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Trimmer Potentiometers

Trimmer potentiometers, also known as semi-variable potentiometers, basically use in the circuit that does not need to adjust often, if the voltage in color TV switch power supply adjusts potentiometer. The fine-tuning potentiometer has three pins and usually has an adjustment hole on it. The resistance can be adjusted by inserting a screwdriver into the adjustment hole and rotating it. The fine-tuning potentiometer plays an significant role in the power amplifier circuit, which is mainly used for frequency, amplification gain, determination of partial voltage ratio or reference voltage adjustment.

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3296X-1-503 3296X-1-503 Bourns Inc. 8000 $2.33
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3214J-1-502E 3214J-1-502E Bourns Inc. 1120 $2.20
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