About Potentiometers, Trimmers & Rheostats

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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Hot 3296W-1-250LF


Trimmer Resistors - Through Hole 3/8" 25ohms Sealed Vertical Adjust
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Bourns Availability : 1522
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USD 0.1066

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3362P-1-473LF


Bourns Trimmer Resistors - Through Hole 14"SQ 47KOHMS 10% 0.5WATTS
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USD 0.5002

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3296W-1-201LF


Trimmer Resistors - Through Hole 3/8IN 200 OHM Sealed Vertical Adjust
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USD 1.1339

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PT10MV10-255A3030


Trimmer Resistors - Through Hole 2.5Mohms 10mm Rnd Top adj
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USD 0.3726

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PT10MV10-505A3030-S


Trimmer Resistors - Through Hole 5Mohms 10mm Rnd Top adj Steel Lead
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USD 0.3238

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PT15NV18-251A2020


Trimmer Resistors - Through Hole 250ohms 15mm Rnd
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PT15LH06-502A2020


Trimmer Resistors - Through Hole 5Kohms 15mm Rnd
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PV36W200C01B00


Trimmer Resistors - Through Hole 20ohms 10mm Square 25turn
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Murata Availability : 1516
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USD 0.8556

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25PR100KLF


100 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 1.0 Turn Top Adjustment
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TT Electronics Availability : 1514
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USD 0.7961

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PT10MV10-253A2020


Trimmer Resistors - Through Hole 25Kohms 10mm Rnd Top adj
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Amphenol Availability : 1513
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USD 0.3737

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