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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T93XB502KT20


Trimmer Resistors - Through Hole 3/8" SQ H/ADJ 5K
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Vishay 734
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AUD 1.6024
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PT10MV10-502A2020-S


Trimmer Resistors - Through Hole 5Kohms 10mm Rnd Top adj Steel Lead
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Amphenol 355
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AUD 0.6009
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PTA6043-2010CIA203


Bourns Slide Potentiometers 20K AUDIO
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Bourns 355
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AUD 1.6746
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66WR20KLF


Trimmer Resistors - Through Hole 9.53MM 3/8" 25-TURN SEALED
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TT Electronics 355
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AUD 2.8075
Multiples of: 1

3224G-1-205E


2 MOhms 0.25W, 1/4W Gull Wing Surface Mount Trimmer Potentiometer Cermet 12.0 Turn Side Adjustment
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Bourns 355
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AUD 3.8667
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270X232A102B1A1


Potentiometers 1K Ohm 20% lug left 1" Shft Len .125 dia
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CTS 355
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AUD 4.1045
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3362H-1-501


Trimmer Resistors - Through Hole 1/4IN SQ 500 OHM 10% 0.5WATTS
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Bourns 355
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AUD 1.9373
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RK0971110D88


ALPS Potentiometers Flat 20mm 10k
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ALPS 331
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AUD 2.2233
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3266W-1-202LF


Trimmer Resistors - Through Hole 1/4" 2Kohms 10% SQ W/Standoff Sealed
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Bourns 223
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AUD 1.8229
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T67W-20K


Potentiometer: mounting; multiturn; 20kO; 250mW; ±10%; linear
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SR Passives 0
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AUD 0.434
Multiples of: 1

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