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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RV24AF-40-15R1-B1K-3LA


Potentiometers Linear PC 1K Vert Angle PC Mount
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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.

Alpha Taiwan Availability : 2667
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USD 0.9375

Multiples of: 1

3386R-1-503


Trimmer Resistors - Through Hole 3/8"SQ 50KOHMS 10% 0.5WATTS
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Bourns Availability : 2667
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USD 1.625

Multiples of: 100

T75R-100K


Potentiometer: mounting; single turn, horizontal; 100kO; 250mW
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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.

SR Passives Availability : 2662
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USD 0.2124

Multiples of: 1

PT6KV-103A2020-PM


Trimmer Resistors - Through Hole
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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 : 2662
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USD 0.2371

Multiples of: 100

3224W-1-104G


Trimmer Resistors - SMD 4mm 100Kohms 10% Square Cermet Sealed
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Bourns Availability : 2656
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USD 2.4375

Multiples of: 1

3313J-2-503E


Trimmer Resistors - SMD 3MM TRIM POT 50K SMD SEALED
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Bourns Availability : 2652
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USD 0.9038

Multiples of: 1

PT10LV10-105A2020-S


Trimmer Resistors - Through Hole 1Mohms 10mm Rnd Top adj Steel Lead
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Amphenol Availability : 2651
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USD 0.1811

Multiples of: 1

PS6KV55-503A3030


Trimmer Resistors - SMD 50k ohm 30%
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Amphenol Availability : 2649
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USD 0.585

Multiples of: 1

TC33X-2-204E


Trimmer Resistors - SMD 3MM 200KOHMS 25% 0.1WATT OPEN FRM
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Bourns Availability : 2647
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USD 0.1281

Multiples of: 1

3296X-1-502


Precision Potentiometer 5KOhms ±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 : 2641
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USD 0.1065

Multiples of: 5

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