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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CA6XVSMD-10KA2525


Potentiometer: mounting; single turn; 10kO; 100mW; SMD; ±20%
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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.

ACP Availability : 7556
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USD 0.1646

Multiples of: 10

PT15LV18-103A2020-S


Trimmer Resistors - Through Hole 10Kohms 15mm Rnd Steel Leads
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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 : 7408
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USD 0.4248

Multiples of: 1

TC33X-2-101G


Trimmer Resistors - SMD 3MM 100 OHMS 25% 0.1WATT OPEN FRM
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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 : 7393
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USD 0.1438

Multiples of: 1

3299W-1-103LF


Trimmer Resistors - Through Hole 10Kohms Standoffs Vertical Adjust 3/8"
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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 : 7331
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USD 1.6492

Multiples of: 1

PT10LH01-503A2020


Trimmer Resistors - Through Hole 50Kohms 10mm Rnd Side adj
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Amphenol Availability : 7254
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USD 0.3737

Multiples of: 1

ST-32ETB103


10 kOhms 0.125W, 1/8W Gull Wing Surface Mount Trimmer Potentiometer Cermet 1.0 Turn Top 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.

Nidec Copal Availability : 7220
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USD 0.9295

Multiples of: 1

N6L50T0C-203-3030


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 : 7181
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USD 0.2302

Multiples of: 1

3362W-1-504LF


Trimmer Resistors - Through Hole 1/4"SQ 500KOHMS 10% 0.5WATTS
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Bourns Availability : 7170
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USD 0.1933

Multiples of: 5

TS53YJ203MR10


20 kOhms 0.25W, 1/4W J Lead Surface Mount Trimmer Potentiometer Cermet 1.0 Turn Top Adjustment
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Vishay Availability : 7103
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USD 1.4357

Multiples of: 1

91AR10KLF


Trimmer Resistors - Through Hole 3/8" thumbwheel 10K Lead Free
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TT Electronics Availability : 7048
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USD 1.0691

Multiples of: 1

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