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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RA6020F-10-20D1-B100K


Slide Potentiometers 60mm Linear 100K
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Alpha Taiwan 2609
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AUD 2.1843
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T73YB102KT20


Trimmer Resistors - Through Hole 1/4"SQ V/ADJ 1K
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Vishay 670
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AUD 1.5558
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72PMR1KLF


1 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 1.0 Turn Top Adjustment
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TT Electronics 669
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AUD 1.3687
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3296W-1-103ALF


Trimmer Resistors - Through Hole 3/8" 10Kohms Sealed Vertical Adjust
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Bourns 669
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AUD 2.3592
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RA2045F-20A-15LC-B50K-C


Slide Potentiometers 20mm TRVL LINEAR 50K AMBER LED PC MOUNT
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Alpha Taiwan 669
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AUD 3.1923
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89PHR1KLF


Trimmer Resistors - Through Hole 34" Rect 1K 10% 20-turn
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TT Electronics 669
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AUD 3.7847
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PTV111-4420A-B105


Bourns Potentiometers 1M LINEAR 20%
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Bourns 668
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AUD 1.1788
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RV16AF-10-15K-C500K-3


Potentiometers Rev Audio 500K Knurled Solder Lugs
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Alpha Taiwan 666
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AUD 1.038
Multiples of: 1

3224X-1-102E


1 kOhms 0.25W, 1/4W Gull Wing Surface Mount Trimmer Potentiometer Cermet 12.0 Turn Top Adjustment
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Bourns 666
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AUD 3.0056
Multiples of: 1

3006P-1-504LF


Trimmer Resistors - Through Hole 500K 3/4" 10% Sealed Multi Turn
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Bourns 74
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AUD 1.2921
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