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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PT15-N-V-503(50K)


±20% 250mW 50kΩ - Variable Resistors/Potentiometers ROHS
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Guosheng 38
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AUD 0.2299
Multiples of: 5

3296X-1-101


Precision Potentiometer 100Ohms ±10% ±250ppm/℃ Through Hole RoHS
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Guosheng 38
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AUD 0.3395
Multiples of: 5

R111A1G0-FA15B7.0-B103-000


Plugin Variable Resistors/Potentiometers ROHS
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CTR 38
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AUD 0.6492
Multiples of: 1

RS30H121A00B


Slide Potentiometers Dual Unit,30mm Vertical Type
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ALPS 38
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AUD 1.2341
Multiples of: 1

3386C-1-202LF


Trimmer Resistors - Through Hole 3/8" 2Kohms 10% 0.5Watts Square
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Bourns 38
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AUD 1.4497
Multiples of: 1

P160KN-OQC17B10K


Potentiometers 1/5W 10K Ohm 20%
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TT Electronics 38
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AUD 1.6024
Multiples of: 1

3362H-1-253LF


25 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 1.0 Turn Top Adjustment
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Bourns 38
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AUD 1.691
Multiples of: 1

WXD3-12-2W 22K


±5% 22kO - Variable Resistors/Potentiometers ROHS
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Guosheng 38
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AUD 1.7681
Multiples of: 1

R16156NG-KA15D6.5-B203-000


Plugin Variable Resistors/Potentiometers ROHS
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CTR 33
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AUD 0.7256
Multiples of: 1

GF063P1-B103


Precision Potentiometer 10KOhms ±20% ±100ppm/℃ GF063P1 RoHS
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Tokyo Cosmos 29
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AUD 0.2946
Multiples of: 5

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