SM4TW102

Series:	SM4
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Resistance:	1 kOhms
Power (Watts):	0.25W, 1/4W
Tolerance:	±10%
Temperature Coefficient:	±100ppm/°C
Number of Turns:	12
Adjustment Type:	Top Adjustment
Resistive Material:	Cermet
Mounting Type:	Surface Mount
Termination Style:	J Lead
Size / Dimension:	Rectangular - 0.193" x 0.146" Face x 0.209" H (4.90mm x 3.70mm x 5.30mm)

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

SM4TW102 Trimmer Potentiometers

Trimmer Potentiometers are devices used to achieve greater precision than standard potentiometers can. When accuracy of a circuit is important, trimmers are employed to make fine adjustments to the components. They are commonly used in potentiometers to adjust the gain or calibration of a circuit. The SM4TW102 Trimmer Potentiometer is a surface-mounting type, 45-turn wire-wound trimmer that is adjustable in the clockwise direction. It features higher rated power of 0.25 W, a maximum external resistance of 10 kΩ, and a maximum rated DC voltage of 50V. It has an operating temperature range of -10℃ to 85℃ and insulation resistance of 100MΩ min.Working PrincipleThe working principle of the SM4TW102 Trimmer Potentiometer is the same as a standard potentiometer. It consists of three terminals: one connecting to the wiper or adjusting side, one connecting to one end of the resistor, and the third connecting to the other end of the resistor. The variable resistance that is created when a voltage is applied between the sliding wiper and the resistive element allows the trimmer to be adjusted. The SM4TW102 Trimmer Potentiometer can be adjusted in the clockwise direction by applying a voltage between its sliding wiper and the resistive element. The adjustment is facilitated by the “live centre” feature, which allows for smooth and accurate changes in resistance. By moving the wiper along the trimmer, it is possible to control the current flow in the circuit.ApplicationsThe SM4TW102 Trimmer Potentiometer is typically used in a variety of applications which require precise control of current flow and resistance. This trimmer can be used to adjust the gain or calibration of a circuit, such as in audio equipment. Other applications include detecting a preset level in a circuit, measuring line-level signals, and for auto-balancing of audio systems.It can also be used as a trim adjusting element to ensure that the current in a circuit is properly balanced. This type of trimmer can be used to regulate the flow of current in motor controllers, electronic carburetors, televisions, and other related equipment, making them suitable for a wide range of industrial applications.ConclusionThe SM4TW102 Trimmer Potentiometer is an efficient and reliable device used to regulate current in various circuit designs. Its relatively high rated power and maximum rated DC voltage, and wide operating temperature range make it an ideal choice for a variety of applications. The “live centre” feature adds accuracy and precision to its adjustments, making it a superior choice for precision control.

The specific data is subject to PDF, and the above content is for reference

Part Number	Manufacturer	Price	Quantity	Description