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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3386F-1-253


Trimmer Resistors - Through Hole 3/8"SQ 25KOHMS 10% 0.5WATTS
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Bourns 81
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AUD 2.4231
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3266X-1-203


Trimmer Resistors - Through Hole 1/4" 20Kohms 10% SQ W/Standoff Sealed
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Bourns 81
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AUD 4.2262
Multiples of: 10

T63XB503KT20


Trimmer Resistors - Through Hole 1/4"SQ H/ADJ 50K
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AUD 5.7738
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3339P-1-201


Trimmer Resistors - Through Hole 200ohm 516" Rnd 4Turn Cermet
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Bourns 81
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AUD 8.3462
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RJR26FW101R


Trimmer Resistors - Through Hole 100ppm 100ohms 12 TURNS NOM.
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AUD 9.7817
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3262W-1-102


1 kOhms 0.25W, 1/4W PC Pins Through Hole Trimmer Potentiometer Cermet 12.0 Turn Top Adjustment
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AUD 17.7048
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249-8-08-103


Potentiometers 1/2"SQ 1/8"S 10Kohms Cermet
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Vishay 81
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AUD 18.5254
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3590S-291-502L


Bourns Precision Potentiometers PRECISION POT-78" 22MM DIA 10T WW
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Bourns 81
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AUD 18.7698
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3005P-1-101


Trimmer Resistors - Through Hole 100ohms 3/4inch Rectangular Cermet
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Bourns 81
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AUD 22.7183
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3296W-1-102


Trimmer Resistors - Through Hole 3/8" 1Kohms Sealed Vertical Adjust
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Bourns 70
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AUD 3.1254
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First...771772773774775...

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