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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PT15NV18-505A3030


Trimmer Resistors - Through Hole 5Mohms 15mm Rnd
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Amphenol 1804
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AUD 0.7635
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PT6MH-105A2020


Trimmer Resistors - Through Hole
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Amphenol 1803
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AUD 0.5013
Multiples of: 1

PT15GH05-474A2020-S


Trimmer Resistors - Through Hole 10mm controlsensor trimmr potentiometer
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Amphenol 1803
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AUD 0.6538
Multiples of: 1

T7YA103MB40


Vishay Sfernice Trimmer Resistors - Through Hole
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Vishay 1802
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AUD 3.9129
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PT10LH01-105A2020


Trimmer Resistors - Through Hole 1Mohms 10mm Rnd Side adj
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Amphenol 1802
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AUD 0.5558
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PT15NV18-303A2020


Trimmer Resistors - Through Hole 30K Ohms 20%
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Amphenol 1802
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AUD 0.8234
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PV36W105C01B00


Trimmer Resistors - Through Hole 1.0Mohms 10mm Square 25turn
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Murata 1799
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AUD 1.2053
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R16148-1A-1-B2K2


Potentiometer: shaft; single turn; 2.2kO; 125mW; ±20%; on cable
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SR Passives 1798
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AUD 0.286
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3386P-1-251LF


Bourns Trimmer Resistors - Through Hole 38IN 250 OHMS 10% 0.5Watts Square
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Bourns 1794
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AUD 1.078
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3266W-1-201


Precision Potentiometer 200Ohms ±10% ±250ppm/℃ 3266W RoHS
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Guosheng 1455
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AUD 0.264
Multiples of: 5

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