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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3386X-1-152LF


Trimmer Resistors - Through Hole 3/8" 1.5Kohms 10% 0.5Watts Square
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Bourns Availability : 1394
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USD 0.6934

Multiples of: 1

RV24AF-10-15F-B10K


Potentiometers Linear D-Shaft 10K
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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 : 1392
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USD 1.0375

Multiples of: 1

T910Z-100K


Potentiometer: mounting; multiturn; 100kO; 500mW; THT; ±10%; linear
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SR Passives Availability : 1391
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USD 0.1748

Multiples of: 1

R16148-1A-1-A500K


Potentiometer: shaft; single turn; 500kO; 63mW; ±20%; on cable; 6mm
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SR Passives Availability : 1390
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USD 0.2066

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 0.8312

Multiples of: 1

ST-32ETA102


1 kOhms 0.125W, 1/8W J Lead Surface Mount Trimmer Potentiometer Cermet 1.0 Turn Top Adjustment
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Nidec Copal Availability : 1389
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USD 0.9399

Multiples of: 1

Hot 3224W-1-501E


500 Ohms 0.25W, 1/4W J Lead Surface Mount Trimmer Potentiometer Cermet 12.0 Turn Top Adjustment
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Bourns Availability : 1388
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USD 0.7366

Multiples of: 1

89PR200KLF


200 kOhms 0.75W, 3/4W PC Pins Through Hole Trimmer Potentiometer Cermet 20.0 Turn Side Adjustment
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TT Electronics Availability : 1387
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USD 0.8512

Multiples of: 100

PS20M-0PC1FAR250KN


Slide Potentiometers 250K ohm 20% 20mm Slide Potentiometer
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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 : 1387
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USD 1.095

Multiples of: 1

RV4NAYSD252A


2.5k Ohm 1 Gang Linear Panel Mount Potentiometer None 1.0 Kierros Carbon 2W Solder Lug
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Precision Electronics Availability : 1386
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USD 12.8221

Multiples of: 1

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