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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SM-42TW104


100 kOhms 0.25W, 1/4W J Lead Surface Mount Trimmer Potentiometer Cermet 11.0 Turn Top Adjustment
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Nidec Copal 428
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AUD 2.8789
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66WR1KLF


1 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 20.0 Turn Top Adjustment
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TT Electronics 381
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AUD 2.8075
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T93XA500KT20


Trimmer Resistors - Through Hole 3/8" SQ H/ADJ 50
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Vishay 380
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AUD 2.3269
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M63M102KB30T607


Vishay Spectrol Trimmer Resistors - Through Hole 38"SQ 1Kohms 10% Single Turn Cermet
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Vishay 380
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AUD 7.3138
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PT10MV10-223A2020


Trimmer Resistors - Through Hole 22Kohms 10mm Rnd Top adj
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Amphenol 379
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AUD 0.575
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GF063S-B202K


Potentiometer: mounting; single turn; 2kΩ; 500mW; ±20%; linear
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Tocos 379
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AUD 0.5924
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RV24AF-10-15R1-B25K-3LA


Potentiometers Linear 25K
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Alpha Taiwan 374
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AUD 1.3627
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M64W504KB40


Trimmer Resistors - Through Hole 3/8"SQ 500Kohms Multi Turn Cermet
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Vishay 373
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AUD 2.6597
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3314J-1-223E


Bourns Trimmer Resistors - SMD 4mm SQ 22K
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Bourns 370
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AUD 1.2018
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Hot 3313J-1-200E


Trimmer Resistors - SMD 3mm 20 OHM Vertical Adjust
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Bourns 336
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AUD 0.5797
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