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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3362P-1-200LF


20 Ohms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 1.0 Turn Top Adjustment
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Bourns 194
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AUD 0.5537
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3329H-1-101


Trimmer Resistors - Through Hole 1/4"RND 100OHMS 10% 0.5WATTS
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Bourns 139
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AUD 3.0381
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3299P-1-253


Trimmer Resistors - Through Hole 25Kohms Standoffs Horizontal Adjust
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Bourns 139
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AUD 3.7714
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RV4LAYSD502A


Res Conductive Plastic POT 5K Ohm 10% 2W 1(Elec)/1(Mech)Turn 6.35mm (36.52 X 27.78 X 36.12mm) Solder Lug Panel Mount
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Honeywell 139
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AUD 41.373
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3362W-1-104


Trimmer Resistors - Through Hole 1/4"SQ 100KOHMS 10% 0.5WATTS
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Bourns 138
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AUD 1.3453
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3224X-1-203E


SMD-3P,5x4.8mm Potentiometers, Variable Resistors ROHS
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Guosheng 138
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AUD 1.9386
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3006W-1-201


Trimmer Resistors - Through Hole 200ohm 3/4" 10% Sealed Mutlti Turn
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Bourns 138
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AUD 2.1651
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PTR901-2015K-B503


50k Ohm 1 Gang Linear Panel Mount Potentiometer Rotary, SPST 1.0 Kierros Carbon 0.05W, 1/20W PC Pins, Board Locks
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Bourns 138
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AUD 3.0905
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PDB181-K420P-105A2


Bourns Potentiometers PANEL CONTROL 17MM-ST-CARBON
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Bourns 137
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AUD 1.1279
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RK08H12100F3


Potentiometers 10 KOhms 30%
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ALPS 136
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AUD 1.8857
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