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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3364X-1-203E


Trimmer Resistors - SMD 20Kohms 25% 4mm Square
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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 970
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USD 0.4167
Multiples of: 1

W3386H-1-103T


10K TRIMPOT SINGLE TURN TRIMMER HOR/SIDE ADJ WT THB/WH
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Netech 966
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USD 0.2466
Multiples of: 1

W3266Y-1-201


200R TRIMPOT MULTI TURN TRIMMER
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Netech 965
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USD 0.8135
Multiples of: 1

3296Y-1-503


3296Y-1-503 3/8"SQ 25TRN TOPADJ
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Bourns 956
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USD 0.666
Multiples of: 1

VTL1M


1M TRIMPOT TOP ADJ KVSF637A TRIMMER VERTICAL/TOP 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 936
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USD 0.0855
Multiples of: 1

W3386F-1-103T


10K SINGLE TURN THUMB WHEEL TRIMMER VERT/TOP THUMB WHEEL A
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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 935
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USD 0.2601
Multiples of: 1

VTL200K


200K TRIMPOT TOP ADJ KVSF637A TRIMMER VERTICAL/TOP ADJ
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Netech 921
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USD 0.075
Multiples of: 1

Hot 3306K-1-202


Trimmer Resistors - Through Hole 2K 25% 6mm Single Turn
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Bourns 903
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USD 0.2043
Multiples of: 1

HTL50K


50K TRIMPOT SIDE ADJ KVSF639A TRIMMER HORIZ/SIDE ADJUST
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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 892
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USD 0.0595
Multiples of: 1

W3386P-1-104


100K TRIMPOT SINGLE TURN TRIMMER VERT/TOP ADJ
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Netech 888
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USD 0.6442
Multiples of: 1

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