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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Availability ⓘ (▲▼)Price(USD) 

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JT30-120-C00


Precision Potentiometers 120 degree electrical angle, 12V DC, sensing single turn optical contactless, 30mm diameter, wire leads
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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.

Nidec Copal 0
6 to 16 Weeks Calender.png

USD 155.0648
Multiples of: 1

RLS25R


Rheostats 150watt 25ohm 1200V 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 155.4313
Multiples of: 1

RLS250


Rheostats 150watt 250ohm 1200V 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 155.4313
Multiples of: 5

MW10B-10-5K


Precision Potentiometers 5K 10Turn 0.4" Wirewound
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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
6 to 16 Weeks Calender.png

USD 156.8183
Multiples of: 1

62JA2500


Precision Potentiometers 2.50 K Ohms 5% 2W Resistor
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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 157.2371
Multiples of: 1

ECO50CBCT502


Res Conductive Plastic POT 5K Ohm 20% 0.2W(1/5W) 1(Elec)/1(Mech)Turn 3.18mm (12.7 X 35.4mm) Turret Panel Mount
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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.

Vishay 0
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USD 158.1414
Multiples of: 10

JA1N032S102UA


Res POT 1K Ohm 10% 2.25W 1(Elec)/1(Mech)Turn 6.35mm (28.58 X 29.36 X 36.91mm) Solder Lug Panel Mount
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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
6 to 16 Weeks Calender.png

USD 158.3463
Multiples of: 1

CR1KL.5


Precision Potentiometers 1-13/16" 1K OHM 3 TURN
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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 158.9104
Multiples of: 15

CR100L.5


Precision Potentiometers 1-1316" 100 OHM 3 TURN
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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
6 to 16 Weeks Calender.png

USD 158.9104
Multiples of: 15

CR100KL.5


Precision Potentiometers 1-1316" 100K OHM 3 TURN
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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
6 to 16 Weeks Calender.png

USD 158.9104
Multiples of: 15

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