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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CU3552E


Res POT 3.5M Ohm 2W 1(Elec)/1(Mech)Turn 6.35mm (66.68 X 29.4mm) Solder Lug Panel Mount
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Ohmite 81
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AUD 48.5261
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3682S-1-103L


Precision Potentiometers 10K Ohms Digital +/- 3% tol 1% res
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Bourns 81
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AUD 48.7776
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385518M1813


Potentiometers RESISTIVE & OPTICAL
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Honeywell 81
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AUD 375
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RV4SAYSD103A


Resistors, Variable, Composition, Style RV4
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Honeywell 81
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AUD 375
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RV16AF-20-15S1-A100K


Potentiometers Audio Screwdvr 100K PC Mount
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Alpha Taiwan 80
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AUD 1.1
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PDB181-K420K-204B


Potentiometers 200K SINGLE
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Bourns 80
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AUD 1.1427
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3386X-1-253LF


25 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 1.0 Turn Side Adjustment
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Bourns 80
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AUD 1.1837
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WI-11-104


±10% 500mW 100kΩ Plugin Variable Resistors/Potentiometers ROHS
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Guosheng 80
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AUD 1.6996
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T93XA254KT20


Trimmer Resistors - Through Hole 3/8" SQ H/ADJ 250K
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Vishay 80
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AUD 2.3269
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3362P-1-251LF


Trimmer Resistors - Through Hole TRIMMER - 1/4" SQ ST CERMET
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Bourns 79
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AUD 0.6945
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