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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T93XA202KT20


2 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 21.0 Turn Side Adjustment
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Vishay 420
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AUD 1.6395
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PTR901-2015K-B502


Bourns Potentiometers 5K LINEAR
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Bourns 420
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AUD 2.881
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PVG5A202C03R00


Trimmer Resistors - SMD 2Kohms 5mm 11turn Top Adjust
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Bourns 420
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AUD 3.4782
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PTV09A-4030F-B502


Potentiometers PANEL CONTROL - 9MM-ST-CA 5 kohms 30 mm
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Bourns 419
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AUD 0.7403
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84WR1KLF


Trimmer Resistors - SMD 6.35MM 1/4" 12-TURN SEALED
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TT Electronics 419
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AUD 2.3222
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PTR901-2020F-B103


Potentiometers PANEL CONTROLS
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Bourns 419
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AUD 3.1603
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POT2218M2-10K


Potentiometer: shaft; multiturn; 10kO; 2W; ±5%; 6.35mm; linear
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SR Passives 419
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AUD 9.3111
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PTD902-1015K-A502


Potentiometers PANEL CONTROL 9MM-ST-CARBON
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Bourns 418
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AUD 2.1651
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3352H-1-501LF


500 Ohms 0.5W, 1/2W Through Hole Thumbwheel Potentiometer Side Adjustment
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Bourns 418
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AUD 3.3462
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026TB32R102B1A1


1k Ohm 1 Gang Linear Panel Mount Potentiometer None 1.0 Kierros Wirewound 5W Solder Lug
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CTS 416
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AUD 4.854
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