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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PDB181-E415F-102B


Potentiometers PANEL CONTROL 17MM-ST-CARBON
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Bourns 855
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AUD 1.0913
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T73YP503KT20


Trimmer Resistors - Through Hole 1/4" SQ V/ADJ 50K
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Vishay 855
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AUD 1.1663
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RV120DF-20-15A-A50K


Potentiometers Audio D-Shaft 50K PC Mount
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Alpha Taiwan 855
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AUD 1.4492
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RV24AF-10-15F-B500_-LA


Potentiometers LINEAR D-SHAFT 500 SOLDER LUGS
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Alpha Taiwan 855
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AUD 1.5365
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3296Y-1-100LF


10 Ohms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 25.0 Turn Top Adjustment
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Bourns 855
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AUD 1.7373
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PT10LH01-204A2020


Trimmer Resistors - Through Hole 200Kohms 10mm Rnd Side adj
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Amphenol 854
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AUD 0.4212
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3362M-1-104LF


Trimmer Resistors - Through Hole 1/4"SQ 100KOHMS 10% 0.5WATTS
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Bourns 854
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AUD 1.121
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16PMI-4K7


Potentiometer: shaft; single turn; 4.7kO; 60mW; PCB; 6mm; plastic
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SR Passives 854
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AUD 1.1978
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RV170F-10-20K-B10K-3021


Potentiometers Linear Knurled 10K
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Alpha Taiwan 854
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AUD 1.6063
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PTA6044-2015CPA223


Slide Potentiometers 22K AUDIO
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Bourns 854
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AUD 2.3846
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