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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3352P-1-504


Trimmer Resistors - Through Hole 3/8"RND 500KOHMS 20% 0.5WATTS
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Bourns 386
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AUD 4.3056
Multiples of: 1

91U1A-T22-A15L


Bourns Potentiometers 10K 10% 58" SQ ST
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Bourns 385
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AUD 7.0269
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PT15-L-V-504(500K)


±20% 250mW 500kΩ Plugin Variable Resistors/Potentiometers ROHS
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Guosheng 383
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AUD 0.2094
Multiples of: 5

Hot T73YU103KT20


Trimmer Resistors - Through Hole 1/4"SQ V/ADJ 10K
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Vishay 383
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AUD 1.1755
Multiples of: 1

T73YE202KT20


Trimmer Resistors - Through Hole 1/4"SQ V/ADJ 2K
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Vishay 383
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AUD 1.7481
Multiples of: 1

3266Z-1-203LF


20 kOhms 0.25W, 1/4W PC Pins Through Hole Trimmer Potentiometer Cermet 12.0 Turn Side Adjustment
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Bourns 382
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AUD 2.7746
Multiples of: 1

3852A-282-501AL


Potentiometers 500ohm 3/4" Single Turn
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Bourns 380
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AUD 13.1343
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7286R5KL.25


BI Technologies TT Electronics Precision Potentiometers 78" 5K OHM 10 TURN WIREWOUND
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TT Electronics 375
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AUD 34.4776
Multiples of: 1

PDB182-K420K-104C


Potentiometers PANEL CONTROL - 17MM-ST-CARBON
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Bourns 364
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AUD 1.8224
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3266P-1-502LF


5 kOhms 0.25W, 1/4W PC Pins Through Hole Trimmer Potentiometer Cermet 12.0 Turn Side Adjustment
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Bourns 33
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AUD 2.7746
Multiples of: 1

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