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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3292L-1-103MLF


Bourns Trimmer Resistors - Through Hole 38" 10Kohms Sealed 10% Panel Mount
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Bourns 234
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AUD 31.9821
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140B00203


Precision Potentiometers 1/2" WW 20Kohms Single Bushing Mt
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Vishay 137
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AUD 114.6463
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PTR901-2015F-A104


Potentiometers PANEL CONTROLS
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Bourns 136
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AUD 3.2015
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PDB181-E415P-105A2


Potentiometers PANEL CONTROL 17MM-ST-CARBON
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Bourns 136
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AUD 1.2051
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WI-11-504


±10% 500mW 500kΩ Plugin Variable Resistors/Potentiometers ROHS
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Guosheng 136
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AUD 1.6968
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3386T-1-500LF


Trimmer Resistors - Through Hole 38IN 50 OHMS 10% 0.5Watts Square
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Bourns 136
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AUD 1.625
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Hot 3299P-1-502


Trimmer Resistors - Through Hole 5Kohms Standoffs Horizontal Adjust
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Bourns 136
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AUD 3.6612
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575SX1A48S102SS


Potentiometers 1K Ohm 20% 1/2W 6.35mm
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Honeywell 136
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AUD 17.2575
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PE30L0FR103MAB


10k Ohm 1 Gang Linear Panel Mount Potentiometer None 1.0 Kierros Cermet 3W Solder Lug
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Vishay 100
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AUD 46.3463
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P160KN-OQC17B10K


Potentiometers 1/5W 10K Ohm 20%
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TT Electronics 38
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AUD 1.6024
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