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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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

PT10LH01-504A2020-S


Trimmer Resistors - Through Hole 500Kohms 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 : 2421
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USD 0.182

Multiples of: 1

31204-503


Potentiometers
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CTS Availability : 2421
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USD 4.8098

Multiples of: 1

PT15LV02103A2020S


Potentiometer: mounting; single turn, horizontal; 10kO; 150mW
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Amphenol Availability : 2420
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USD 0.3248

Multiples of: 1

RS15H111CA04


Slide Potentiometers Single Unit,15mm Vertical
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ALPS Availability : 2420
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USD 0.3525

Multiples of: 1

PT15NV02-503A2020-S


Potentiometer: mounting; single turn, horizontal; 50kO; 250mW
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Amphenol Availability : 2415
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USD 0.35

Multiples of: 1

36PR500LF


Trimmer Resistors - Through Hole 500ohm 20% 6mm Single Turn
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TT Electronics Availability : 2409
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USD 0.3998

Multiples of: 1

PT10MH01-104B2020


Trimmer Resistors - Through Hole 100K OHMS 10mm RND AUDIO TAPER 20%
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Amphenol Availability : 2403
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USD 0.435

Multiples of: 1

PS15NV60-103A3030-PM


Trimmer Resistors - SMD 10K ohm +/-30% 50% Wiper Position
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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 : 2402
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USD 0.6916

Multiples of: 1

3362H-1-103LF


Trimmer Resistors - Through Hole 1/4"SQ 10KOHMS 10% 0.5WATTS
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Bourns Availability : 2402
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USD 0.8525

Multiples of: 1

PT10MV10-102A2020


Trimmer Resistors - Through Hole 1Kohms 10mm Rnd Top adj
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Amphenol Availability : 2398
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USD 0.3622

Multiples of: 1

Hot RK09K113004U


potentiometers & variable resistors ±20% through hole rohs
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ALPS Availability : 2395
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USD 0.548

Multiples of: 50

3386H-1-103LF


10 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 1.0 Turn Side Adjustment
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Bourns Availability : 2394
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USD 0.8393

Multiples of: 1

P160KNP-0QC20A1MEG


Potentiometers 1/10W 1M Ohms 20% 16mm ROTARY POT
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TT Electronics Availability : 2394
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USD 0.9607

Multiples of: 1

P160KNP-0EC15A500K


BI Technologies TT Electronics Potentiometers 16mm 500K ohm
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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 : 2385
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USD 1.035

Multiples of: 1

P110KH1-0F15BR10K


10k Ohm 1 Gang Linear Panel Mount Potentiometer None 1.0 Kierros Conductive Plastic 0.05W, 1/20W PC Pins, Board Locks
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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 : 2383
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USD 1.0692

Multiples of: 1

3362W-1-203LF


Trimmer Resistors - Through Hole 1/4"SQ 20KOHMS 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 : 2379
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USD 0.1924

Multiples of: 5

PV36X102C01B00


Trimmer Resistors - Through Hole 1K Ohm 10% 1/2W
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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 : 2374
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USD 0.729

Multiples of: 1

TC33X-2-203E


Trimmer Resistors - SMD 3MM 20KOHMS 25% 0.1WATT OPEN FRM
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Bourns Availability : 2362
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USD 0.0879

Multiples of: 5

Hot 3224W-1-203E


20 kOhms 0.25W, 1/4W J Lead Surface Mount Trimmer Potentiometer Cermet 12.0 Turn Top Adjustment
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Bourns Availability : 1049
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USD 0.8624

Multiples of: 1

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