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 3352W-1-502LF


5 kOhms 0.5W, 1/2W Through Hole Thumbwheel Potentiometer Side Adjustment
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Bourns 688
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AUD 2.309
Multiples of: 100

PT01-D120D-B104


Precision Potentiometers rotary potentiometer single channel horiz 20mm D-cut linear taper 100K ohm
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Same Sky 687
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AUD 0.6789
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PTV111-3420A-A203


Bourns Potentiometers 20K AUDIO 20%
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Bourns 687
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AUD 1.2286
Multiples of: 1

M64W204KB40


200 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 21.0 Turn Top Adjustment
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Vishay 686
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AUD 2.594
Multiples of: 1

PTL45-15O0-104A3


100 kOhms 0.06W Through Hole Slide Potentiometer Top Adjustment Type
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Bourns 683
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AUD 1.8901
Multiples of: 1

PTL01-15R0-103B1


Slide Potentiometers PANEL CONTROL SLIDE CARBON
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Bourns 668
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AUD 4.8648
Multiples of: 1

RV16A03F-10-15R1-B50K-0030


Potentiometers Linear W/SW 50K
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Alpha Taiwan 636
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AUD 2.2821
Multiples of: 1

3006P-1-101LF


Trimmer Resistors - Through Hole 100ohm 3/4" 10% Sealed Multi Turn
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Bourns 532
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AUD 1.2921
Multiples of: 1

PTB6043-2010BPB103


10 kOhms 0.25W, 1/4W Through Hole Slide Potentiometer Top Adjustment Type
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Bourns 523
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AUD 4.4465
Multiples of: 1

3296Z-1-503LF


50 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 25.0 Turn Side Adjustment
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Bourns 493
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AUD 1.4261
Multiples of: 100

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