SM31B103

Series:	SM31
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Resistance:	10 kOhms
Power (Watts):	0.125W, 1/8W
Tolerance:	±20%
Temperature Coefficient:	±100ppm/°C
Number of Turns:	5
Adjustment Type:	Side Adjustment
Resistive Material:	Cermet
Mounting Type:	Surface Mount
Termination Style:	Gull Wing
Size / Dimension:	Square - 0.173" L x 0.154" W x 0.134" H (4.40mm x 3.90mm x 3.40mm)

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Introduction

Trimmer potentiometers are electrical components consisting of a resistive element and a wiper. They are used to regulate voltage in circuits, often referred to as adjustable voltage dividers. Trimmer potentiometers are used in many applications where precise voltage regulation is necessary. They are widely used in the electronics, communications, automotive, and aerospace industries. The SM31B103 is one specific type of trimmer potentiometer, and this article will discuss its applications and working principle.

SM31B103 Application

The SM31B103 is a three-terminal, glass-epoxy, trim pot. It is designed for applications that require an adjustable voltage divider. It is commonly used in systems such as voltage-regulating systems, instrumentation, and sensor circuits. In addition, the SM31B103 is often used for its highly-accurate voltage-regulating capabilities.The SM31B103 operates over a wide temperature range and is available in a range of sensitivities. This range of sensitivities allows the developer to configure the SM31B103 to match the system voltage regulation requirements. Furthermore, the SM31B103 has excellent stability and reliability, making it an ideal choice for applications requiring accurate and precise voltage regulation.

SM31B103 Working Principle

The SM31B103 is a three-terminal trimmer potentiometer. This means it consists of three terminals: one power supply terminal, one ground terminal, and one tap terminal. The power supply and ground terminals are used to provide a stable voltage source to the trimmer. The tap terminal is connected to an adjustable resistor which is used to control the output of the trimmer.The tap terminal is connected to a rotary motion device. This device is able to rotate the adjustable resistor, which in turn, adjusts the output of the trimmer. When the adjustable resistor is rotated, the output voltage of the trimmer is adjusted. This is achieved by the combination of the adjustable resistor and the voltage source applied to the power supply and ground terminals.

Conclusion

The SM31B103 is a three-terminal trim potentiometer used for applications needing accurate voltage regulation. It is capable of operating over a wide temperature range and is available in a variety of sensitivities, making it suitable for a range of applications. In addition, the SM31B103 has excellent stability, reliability, and accuracy, making it an ideal choice for applications requiring precise voltage regulation.

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