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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PTC10LV10-254A2020


Trimmer Resistors - Through Hole 250Kohms 10mm Rnd
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Amphenol 1507
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AUD 1.2308
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5206807-3


TE Connectivity SLIDE LOCK POST, ZN
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TE Connectivity 1506
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AUD 2.8402
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23BR500KLFTR


Trimmer Resistors - SMD 4MM Squ 500K 10% Sealed
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TT Electronics 1504
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AUD 1.0245
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PV37W201C01B00


Trimmer Resistors - Through Hole 200ohms Sealed 6mm SQ 12turn
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Murata 1504
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AUD 2.4038
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25PR200LF


Trimmer Resistors - Through Hole 1/4" Squ 200 10%
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TT Electronics 1503
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AUD 1.2396
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3224X-1-503E


50 kOhms 0.25W, 1/4W Gull Wing Surface Mount Trimmer Potentiometer Cermet 12.0 Turn Top Adjustment
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Bourns 1503
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AUD 3.2831
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R0141-2-20K


Potentiometer: mounting; single turn, horizontal; 20kO; 30mW; ±20%
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SR Passives 1502
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AUD 0.3689
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PTC10MV10-203A2020


Trimmer Resistors - Through Hole 10 mm - ceramic potentiometer tht
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Amphenol 1501
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AUD 1.1323
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PT15NH06-205A2020-S


Trimmer Resistors - Through Hole 2Mohms 15mm Rnd
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Amphenol 1500
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AUD 0.6538
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TSM4ZJ503KR10


Vishay Sfernice Trimmer Resistors - SMD 50Kohms 10%
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Vishay 1500
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AUD 7.9615
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