About Potentiometers, Trimmers & Rheostats

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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12PESA105MA25B


12PESA105MA25B POTENTIOMETER
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Meggitt 485
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USD 4.2647
Multiples of: 1

BNS3590S-1-501


BNS3590S-1-501 500R 10T SOLDER LUG
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Bourns 485
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USD 7.9842
Multiples of: 1

W3296X-1-501


500R TRIMPOT MULTI TURN TRIMMER HORZ/SIDE ADJ
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Netech 480
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USD 0.27
Multiples of: 1

W3296Y-1-105


1M TRIMPOT MULTI TURN TRIMMER VERT/TOP ADJ OFFSET PI
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Netech 478
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USD 0.2872
Multiples of: 1

W3386P-1-204


200K TRIMPOT SINGLE TURN TRIMMER VERT/TOP ADJ
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Netech 475
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USD 0.1988
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Hot 3006P-1-103


10 kOhms 0.75W, 3/4W PC Pins Through Hole Trimmer Potentiometer Cermet 15.0 Turn Side Adjustment
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Bourns 471
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USD 1.2413
Multiples of: 1

W3296Y-1-205


2M TRIMPOT MULTI TURN TRIMMER VERT/TOP ADJ OFFSET PI
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Bourns 459
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USD 0.2785
Multiples of: 1

W3296X-1-504


500K TRIMPOT MULTI TURN TRIMMER HORZ/SIDE ADJ
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Netech 458
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USD 0.2381
Multiples of: 1

W3296W-1-101


100R TRIMPOT MULTI TURN TRIMMER VERT/TOP ADJ STRT PINS
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Netech 455
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USD 0.2727
Multiples of: 1

433PW/203K


20K TRIMPOT 18 TURN TRIMMER HORIZ/SIDE ADJUST
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Meggitt 438
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USD 0.3632
Multiples of: 1

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