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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3296W-1-101RLF


Trimmer Resistors - Through Hole 38IN 100 OHM Sealed Vertical Adjust
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Bourns 991
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AUD 2.594
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RK0971115Z0E


±20% 50mW 5kΩ Plugin Variable Resistors/Potentiometers ROHS
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ALPS 143
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AUD 0.6561
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RJR24FW105R


Trimmer Resistors - Through Hole 100ppm 1Mohms 25 TURNS NOM.
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Bourns 133
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AUD 12.0336
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3852A-206-103AL


Potentiometers 10K 3/4" Single Turn
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Bourns 133
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AUD 14
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3362P-1-204


Trimmer Resistors - Through Hole 1/4"SQ 200KOHMS 10% 0.5WATTS
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Bourns 132
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AUD 1.2924
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3386T-1-205LF


Trimmer Resistors - Through Hole 3/8" 2Mohms 10% 0.5Watts Square
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Bourns 132
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AUD 1.625
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3329X-1-203LF


20 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 1.0 Turn Side Adjustment
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Bourns 132
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AUD 2.5477
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PTV112-3412A-A204


Potentiometers Dual Gang No Detent 12.5mm A Taper 204
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Bourns 132
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AUD 2.58
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3329P-1-252LF


Trimmer Resistors - Through Hole 14" RD TRIMPOT 2.5K ST CERMET
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Bourns 132
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AUD 2.9615
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534B1503JCB


Precision Potentiometers
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Vishay 81
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AUD 36.3791
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