature readings across a wide operating temperature range. NTC thermistors can be categorized according to the size and shape of the device and the type of sensor material that is used.
192-303KET-A01 application field and working principle
The 192-303KET-A01 is a small, surface mount, NTC thermistor device. It is designed to monitor temperatures up to 250°C and is commonly used in a number of applications such as automotive, industrial, medical, and electronic instrumentation. This thermistor device is used in high temperature applications that require precise temperature readings. It is constructed from a ceramic-clad alloy. Its sensing element is made of nickel-alloy, which is an excellent temperature conductor. This device has a square shape, which helps maintain constant thermal contact with the application surface. In other words, it has a low thermal resistance.The working principle of the 192-303KET-A01 thermistor device is based on the fact that its electrical resistance decreases as the temperature increases. As the temperature rises above a predetermined threshold, the electrical current passing through the device decreases and the voltage across the device increases. This change in resistance is measured and then converted to a temperature reading. The accuracy and repeatability of this thermistor device is dependent upon its resistive element and its ability to maintain reliable contact with the application surface.
Conclusion
The 192-303KET-A01 is a reliable and accurate NTC thermistor device that is commonly used to monitor temperatures up to 250°C. It is constructed from ceramic-clad alloy and its sensing element is made of nickel-alloy. This device works on the principle that its resistance decreases as the temperature increases, resulting in a change in voltage across the device. This change in voltage is then converted to a temperature reading, making the device an efficient and reliable temperature sensor.

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