SM-3W101

Series:	SM3
Packaging:	Bulk
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Resistance:	100 Ohms
Power (Watts):	0.125W, 1/8W
Tolerance:	±20%
Temperature Coefficient:	±100ppm/°C
Number of Turns:	11
Adjustment Type:	Top Adjustment
Resistive Material:	Cermet
Mounting Type:	Surface Mount
Termination Style:	J Lead
Size / Dimension:	Rectangular - 0.154" x 0.126" Face x 0.154" H (3.90mm x 3.20mm x 3.90mm)

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Introduction

Trimmer potentiometers are electronic devices that enable the precise adjustment of electrical signals. They are commonly used in all types of applications such as audio, video, automotive, industrial, and healthcare. A trimmer potentiometer, also knows as a variable resistor, can adjust resistance values from zero to a predetermined maximum when adjusted with a screwdriver. SM-3W101 is one of the most popular models of trimmer potentiometer. In this article, we will discuss the application field and working principle of SM-3W101.

Application Field

SM-3W101 is a trimmer potentiometer that is widely used in a variety of functions in numerous devices. It is designed to deliver precise current adjustment in various applications including but not limited to audio systems, video systems, automotive and industrial devices and medical equipments. The device comes with a 3-way terminal that allows it to be connected to a variety of circuit boards and integrated circuits for configuration and monitoring. It has a wide range of adjustment possibilities that makes it a versatile device for many applications.In audio systems, this trimmer potentiometer is used to adjust the level of audio signals in order to achieve a desirable sound. It can also be used to set the sound output of devices like amplifiers.In video systems, it is used for brightness or color control. It is often used in automotive and industrial applications for adjusting the currents in a circuit or controlling the speed of motors. In addition, SM-3W101 is widely used to adjust the pressure of medical equipment and devices like infusion pumps and dialysis machines.

Working Principle

The main element of SM-3W101 is a spiral-shaped potentiometer. It works by connecting different resistive elements in a circuit, which will adjust the voltage or current level in the circuit. When the trimmer is adjusted, the resistance value of the circuit is changed, resulting in an altered current or voltage. In this trimmer, the position of the contact can be adjusted by a screwdriver that will traverse along the resistive element, which is commonly known as a wiper. The connection between the wiper and three terminals of the trimmer (often referred to as “rheostats”) will then adjust the resistance level.

Conclusion

SM-3W101 is one of the most popular and versatile trimmer potentiometers available in the market today. Its wide range of applications makes it highly user-friendly and suitable for a variety of tasks. The 3-way terminal design provides a number of different configuration options. Additionally, its precise adjustment mechanism ensures that the resistance value in a circuit can be accurately changed. These unique features make SM-3W101 an ideal choice for many types of applications.

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