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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R0141-2-100K


Potentiometer: mounting; single turn, horizontal; 100kO; 30mW
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SR Passives 121
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AUD 0.3511
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G43BT-B102


Potentiometer: mounting; single turn; 1kΩ; 250mW; SMD; ±20%; linear
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Tocos 121
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AUD 0.68
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PTV09A-1020F-B203


Potentiometers PANEL CONTROL - 9MM-ST-CARBON 20 kohms 20 mm
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Bourns 121
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AUD 0.983
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P160KNPD-4QA15A5K


Potentiometers 16mm Rotary Panel Potentiometer
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TT Electronics 121
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AUD 1.2938
Multiples of: 1

3006Y-1-203LF


20 kOhms 0.75W, 3/4W PC Pins Through Hole Trimmer Potentiometer Cermet 15.0 Turn Side Adjustment
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Bourns 121
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AUD 1.621
Multiples of: 100

3329H-1-501LF


500 Ohms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 1.0 Turn Top Adjustment
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Bourns 121
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AUD 2.2
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3352E-1-254LF


Trimmer Resistors - Through Hole 3/8"round 250Kohms 0.5watt 20%
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Bourns 121
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AUD 2.4802
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3266X-1-101LF


Trimmer Resistors - Through Hole 1/4" 100ohms 10% SQ W/Standoff Sealed
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Bourns 121
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AUD 2.8175
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RV122F-20-15F-A50K-0072


Potentiometers Audio D-Shaft 50K
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Alpha Taiwan 121
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AUD 3.1429
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3009Y-1-203LF


Trimmer Resistors - Through Hole 20Kohms 10% 3/4inch rectangular
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Bourns 121
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AUD 3.7302
Multiples of: 100

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