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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3250W-1-502


5 kOhms 1W PC Pins Chassis Mount Trimmer Potentiometer Wirewound 25.0 Turn Top Adjustment
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Bourns 113
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AUD 35.8635
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P170NP1-EC15BR50K


Potentiometers
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TT Electronics 112
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AUD 1.5837
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3329P-1-202LF


Trimmer Resistors - Through Hole 1/4"RND 2KOHMS 10% 0.5WATTS
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Bourns 112
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AUD 2.2
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RA6020F-10-20D1-B5K


Slide Potentiometers 60mm TRVL Linear 5K
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Alpha Taiwan 112
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AUD 2.427
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84WR2KLF


2 kOhms 0.25W, 1/4W Surface Mount Surface Mount Trimmer Potentiometer Cermet 12.0 Turn Top Adjustment
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TT Electronics 112
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AUD 2.4794
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3006W-1-103


Trimmer Resistors - Through Hole 10K 3/4" 10% Sealed Mutlti Turn
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Bourns 112
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AUD 2.7413
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Hot 3329W-1-503LF


Trimmer Resistors - Through Hole 1/4"RND 50KOHMS 10% 0.5WATTS
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Bourns 112
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AUD 3.1778
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RJ-4EWS103


Trimmer Resistors - Through Hole 10 KW 4mm rnd. single turn side adj.
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Nidec Copal 112
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AUD 3.5968
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PCW1J-C32-BAB103L


10k Ohm 1 Gang Linear Panel Mount Potentiometer None 1.0 Kierros Conductive Plastic 0.75W, 3/4W PC Pins
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Bourns 112
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AUD 6.019
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PCW1J-B24-AAB103L


Potentiometers 10K 20% Sq 22mm Single Turn
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Bourns 112
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AUD 6.1111
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