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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73JA25K


Precision Potentiometers 25K Ohm 5% 2W 10 Turn 6.35mm
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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.

Honeywell 0
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USD 127.719
Multiples of: 1

RHL750E


Rheostats 25watt 750ohm 500V Locking Shaft
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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.

Ohmite 0
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USD 128.2865
Multiples of: 1

J4F2-352


Rheostats RHEOSTAT
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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.

Ohmite 0
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USD 128.6217
Multiples of: 1

GS1G032P102UA


Potentiometers RESISTIVE & OPTICAL
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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.

Honeywell 0
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USD 128.8386
Multiples of: 5

DW22-10-1K


Precision Potentiometers 2W 1Kohms 5%
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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.

ETI Systems 0
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USD 129.4737
Multiples of: 1

70B1G040K251W


Potentiometers RESISTIVE & OPTICAL
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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.

Honeywell 0
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USD 129.8674
Multiples of: 1

RGS50RE


Ohmite Rheostats 75watt 50ohm 900V Std Shaft
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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.

Ohmite 0
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USD 130.2525
Multiples of: 1

7216R500L.1


Precision Potentiometers
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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.

TT Electronics 0
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USD 131.0119
Multiples of: 14

392550M7183


Potentiometers RESISTIVE & OPTICAL
Icon ROHS
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.

Honeywell 0
6 to 16 Weeks Calender.png

USD 132.4087
Multiples of: 1

J-250-F2-352


Ohmite Rheostats
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Ohmite 0
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USD 132.7104
Multiples of: 10

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