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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PTC10LH01-104A2020


Trimmer Resistors - Through Hole 100Kohms 10mm Rnd
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Amphenol 646
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AUD 1.2308
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72XR50LFTB


Trimmer Resistors - Through Hole 1/2W 50 Ohms 20% SINGLE TURN
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TT Electronics 645
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AUD 2.8
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PTV09A-4020F-B504


Potentiometers PANEL CONTROL - 9MM-ST-CARBON 500 kohms 20 mm
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Bourns 644
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AUD 0.8137
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RK12L1230C1K


Potentiometers Vertical type / Dual-unit (for Tone) / 10k ohm, 1B / LM1=25mm / With Center Detent
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ALPS 644
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AUD 0.9401
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PDB182-GTR01-504A2


Bourns Potentiometers 500KOHMS KNURLED DUAL SOLDER LUGS
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Bourns 644
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AUD 1.9556
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PTV09A-4225F-B103


Res Carbon Film POT 10K Ohm 20% 0.05W(1/20W) 1(Elec)/1(Mech)Turn 6mm (11.4 X 12.5 X 28.8mm) Pin Bracket Mount/Through Hole
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Bourns 643
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AUD 0.8206
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RV16AF-10-15K-A2K-3LA


Potentiometers Audio Knurled 2K Solder Lugs
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Alpha Taiwan 642
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AUD 1.1698
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PTD902-1025K-B503


50k Ohm 2 Gang Linear Panel Mount Potentiometer None 1.0 Kierros Carbon 0.05W, 1/20W PC Pins, Board Locks
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Bourns 642
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AUD 2.2
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64PR200LF


BI Technologies TT Electronics Trimmer Resistors - Through Hole 200K ohm 10% 14" squ 12 turn
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TT Electronics 642
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AUD 2.3048
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TS63Y503KT20


Trimmer Resistors - SMD 1/4" SQ 50K
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Vishay 621
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AUD 4.5921
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