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-2-303E


Bourns Trimmer Resistors - SMD 3MM 30KOHMS 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 : 8508
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USD 0.1243

Multiples of: 1

82PR20KLF


Trimmer Resistors - Through Hole 6.35MM 1/4" SINGLE-TURN SEALED
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TT Electronics Availability : 4850
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USD 0.85

Multiples of: 1

3361S-1-103GLF


10 kOhms 0.5W, 1/2W Gull Wing Surface Mount Trimmer Potentiometer Cermet 1.0 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 : 3793
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USD 0.7007

Multiples of: 1

25PR200KLF


BI Technologies TT Electronics Trimmer Resistors - Through Hole 14" Squ 20K 10%
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TT Electronics Availability : 1406
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USD 1.18

Multiples of: 50

72XR250KLF


Trimmer Resistors - Through Hole 3/8" Squ 250K 10%
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TT Electronics Availability : 1406
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USD 1.2045

Multiples of: 1

P160KNP-0EC25B5K


BI Technologies TT Electronics Potentiometers 16mm Rotary Panel Potentiometer
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TT Electronics Availability : 1399
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USD 0.7972

Multiples of: 1

RV16AF-20CB-20K-A20K-LA


Potentiometers 16MM PCB POTENTIOMETER
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Alpha Taiwan Availability : 1397
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USD 0.6303

Multiples of: 1

P090S-04K25BR10K


BI Technologies TT Electronics Potentiometers 9mm Rotary Panel Potentiometer
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TT Electronics Availability : 1394
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USD 0.6203

Multiples of: 1

PV36X102C01B00


Trimmer Resistors - Through Hole 1K Ohm 10% 1/2W
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Murata Availability : 1394
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USD 0.7777

Multiples of: 1

P120PK-F20AR2K


Potentiometers 1/20W 2K Ohms 20% 12mm ROTARY POT
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TT Electronics Availability : 1390
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USD 0.8056

Multiples of: 1

PT10LH01-102A2020-S


Trimmer Resistors - Through Hole 1Kohms 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 : 1389
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USD 0.2016

Multiples of: 1

3314J-1-223E


Bourns Trimmer Resistors - SMD 4mm SQ 22K
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Bourns Availability : 1387
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USD 0.7865

Multiples of: 1

PT10MV11-102A2020-S


Trimmer Resistors - Through Hole
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Amphenol Availability : 1386
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USD 0.308

Multiples of: 1

PT10LV10-204A2020


Trimmer Resistors - Through Hole 200Kohms 10mm Rnd Top adj
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Amphenol Availability : 1385
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USD 0.3622

Multiples of: 1

P230-2FC20BR500K


Potentiometers 12W 500K Ohms 20% 24mm ROTARY POT
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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 : 1383
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USD 3.0046

Multiples of: 1

3296P-1-503LF


Trimmer Resistors - Through Hole 3/8" 50Kohms Sealed Horizontal 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 : 1357
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USD 1.0945

Multiples of: 1

M64W203KB40


20 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 21.0 Turn Top Adjustment
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Vishay Availability : 1312
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USD 1.705

Multiples of: 1

P160KNP-0FC20B10K


BI Technologies TT Electronics Potentiometers 15W 10K Ohms 20% 16mm ROTARY POT
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TT Electronics Availability : 1294
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USD 0.9955

Multiples of: 1

3214W-1-103G


Trimmer Resistors - SMD 4MM SQ 10KOHMS 10% 5TURN
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Bourns Availability : 1197
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USD 1.353

Multiples of: 1

82PR200LF


Trimmer Resistors - Through Hole 200 ohm 10% 6.35mm
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TT Electronics Availability : 909
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USD 0.7227

Multiples of: 1

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