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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PT10LV10-501A2020-S


Trimmer Resistors - Through Hole 500ohms 10mm Rnd Top adj Steel Lead
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Amphenol 956
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AUD 0.3178
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R16148-1A-1-B1K


Potentiometer: shaft; single turn; 1kO; 125mW; ±20%; on cable; 6mm
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SR Passives 956
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AUD 0.3489
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PTV09A-2020S-A503


Potentiometers PANEL CONTROL - 9MM-ST-CARBON 50 kohms 20 mm
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Bourns 956
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AUD 0.763
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3296Y-1-503


Trimmer Resistors - Through Hole 3/8" 50Kohms Sealed Vertical Adjust
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Bourns 956
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AUD 1.0571
Multiples of: 1

3362M-1-503LF


Trimmer Resistors - Through Hole 1/4"SQ 50KOHMS 10% 0.5WATTS
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Bourns 956
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AUD 1.121
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RA2043F-20-10EB1-A5K


Slide Potentiometers 20mm TRVL AUDIO 5K PC Mount
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Alpha Taiwan 956
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AUD 1.4423
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67WR20LF


Trimmer Resistors - Through Hole 3/8" Squ 20 10%
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TT Electronics 956
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AUD 1.5959
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RV16A03F-10-15R1-B100K-0030


Potentiometers Linear W/SW 100K
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Alpha Taiwan 956
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AUD 2.0079
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R16141G0-KA15D6.5-B503-91A


Plugin Variable Resistors/Potentiometers ROHS
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CTR 955
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AUD 0.8616
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PTA3043-2010CIB203


Bourns Slide Potentiometers 10mm Shaft 20K Ohms Sgl Gang Ins Lev Lin
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Bourns 955
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AUD 1.4126
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