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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3223W-1-501


Trimmer Resistors - SMD 500 OHM 3mm 20%
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Bourns 8
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AUD 3.1851
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PTE45-151A-103B1


Slide Potentiometers 10K LINEAR 20%
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Bourns 8
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AUD 6.0254
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M-22S10 20K


Precision Potentiometers 3600 electrical angle, 2 W, 20 k resistance, manual ten turn wirewound, .2% linearity, 22mm diameter, solder lug terminals, 9mm threaded bushing
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Nidec Copal 8
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AUD 24.2493
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578001890600002


SPEED & POSITION-INDL POTENTIOMETERS
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Honeywell 8
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AUD 30.9711
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3547S-1BB-103A


Precision Potentiometers PRECISION POT-78" 22MM DIA 3T WW
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Bourns 8
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AUD 32.4582
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CLU1052E


Res POT 1M Ohm 2W 1(Elec)/1(Mech)Turn 6.35mm (31.78 X 29.4mm) Solder Lug Panel Mount
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Ohmite 8
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AUD 33.8993
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CMU7511E


Res POT 750 Ohm 2W 1(Elec)/1(Mech)Turn 6.35mm (38.1 X 29.4mm) Solder Lug Panel Mount
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Ohmite 8
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AUD 34.6269
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CMU2521E


Res POT 2.5K Ohm 2W 1(Elec)/1(Mech)Turn 6.35mm (38.1 X 29.4mm) Solder Lug Panel Mount
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Ohmite 8
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AUD 34.7403
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3057Y-1-503


50 kOhms 1W PC Pins Chassis Mount Trimmer Potentiometer Wirewound 22.0 Turn Side Adjustment
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Bourns 8
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AUD 35.1179
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534B1103JC8872


Precision Potentiometers 10K 5% 7/8" MULTITURN WW POT
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Vishay 5
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AUD 31.8056
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