SM-3TA102

Series:	SM3
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Resistance:	1 kOhms
Power (Watts):	0.125W, 1/8W
Tolerance:	±20%
Temperature Coefficient:	±100ppm/°C
Number of Turns:	11
Adjustment Type:	Side Adjustment
Resistive Material:	Cermet
Mounting Type:	Surface Mount
Termination Style:	J Lead
Size / Dimension:	Square - 0.154" x 0.154" Face x 0.134" H (3.90mm x 3.90mm x 3.40mm)

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Trimmer Potentiometers

Trimmer potentiometers, also commonly referred to as trimmer pots, are adjustable resistors used to fine-tune circuits. In other words, trimmer potentiometers are used to make small, precise adjustments to the circuit that cannot be made with standard fixed resistors. This article will explore the application field and working principle of the SM-3TA102 trimmer potentiometer from the Sumida Corporation.

Application Field

Trimmable potentiometers are commonly used to adjust amplitude, phase, frequency, or any other parameter that requires a fine-scale adjustment. For example, for an amplifier, trimmable potentiometers can be used to adjust the gain. This type of potentiometer can also be used to adjust the resistance of a circuit, and thus the current through a component, as well as for adjusting the voltage of a circuit.The SM-3TA102 trimmer potentiometer from Sumida offers multiple advantages when compared to other types of trimmer pots. For example, this trimmer pot features a high-frequency microwave design that is capable of operating up to 10GHz (Gigahertz). Additionally, it has a lower profile size than traditional trimmer pots, and yet still provides high-accuracy control of the resistance. This makes for a versatile trimmer pot that can be used in a variety of applications, from consumer electronics to high-tech military and aerospace systems.

Working Principal

Trimmer potentiometers are variable resistors, meaning that the resistance can be adjusted by changing the position of the adjustment control. This is achieved by turning the adjustment knob clockwise or counter-clockwise to increase or decrease the resistance. This type of potentiometer is most often used to make small adjustments to the current or voltage in a circuit.The SM-3TA102 trimmer potentiometer from Sumida features a high-accuracy, low-profile design that offers finely adjustable resistance. The resistance range is from 0-1 kohm (kilo-ohm). The adjustment knob has a one-turn design and the potentiometer features a shaft lock that prevents the resistance setting from being changed unintentionally.The SM-3TA102 trimmer potentiometer is also designed to be highly reliable with a wide temperature range. It can operate at temperatures ranging from -20°C to +85°C and has a dielectric strength of 800V (Volts). This makes it an ideal choice for use in numerous appliactions.

Conclusion

Trimmer potentiometers are indispensable tools for making precise adjustments to any circuit. The SM-3TA102 trimmer potentiometer offers many advantages over other types of trimmer pots, including a lower-profile size, high-frequency design, and wide temperature range. This makes it an ideal choice for anything from consumer electronics to military and aerospace systems. Thanks to its highly reliable design, the SM-3TA102 trimmer potentiometer is sure to provide accurate and precise adjustments to any circuit.

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