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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3549H-1AC-102B


Precision Potentiometers PRECISION POT 1K .1% 7/8" 22MM DIA 10T
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Bourns 51
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AUD 54.9836
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392C2100


Potentiometers POT 100 OMH .5W CONDUCT PLASTIC
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Honeywell 51
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AUD 91.6231
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3329H-1-104


Precision Potentiometer 100KOhms ±10% ±250ppm/℃ 3329H RoHS
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Guosheng 50
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AUD 0.492
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RV16AF-20-15K-A25K-3LA


Potentiometers Audio Knurled 25K PC Mount
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Alpha Taiwan 50
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AUD 1.1
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WI-11-503


±10% 500mW 50kΩ Plugin Variable Resistors/Potentiometers ROHS
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Guosheng 50
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AUD 1.6968
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RK0971310E0Z


±20% 50mW 5kΩ Plugin Variable Resistors/Potentiometers ROHS
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ALPS 50
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AUD 2.3031
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3352K-1-102LF


Trimmer Resistors - Through Hole 3/8"round 1Kohms 0.5watt 20%
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Bourns 50
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AUD 3.3462
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93PR1MEGLF


1 MOhms 1W PC Pins Through Hole Trimmer Potentiometer Cermet 1.0 Turn Top Adjustment
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TT Electronics 50
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AUD 3.5627
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RK11K1140097


Potentiometers Vertical type / Single-unit / 10k ohm, 1B / LM1=22.5mm / With Bushing / With Center Detent
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ALPS 49
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AUD 1.004
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SM-42X100


Trimmer Resistors - SMD 10 W 5mm SMD 11 turn, Gull-wing, top-adjustment
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Nidec Copal 47
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AUD 3.5299
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