Potentiometers, Trimmers & Rheostats

A potentiometer, trimmer, and rheostat are all three types of resistors that are adjustable. They are used to control the electric current by varying the resistance in the circuit. A potentiometer is an adjustable three-terminal resistor with a sliding contact (wiper) that moves across a resistive element to change resistance in a circuit. They are used in audio controls, light dimmers, and other applications that require adjustable resistance in the circuit. A trimmer is a miniature version of a potentiometer, and it’s used to make fine adjustments in electronics circuits. It can be used for voltage and current adjustments, and for tuning circuits for maximum performance. A rheostat is an adjustable two-terminal rotor, and it’s used to control the current in a circuit. It’s often used to control the speed of a motor or other electrical device.
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PT10LH01-00037-PT10LH01-503A2020


Trimmer Resistors - Through Hole 50Kohms 10mm Rnd Side adj
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Amphenol 455
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AUD 0.5558
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PDA17-SS20-103BK


Potentiometers 10K 20% 17mm Linear
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Bourns 455
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AUD 1.1362
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PTL30-10G1-103B2


Slide Potentiometers 10Kohms Travel=30mm Center Detent
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Bourns 455
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AUD 1.8716
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ST-32ETG501


Trimmer Resistors - SMD 500 W 3mm SMD single turn J-lead, side adj.
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Nidec Copal 455
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AUD 1.8881
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3352K-1-101LF


Trimmer Resistors - Through Hole 3/8IN RND 100 OHMS 0.5watt 20%
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Bourns 455
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AUD 2.7418
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3214W-2-203E


Trimmer Resistors - SMD 4MM SQ 20KOHMS 10% 5TURN
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Bourns 455
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AUD 3.0646
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PC16DH07CP06504A2020TA


Potentiometers 500Kohms blk Sq 6pin
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Amphenol 455
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AUD 5.8077
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MFP130


Switch Slide Top Slide 0.35A 30VDC 10000Cycles PC Pins Thru-Hole
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Knitter-Switch 452
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AUD 1.237
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PTA1543-2010DPB103


Slide Potentiometers 10MM SHAFT NO DET 15MM STRK SNG LIN
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Bourns 447
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AUD 1.2987
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T93YA253KT20


25 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 23.0 Turn Top Adjustment
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Vishay 432
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AUD 1.6024
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