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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RV112BCF-40-25A-A10K


Potentiometers 11mm Audio 10K Dual Unit-Vert PC MT
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Alpha Taiwan 723
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AUD 1.7286
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Hot RK097111080R


ALPS Potentiometers 10 KOhms 30%
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ALPS 723
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AUD 4.1468
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PTV09A-4030U-B204


200k Ohm 1 Gang Linear Through Hole, Snap In Potentiometer None 1.0 Kierros Carbon 0.05W, 1/20W PC Pins, Board Locks
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Bourns 722
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AUD 0.7648
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PDB181-E415P-504A2


Potentiometers PANEL CONTROL 17MM-ST-CARBON
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Bourns 722
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AUD 1.1279
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RV112BF-40-25A-B100K


Potentiometers 11mm Linear 100K Dual Unit-Vert PC MT
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Alpha Taiwan 722
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AUD 1.4492
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RV24AF-10-40R1-B2.5K-LA


Potentiometers Linear 2.5K
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Alpha Taiwan 722
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AUD 1.5365
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PDB241-GTR01-504B0


Bourns Potentiometers 500K 20% KNURLED LINEAR
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Bourns 722
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AUD 3.7365
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3224W-2-105E


Trimmer Resistors - SMD 4MM SQ MT CERMET TRIMMER SMD
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Bourns 722
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AUD 3.8846
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PT6MV-104B2020


Trimmer Resistors - Through Hole
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Amphenol 721
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AUD 0.4933
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PSM01-081A-103B2


Slide Potentiometers 10Kohm 20% 8.2mm PC Terminal
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Bourns 683
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AUD 20.9349
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