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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PS45M-0MC2FAR50K


Slide Potentiometers 50K Ohms 20% 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 : 1513
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USD 1.1125

Multiples of: 1

3296X-1-102ALF


Trimmer Resistors - Through Hole 38" 1Kohms Sealed Horizontal Adjust
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Bourns Availability : 1513
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USD 1.6849

Multiples of: 1

PT10LH01-474A2020


Trimmer Resistors - Through Hole 470Kohms 10mm Rnd Side adj
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Amphenol Availability : 1512
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USD 0.2738

Multiples of: 1

PT10LV10-254A2020


Trimmer Resistors - Through Hole 250Kohms 10mm Rnd Top adj
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Amphenol Availability : 1512
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USD 0.3737

Multiples of: 1

Hot 3313J-1-200E


Trimmer Resistors - SMD 3mm 20 OHM Vertical Adjust
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Bourns Availability : 1512
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USD 0.4351

Multiples of: 1

RK14K1220D1J


±20% 50mW 5kΩ Plugin Variable Resistors/Potentiometers ROHS
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ALPS Availability : 1510
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USD 0.3028

Multiples of: 1

PS10LV50-104A3030-P10


Trimmer Resistors - SMD
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Amphenol Availability : 1510
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USD 0.9387

Multiples of: 1

RV170SF-10-15R1-B5K


Potentiometers Linear 5K
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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 : 1510
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USD 1.95

Multiples of: 1

P0925N-FA15AR100K


Potentiometers 1/40W 100K Ohms 20% 9mm 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 : 1510
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USD 2.5875

Multiples of: 1

Hot 3306P-1-504


500 kOhms 0.2W, 1/5W PC Pins Through Hole Trimmer Potentiometer Cermet 1.0 Turn Top Adjustment
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Bourns Availability : 1508
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USD 0.0435

Multiples of: 1

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