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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.

Pictures Part Number Brand Stock Price Quantity Online Service
3386W-1-501LF 3386W-1-501LF Bourns Inc. 11600 $8.73
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3361S-1-504GLF 3361S-1-504GLF Bourns Inc. 8900 $8.73
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3269W-1-102LF 3269W-1-102LF Bourns Inc. 1600 $11.16
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3314G-2-103E 3314G-2-103E Bourns Inc. 1390 $1.40
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