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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6639S-1-203


Precision Potentiometers 20K 15% Bushing Mnt
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Bourns 64
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AUD 23.1657
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6187R20KL1.0


Potentiometers 7/8" 20K OHM
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TT Electronics 64
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AUD 27.6478
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157-11102


Precision Potentiometers 7/8"RD 1KOHMS Bush.Mt Metal Housed
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Vishay 64
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AUD 35.791
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MW22B-10-20K


Precision Potentiometers 2W 20Kohms 5%
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ETI Systems 64
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AUD 41.6194
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3549S-1AE-102A


1k Ohm 1 Gang Linear Servo Mount Potentiometer None 10.0 Kierros Wirewound 2W Solder Lug
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Bourns 64
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AUD 42.9985
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3543S-1-502L


Precision Potentiometers 7/8"WW 5KOHMS 0.25% 3TURNS
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Bourns 64
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AUD 47.1358
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3540S-91-103L


PRECISION POT-7/8 22MM DIA
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Bourns 64
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AUD 62.4515
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140-0-0-103


Precision Potentiometers 1/2" WW 10Kohms Single Bushing Mt
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Vishay 64
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AUD 106.6015
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PT15NV18-205A2020


Trimmer Resistors - Through Hole 2Mohms 15mm Rnd
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Amphenol 64
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AUD 0.9703
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3006Y-1-102LF


1 kOhms 0.75W, 3/4W PC Pins Through Hole Trimmer Potentiometer Cermet 15.0 Turn Side Adjustment
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Bourns 64
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AUD 1.6388
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