LC303J2K

Series:	LC
Packaging:	Bulk
Part Status:	Active
Resistance in Ohms @ 25°C:	30k
Resistance Tolerance:	±10%
B Value Tolerance:	--
B0/50:	3892K
B25/50:	--
B25/75:	--
B25/85:	--
B25/100:	--
Operating Temperature:	150°C
Length - Lead Wire:	1.50" (38.00mm)
Mounting Type:	Free Hanging
Package / Case:	Bead, Epoxy

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Temperature Sensors - NTC Thermistors

NTC thermistors, or Negative Temperature Coefficient Thermistors, are a group of electronic temperature sensors widely used in a variety of industrial and scientific applications. They are especially suited to applications where rapid response, small size, and low cost are desirable. The LC303J2K is a NTC thermistor which offers superior performance in a compact, inexpensive package.

The Basic Construction of a NTC Thermistor

A NTC thermistor consists of a cylinder of ceramic material which is embedded with metaloxide particles. These particles create a resistance to an electric current which is dependent on the temperature of their surroundings. The higher the temperature, the lower the resistance. As a result, by measuring the resistance of the thermistor, it is possible to determine the temperature of its surroundings.

The Working Principle Behind the LC303J2K NTC Thermistor

The LC303J2K NTC thermistor works on the same principle as all other NTC thermistors. An electric current is passed through the thermistor, and the resulting voltage is measured. The resistance of the thermistor is then calculated based on the resulting voltage. This resistance is then compared to a set of predetermined values, known as the resistance temperature table, to determine the surrounding temperature.

Applications of the LC303J2K

The LC303J2K is one of the most widely used NTC thermistors because of its performance-to-price ratio. It is often used in a variety of industrial and scientific applications, including:

• Temperature regulation and control
• Protection against overheating in electrical equipment
• Research and development
• Process monitoring and control
• Computer cooling systems
• Industrial ovens and furnaces
• Automotive and aerospace applications
• HVAC systems

The Benefits of Using the LC303J2K

The LC303J2K has many benefits over other NTC thermistors:

• Small, compact size – the LC303J2K is just 4.8mm in length, making it ideal for use in confined spaces and lightweight equipment.
• Superior accuracy – The LC303J2K features an accuracy of ±25°C, making it perfect for applications requiring precise temperature measurement.
• High sensitivity – The LC303J2K features a B25/85 of 3433K, making it highly sensitive to changes in temperatures.
• Robust design – The LC303J2K is constructed to withstand operating temperatures of up to 250°C and is resistant to shock and vibration.
• Low price – The LC303J2K is an inexpensive option for applications requiring a NTC thermistor.

Conclusion

The LC303J2K NTC thermistor is a small, compact, and inexpensive temperature sensor which is suitable for a variety of industrial and scientific applications. It offers superior accuracy, high sensitivity, and robust construction, making it an excellent choice for temperature regulation and control.

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