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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3590S-2-101L


100 Ohm 1 Gang Linear Panel Mount Potentiometer None 10.0 Kierros Wirewound 2W Solder Lug
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Bourns 91
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AUD 15.3651
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RV4NAYSD203A


ETI Systems Potentiometers 20K ohm 10% 28.45mm
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ETI Systems 91
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AUD 31.254
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PE30MEFD103KAB


Vishay Sfernice Potentiometers 3watts 10Kohms 10% 13mm Slotted
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Vishay 91
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AUD 56.2921
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Y40535K00000J0L


Trimmer Resistors - Through Hole 5Kohms 1/4w 5% 6.35mm sq seal
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Vishay 91
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AUD 101.7413
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MFP161D


Switch Slide ON ON SPDT Top Slide 0.3A 125VAC 30VDC 10000Cycles PC Pins Thru-Hole
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Knitter-Switch 90
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AUD 2.3333
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3269W-1-104


Trimmer Resistors - SMD 1/4" 100Kohms 10% Vertical Adjust
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Bourns 90
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AUD 5.9977
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M63P502KB30T607


Trimmer Resistors - Through Hole 3/8"SQ 5Kohms 10% Single Turn Cermet
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Vishay 90
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AUD 8.0385
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575SX1A48S503SS


50k Ohm 1 Gang Linear Panel Mount Potentiometer None 1.0 Kierros Conductive Plastic 0.5W, 1/2W Solder Hook
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Honeywell 90
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AUD 9.9603
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3352T-1-105LF


Trimmer Resistors - Through Hole 3/8"round 1Mohms 0.5watt 20%
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Bourns 88
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AUD 2.5492
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3541H-1-502L


Precision Potentiometers 7/8"HYBR 5Kohms 0.25% 10turn
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Bourns 57
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AUD 52.2937
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