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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3266W-1-202


Precision Potentiometer 2KOhms ±10% ±250ppm/℃ 3266W RoHS
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Guosheng 3137
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AUD 0.247
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3224J-1-100E


10 Ohms 0.25W, 1/4W J Lead Surface Mount Trimmer Potentiometer Cermet 12.0 Turn Side Adjustment
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Bourns 422
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AUD 3.1851
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ASE62L04


Switch Slide 6PDT Top Slide 0.3A 115VAC Gull Wing SMD Tube
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TE Connectivity 422
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AUD 21.9403
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PT15-L-V-501(500R)


±20% 250mW 500Ω - Variable Resistors/Potentiometers ROHS
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Guosheng 421
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AUD 0.2094
Multiples of: 5

PTD902-2015K-A502


Potentiometers 5K AUDIO
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Bourns 421
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AUD 2.0522
Multiples of: 1

44WR500KLFTB


Trimmer Resistors - SMD 4MM Squ 500K 10%
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TT Electronics 421
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AUD 6.1866
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P160KN-0FC20B500


Potentiometers
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TT Electronics 419
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AUD 1.6024
Multiples of: 1

3269W-1-104G


Trimmer Resistors - SMD 14" 100Kohms 10% Vertical Adjust
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Bourns 416
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AUD 5.1716
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3214G-1-202E


Trimmer Resistors - SMD 4MM SQ 2KOHMS 10% 5TURN
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Bourns 387
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AUD 1.9701
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84WR50KLF


Trimmer Resistors - SMD 50K ohm 10% 6.35mm
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TT Electronics 297
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AUD 2.3313
Multiples of: 1

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