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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TC33X-2-501E


Bourns Trimmer Resistors - SMD 3MM 500OHMS 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 : 6038
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USD 0.0772

Multiples of: 5

3362P-1-503LF


Trimmer Resistors - Through Hole 1/4"SQ 50KOHMS 10% 0.5WATTS
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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 : 5384
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USD 0.2332

Multiples of: 1

3296X-1-203


Precision Potentiometer 20KOhms ±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 : 2483
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USD 0.0898

Multiples of: 5

PT10LV10-504A2020


Trimmer Resistors - Through Hole 500Kohms 10mm Rnd Top 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 : 2462
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USD 0.3622

Multiples of: 1

CA9MH 50K


Potentiometer: mounting; single turn, vertical; 50kO; 0.15W; ±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 : 2457
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USD 0.182

Multiples of: 1

68XR200LF


Trimmer Resistors - Through Hole 3/8" Squ 200 10%
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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 : 2457
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USD 1.0125

Multiples of: 1

P230-1FC25BR5K


Res Conductive Plastic POT 5K Ohm 20% 0.5W(1/2W) 1(Elec)/1(Mech)Turn 6mm (36 X 24 X 30.15mm) Solder Lug Panel 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.

TT Electronics Availability : 2452
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USD 2.464

Multiples of: 1

3386P-1-472LF


Trimmer Resistors - Through Hole 3/8" 4.7Kohms 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 : 2450
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USD 0.6607

Multiples of: 1

PT15LV18-502A2020


Trimmer Resistors - Through Hole 5Kohms 15mm Rnd
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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 : 2445
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USD 0.481

Multiples of: 1

PVG5H203C03R00


Trimmer Resistors - SMD 20Kohms 5mm 11turn Side 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.

Murata Availability : 2434
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USD 1.4728

Multiples of: 1

PT6KV-203A2020


Trimmer Resistors - Through Hole 20Kohms 6mm Rnd Top 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 : 2429
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USD 0.3344

Multiples of: 1

VGF39NCHXT-B101


SMD Potentiometers, Variable Resistors 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.

HDK Availability : 2425
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USD 0.0579

Multiples of: 5

VGF39NCHXT-B105


SMD Potentiometers, Variable Resistors 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.

HDK Availability : 2425
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USD 0.0598

Multiples of: 5

VGF39NCHXT-B302


SMD Potentiometers, Variable Resistors 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.

HDK Availability : 2425
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USD 0.0598

Multiples of: 5

CA9V 250K


Potentiometer: mounting; single turn, horizontal; 250kO; 0.15W
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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 : 2425
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USD 0.1425

Multiples of: 1

CA9MH 100K


Potentiometer: mounting; single turn, vertical; 100kO; 0.15W; ±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 : 2425
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USD 0.154

Multiples of: 1

PT6KH-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 : 2425
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USD 0.1875

Multiples of: 1

CA9MV 25K


Potentiometer: mounting; single turn, horizontal; 25kO; 0.15W
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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 : 2422
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USD 0.1526

Multiples of: 1

PT10MV10-102A2020-S


Trimmer Resistors - Through Hole 1Kohms 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 : 1914
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USD 0.3052

Multiples of: 1

TC33X-2-204E


Trimmer Resistors - SMD 3MM 200KOHMS 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 : 1815
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USD 0.1287

Multiples of: 1

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