ST42ETH502

Series:	ST42
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Resistance:	5 kOhms
Power (Watts):	0.25W, 1/4W
Tolerance:	±20%
Temperature Coefficient:	±100ppm/°C
Number of Turns:	1
Adjustment Type:	Side Adjustment
Resistive Material:	Cermet
Mounting Type:	Surface Mount
Termination Style:	Gull Wing
Size / Dimension:	Square - 0.197" L x 0.177" W x 0.224" H (5.00mm x 4.50mm x 5.70mm)

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Introduction

Trimmer potentiometers are small adjustable resistors used in electrical circuits for precise voltage control.The ST42ETH502 trimmer potentiometer is a precision linear taper that provides reliable performance in many applications. This trimmer has a wide range of applications including motor speed control, voltage and current limiting, temperature control and power supply regulation.

Application

The ST42ETH502 trimmer potentiometer is widely used in many industries due to its reliable performance.This trimmer is often used in motor speed controllers, voltage regulators, electronic sensors, and in any application that needs a precise voltage level or resistance. It is also used in power supplies, audio circuits, and analog circuits. The ST42ETH502 trimmer potentiometer is also suitable for use in test and measurement equipment, as it allows the user to accurately adjust voltage levels and resistance values. This trimmer also offers reliable performance and good temperature stability, making it an excellent choice for applications in hostile environments.

Working Principle

The ST42ETH502 trimmer potentiometer has a linear taper that varies the resistance between two terminals in a predictable manner as the knob is adjusted. This trimmer has two metal plates with a circular track around the circumference. This track is made up of two sections, one section is made of a fixed resistance material, the other section is made of a variable resistance material. As the knob is turned, the variable resistance material comes in contact with a wiper that is connected to an input voltage. This causes the input voltage to be divided between the two terminals in a linear fashion, allowing precise control of the output. The ST42ETH502 trimmer provides a range of resistances from 1KΩ to 500KΩ, and operates at temperatures from -55°C to +125°C. The trimmer also offers good temperature stability of ±10ppm/°C, making it an excellent choice for applications in challenging environments.

Conclusion

The ST42ETH502 trimmer potentiometer is a precision linear taper device that provides reliable performance in a wide range of applications. This trimmer is suitable for use in motor speed controllers, audio circuits, temperature control systems, voltage regulators, and other demanding applications. The ST42ETH502 offers a range of resistances from 1KΩ to 500KΩ and good temperature stability of ±10ppm/°C, making it an ideal choice for applications requiring precise voltage level and temperature control.

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