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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3362P-1-502


Precision Potentiometer 5KOhms ±10% ±250ppm/℃ 3362P RoHS
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Guosheng 50784
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AUD 0.1334
Multiples of: 5

TC33X-2-104G


Bourns Trimmer Resistors - SMD 3MM 100KOHMS 25% 0.1WATT OPEN FRM
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Bourns 12354
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AUD 0.2167
Multiples of: 1

P120PK-Y25BR10K


Potentiometers 12mm 10K ohm
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TT Electronics 11130
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AUD 1.1181
Multiples of: 1

3296W-1-201


Precision Potentiometer 200Ohms ±10% ±250ppm/℃ Through Hole RoHS
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Guosheng 10471
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AUD 0.1541
Multiples of: 5

3314G-1-503E


Trimmer Resistors - SMD 4mm SQ 50K
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Bourns 10225
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AUD 0.6702
Multiples of: 1

23AR50KLFTR


Trimmer Resistors - SMD 4MM Squ 50K 10% Sealed
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TT Electronics 9428
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AUD 1.146
Multiples of: 1

T910Y-100K


Potentiometer: mounting; multiturn; 100kO; 500mW; THT; ±10%; linear
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SR Passives 3781
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AUD 0.2654
Multiples of: 1

Hot 3296X-1-103LF


Trimmer Resistors - Through Hole 3/8" 10Kohms Sealed Horizontal Adjust
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Bourns 485
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AUD 0.9231
Multiples of: 1

PVG5A103C03R00


Trimmer Resistors - SMD 10Kohms 5mm 11turn Top Adjust
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Murata 195
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AUD 1.9045
Multiples of: 1

TC42X-2-503E


Trimmer Resistors - SMD 50K 2mm SMD Single Turn
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Bourns 0
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AUD 0.1954
Multiples of: 1

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