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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64WR200LF


200 Ohms 0.25W, 1/4W PC Pins Through Hole Trimmer Potentiometer Cermet 12.0 Turn Top 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.

TT Electronics Availability : 2182
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USD 1.23

Multiples of: 50

VG039NCHXTB472


Variable Resistors ±25% ±250 ppm/°C SMD 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.

Hokuriku Availability : 2177
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USD 0.0533

Multiples of: 10

PS30-10MC3BR10K


Res POT 10K Ohm 20% 0.2W(1/5W) (45 X 9 X 26.8mm) Pin Thru-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.

TT Electronics Availability : 2176
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USD 1.2899

Multiples of: 20

PT15LV02503A2020S


Potentiometer: mounting; single turn, horizontal; 50kO; 150mW
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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 : 2173
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USD 0.3351

Multiples of: 1

RKT6V-50K


Potentiometer: mounting; single turn, horizontal; 50kO; 100mW
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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.

SR Passives Availability : 2172
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USD 0.0664

Multiples of: 10

Hot PT10MV10-103A2020-E-S


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 : 2169
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USD 0.286

Multiples of: 1

P120PK-F17BR5K


Potentiometers 12mm Rotary Panel 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 : 2165
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USD 0.6958

Multiples of: 1

3361P-1-253GLF


25 kOhms 0.5W, 1/2W Gull Wing Surface Mount Trimmer Potentiometer Cermet 1.0 Turn Top 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 : 2154
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USD 0.6158

Multiples of: 1

3361P-1-501GLF


500 Ohms 0.5W, 1/2W Gull Wing Surface Mount Trimmer Potentiometer Cermet 1.0 Turn Top 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 : 2149
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USD 0.5707

Multiples of: 1

PT15LH06-504A2020


Trimmer Resistors - Through Hole 500Kohms 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 : 2145
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USD 0.4963

Multiples of: 1

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