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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PS30-20MC3AR200K


Slide Potentiometers 200K ohm 20% 30mm Slide Potentiometer
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TT Electronics 117
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AUD 2.0851
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3223W-1-504


Trimmer Resistors - SMD 500K OHM 3mm 20%
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Bourns 117
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AUD 3.8269
Multiples of: 1

P8PY472KB25


Trimmer Resistors - Through Hole 4.7Kohms 10%
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Vishay 117
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AUD 18.8806
Multiples of: 1

3386V-1-502LF


Bourns Trimmer Resistors - Through Hole 38" 5Kohms 10% 0.5Watts Square
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Bourns 116
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AUD 1.3299
Multiples of: 1

3362W-1-502


Trimmer Resistors - Through Hole 1/4"SQ 5KOHMS 10% 0.5WATTS
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Bourns 116
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AUD 1.3453
Multiples of: 1

3386S-1-204LF


Trimmer Resistors - Through Hole 38" 200Kohms 10% 0.5Watts Square
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Bourns 116
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AUD 1.625
Multiples of: 1

MFP261N


Switch Slide ON ON DPDT Top Slide 0.35A 30VDC 10000Cycles PC Pins Thru-Hole
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Knitter-Switch 116
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AUD 2.4866
Multiples of: 1

RV4NAYSD251A


Potentiometers 250 ohm 10% 28.45mm
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ETI Systems 115
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AUD 38.9925
Multiples of: 1

RK08H12100F3


Potentiometers 10 KOhms 30%
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ALPS 112
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AUD 1.8716
Multiples of: 1

3266X-1-202


Precision Potentiometer 2KOhms ±10% ±250ppm/℃ 3266X RoHS
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Guosheng 92
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AUD 0.2642
Multiples of: 5

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