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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3386Y-1-502LF


Bourns Trimmer Resistors - Through Hole 38" 5Kohms 10% 0.5Watts Square
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Bourns 341
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AUD 1.3154
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PTL20-10G0-204B2


Slide Potentiometers 200Kohms Travel=20mm
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Bourns 341
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AUD 2.8269
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270X232A253B1A1


Potentiometers 25Kohms 20% Linear No Switch
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CTS 341
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AUD 4.2537
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78PR1KLF


BI Technologies TT Electronics Trimmer Resistors - Through Hole 32mm 22 Turn 1K ohm
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TT Electronics 341
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AUD 4.7448
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M63P102KB40


Trimmer Resistors - Through Hole 3/8"SQ 1Kohms 10% Single Turn Cermet
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Vishay 341
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AUD 5.9433
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RK14K1220F25C0C104


ALPS Potentiometers
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ALPS 340
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AUD 1.5893
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35WR50KLFTR


Trimmer Resistors - SMD 50K OHM 3MM ST CERM
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TT Electronics 340
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AUD 0.4826
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PTD901-2020K-B503


Bourns Potentiometers 50K LINEAR
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Bourns 329
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AUD 1.7567
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PTA6043-2215DPB103


Slide Potentiometers 10K LINEAR
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Bourns 323
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AUD 1.8716
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PS15NV60-103A3030-PM


Trimmer Resistors - SMD 10K ohm +/-30% 50% Wiper Position
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Amphenol 316
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AUD 1.2149
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