About Potentiometers, Trimmers & Rheostats

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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Hot 3362P-1-502LF


5 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 1.0 Turn Top Adjustment
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Bourns 1988
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USD 0.1824
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P16NP-5K-10-A


Potentiometers
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Vishay 59
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USD 19.2544
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7286R100L.25


100 Ohm 1 Gang Linear Panel Mount Potentiometer None 10.0 Kierros Wirewound 2W Solder Turret
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TT Electronics 59
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USD 21.8875
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502-0104


Res Wirewound POT 2K Ohm 5% 3W 10(Elec)Turn 6.34mm (22.23 X 41.28 X 26.99mm) Solder Lug Panel Mount
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NTE 59
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USD 36.9575
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3610S-1-104


Precision Potentiometers 100K 10Turn Snap In
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Bourns 59
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USD 107.2454
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3006P-1-201


Precision Potentiometer 200Ohms ±10% ±250ppm/℃ 3006P RoHS
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Guosheng 58
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USD 0.1377
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Hot RK09K1130ACM


Potentiometers 20 KOhms 30%
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ALPS 58
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USD 0.4009
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PT15NV15-102A1010-S


Trimmer Resistors - Through Hole 15mm controlsensor trimmr potentiometer
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Amphenol 58
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USD 0.4531
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308N250


250 Ohm 1 Gang Linear Panel Mount Potentiometer None 1.0 Kierros Conductive Plastic 0.5W, 1/2W Solder Hook
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Honeywell 2
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USD 24.2995
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249FGJSPXB25504KA


Vishay 249 F GJ S P X BO50 500K 10% A e3
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Vishay 0
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USD 17.8274
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