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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3386P-1-251LF


Bourns Trimmer Resistors - Through Hole 38IN 250 OHMS 10% 0.5Watts Square
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Bourns Availability : 1835
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USD 0.6923

Multiples of: 1

3386X-1-252LF


Trimmer Resistors - Through Hole 3/8" 2.5Kohms 10% 0.5Watts Square
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Bourns Availability : 1835
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USD 0.7774

Multiples of: 1

PT10LH01-202A2020


Trimmer Resistors - Through Hole 2Kohms 10mm Rnd Side adj
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Amphenol Availability : 1834
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USD 0.3125

Multiples of: 1

3224G-1-104E


100 kOhms 0.25W, 1/4W Gull Wing Surface Mount Trimmer Potentiometer Cermet 12.0 Turn Side Adjustment
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Bourns Availability : 1834
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USD 2.2069

Multiples of: 1

3296W-1-201


Precision Potentiometer 200Ohms ±10% ±250ppm/℃ Through Hole RoHS
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Guosheng Availability : 1833
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USD 0.1065

Multiples of: 5

PT10LH01-101A2020-S


Trimmer Resistors - Through Hole 100ohms 10mm Rnd Side adj Steel lead
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Amphenol Availability : 1833
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USD 0.195

Multiples of: 1

P120PK-Y20BR20K


Potentiometers 12mm Rotary Panel Potentiometer
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

TT Electronics Availability : 1833
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USD 0.7312

Multiples of: 1

3296W-1-471LF


Trimmer Resistors - Through Hole 3/8" 470ohms Sealed Vertical Adjust
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Bourns Availability : 1833
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USD 1.1106

Multiples of: 1

RK09K12C0A19


Potentiometers 10 KOhms 30%
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

ALPS Availability : 1833
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USD 1.572

Multiples of: 1

PT10LV10-505A3030-S


Trimmer Resistors - Through Hole 5Mohms 10mm Rnd Top adj Steel Lead
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Amphenol Availability : 1831
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USD 0.2022

Multiples of: 1

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