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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RTR22DP202M


Trimmer Resistors - Through Hole 50ppm 2Kohms 25 TURN NOM.
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Bourns 5
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AUD 95.9888
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RA30LASB500A


Potentiometers 4W, 50 Ohm, -10% 15.88mm SlottedShaft
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Honeywell 5
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AUD 100.2604
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FVR100W-500R


Potentiometer: shaft; single turn; 500O; 100W; ±10%; 6mm; wirewound
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SR Passives 5
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AUD 102.6597
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7070E


Ohmite Potentiometer Tools & Hardware REPAIRKIT MODEL P
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Ohmite 5
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AUD 105.1866
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58C11500


Potentiometers 1.5 K Ohms 5% 4W Solder Lug
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Honeywell 5
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AUD 117.02
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RJS250


RJS250
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Ohmite 5
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AUD 171.9571
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REE100


Rheostats 12.5watt 100ohm 305V Enclosed
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Ohmite 5
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AUD 214.403
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RHL5R0E


Rheostat - 5 Ohm - 25W - Open Core.
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Ohmite 5
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AUD 250.3741
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AR10KL.25


BI Technologies TT Electronics Precision Potentiometers 1-1316" 10K OHM 10 TURN
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TT Electronics 5
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AUD 271.0075
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6574S-1-502


Precision Potentiometers 5K 10% Servo Mnt
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Bourns 2
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AUD 235.3015
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