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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PDB182-GTRB1-104MN


Potentiometers PANEL CONTROL - 17MM-ST-CARBON
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Bourns 870
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AUD 3.1923
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PT01-D120D-B102


Precision Potentiometers rotary potentiometer single channel horizontal 20mm D-cut linear taper 1K ohm
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Same Sky 869
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AUD 0.6897
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89PR20LF


20 Ohms 0.75W, 3/4W PC Pins Through Hole Trimmer Potentiometer Cermet 20.0 Turn Side Adjustment
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TT Electronics 869
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AUD 1.3794
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91AR500LF


Trimmer Resistors - Through Hole 3/8inch 500 LEADFREE Thumbwheel
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TT Electronics 869
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AUD 1.5383
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3314Z-1-203E


20 kOhms 0.25W, 1/4W J Lead Surface Mount Trimmer Potentiometer Cermet 1.0 Turn Side Adjustment
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Bourns 869
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AUD 1.5889
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CA9MV 500K


Potentiometer: mounting; single turn, horizontal; 500kO; 0.15W
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ACP 868
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AUD 0.2378
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RV121SF-30-009J-A55-00K


Potentiometers 12mm Audio 500K W/SW
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Alpha Taiwan 868
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AUD 2.5769
Multiples of: 1

PT01-D125D-A103


Precision Potentiometers rotary potentiometer single channel horiz 25mm D-cut reverse log taper 10K ohm
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Same Sky 867
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AUD 0.6932
Multiples of: 1

PDB12-F4251-503AF


Potentiometers 50K AUDIO 12MM
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Bourns 867
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AUD 0.8154
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RV120F-20-15F-A5K-0075


Potentiometers AUDIO D-SHAFT 5K
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Alpha Taiwan 867
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AUD 1.6063
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