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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PT15LV18-504A2020-S


Trimmer Resistors - Through Hole 500Kohms 15mm Rnd Steel Leads
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Amphenol 1879
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AUD 0.596
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P160KNPD-4QC15A5K


Potentiometers 16mm Rotary Panel Potentiometer
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TT Electronics 1879
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AUD 1.2576
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RV120F-10-15F-B500K


Potentiometers Linear D-Shaft 500K
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Alpha Taiwan 1879
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AUD 1.7692
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RV09AF-40-20K-B5K


Potentiometers 9mm Linear 5K
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Alpha Taiwan 1878
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AUD 0.7857
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PS10LV50-473A3030-P08


Trimmer Resistors - SMD
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Amphenol 1876
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AUD 1.3212
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PT10MH2.5-68KA


Trimmer Resistors - Through Hole 68Kohms 10mm Rnd Side adj
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Amphenol 1875
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AUD 0.4212
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3386X-1-223LF


Trimmer Resistors - Through Hole 3/8" 22Kohms 10% 0.5Watts Square
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Bourns 1875
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AUD 1.2234
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3386X-1-224LF


Bourns Trimmer Resistors - Through Hole 38" 220Kohms 10% 0.5Watts Square
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Bourns 1874
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AUD 1.1603
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PT15GV02-474A2020-S


Trimmer Resistors - Through Hole 15mm controlsensor trimmr potentiometer
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Amphenol 1871
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AUD 0.6538
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R9011-1-100K


Potentiometer: shaft; single turn; 100kO; 125mW; ±20%; THT; 6mm
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SR Passives 1870
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AUD 0.7585
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