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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AD5274BCPZ-100-RL7


Digital Potentiometer 100k Ohm 1 Circuit 256 Taps I²C Interface 10-LFCSP-WD (3x3)
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Analog Devices 145
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AUD 5.54
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RJR24FP200P


TRIMMER-3/8in SQMT CERMET M
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Bourns 145
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AUD 12.8899
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WI-11-203


±10% 500mW 20kΩ Plugin Variable Resistors/Potentiometers ROHS
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Guosheng 144
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AUD 1.6968
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3386V-1-205LF


Trimmer Resistors - Through Hole 3/8" 2Mohms 10% 0.5Watts Square
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Bourns 144
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AUD 1.625
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PS30L-R01BR20KN


Slide Potentiometers 20K ohm 20% Red Slide Potentiometer
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TT Electronics 144
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AUD 2.2
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3009P-1-203


Trimmer Resistors - Through Hole 20Kohms 10% 34inch rectangular
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Bourns 144
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AUD 3.1687
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PC16BU-100K-LIN


Potentiometer: shaft; single turn; 100kΩ; ±20%; 0.25W; linear; 4mm
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Omeg 138
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AUD 4.8707
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M63X103KB30T607


Trimmer Resistors - Through Hole 3/8"SQ 10Kohms 10% Single Turn Cermet
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Vishay 126
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AUD 9.3418
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3339P-1-101LF


100 Ohms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 4.0 Turn Top Adjustment
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Bourns 110
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AUD 4.3836
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3339W-1-102LF


1 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 4.0 Turn Side Adjustment
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Bourns 61
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AUD 6.1403
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