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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PTV112-1417A-A103


Potentiometers PANEL CONTROL
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Bourns 392
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AUD 1.4924
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91A1D-B24-B18L


Potentiometers PANEL CONTROL - 5/8" (16MM) ST-CP
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Bourns 392
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AUD 8.3955
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TSM4YL501KB25


500 Ohms 0.25W, 1/4W Gull Wing Surface Mount Trimmer Potentiometer Cermet 13.0 Turn Top Adjustment
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Vishay 392
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AUD 10.0642
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MMP121


Switch Slide ON ON SPDT Top Slide 0.1A 30VDC 15000Cycles PC Pins Thru-Hole
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Knitter-Switch 391
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AUD 1.3437
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MFP140-R


Switch Slide Side Slide 0.3A 30VDC 10000Cycles PC Pins Thru-Hole Bag
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Knitter-Switch 391
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AUD 1.47
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93PR500KLF


500 kOhms 1W PC Pins Through Hole Trimmer Potentiometer Cermet 1.0 Turn Top Adjustment
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TT Electronics 391
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AUD 2.9388
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3214J-2-102E


Trimmer Resistors - SMD 4MM SQ 1KOHMS 10% 5TURN
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Bourns 391
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AUD 3.2308
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PT10MH01-106A2020-S


Trimmer Resistors - Through Hole 10mm carbon through hole potentiometer Horizontal adjustment resistive value 10M Ohm linear taper tolerance 20%
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Amphenol 371
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AUD 0.5713
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3214W-1-500E


Trimmer Resistors - SMD 4MM 50 OHMS 10% 5Turn
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Bourns 366
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AUD 1.9701
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T63YB204KT20


200 kOhms 0.25W, 1/4W PC Pins Through Hole Trimmer Potentiometer Cermet 15.0 Turn Top Adjustment
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Vishay 343
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AUD 3.2672
Multiples of: 1

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