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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PT10-M-V-504(500K)


±20% 150mW 500kΩ - Variable Resistors/Potentiometers ROHS
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Guosheng 485
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AUD 0.1376
Multiples of: 5

3329H-1-203


Precision Potentiometer 20KOhms ±10% ±250ppm/℃ 3329H RoHS
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Guosheng 485
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AUD 0.5321
Multiples of: 1

270500030601


Potentiometer Tools & Fixings NUT, HARDWARE
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CTS 485
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AUD 0.5466
Multiples of: 1

23AR10LFTR


Trimmer Resistors - SMD 4MM Squ 10 10% Sealed
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TT Electronics 485
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AUD 0.6138
Multiples of: 500

3362P-1-200LF


20 Ohms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 1.0 Turn Top Adjustment
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Bourns 485
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AUD 0.6287
Multiples of: 250

44GR5KT7


Trimmer Resistors - SMD TRIMMER-ASSY
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TT Electronics 485
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AUD 0.7369
Multiples of: 1

CT-6EP500


Trimmer Resistors - Through Hole 50 W 6mm sq. single turn top adj, std type
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Nidec Copal 485
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AUD 0.8422
Multiples of: 1

RM063-504(500K)


±25% 100mW 500kΩ Plugin Variable Resistors/Potentiometers ROHS
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Guosheng 465
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AUD 0.0689
Multiples of: 10

T910W-10R


Potentiometer: mounting; multiturn; 10O; 500mW; THT; ±10%; linear
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SR Passives 396
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AUD 0.627
Multiples of: 1

PTV09A-2025F-B103


Potentiometers 10K 20% 9mm Linear Snap In
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Bourns 0
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AUD 0.7183
Multiples of: 1

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