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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Hot PTC10LV10-502A2020


Trimmer Resistors - Through Hole 5Kohms 10mm Rnd
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Amphenol Availability : 3133
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USD 0.3238

Multiples of: 1

34-1034-2A


Potentiometer Tools & Hardware Hardware Washer-Flat
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TT Electronics Availability : 3125
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USD 0.5212

Multiples of: 1

R16148-1A-1-A1K


Potentiometer: shaft; single turn; 1kO; 63mW; ±20%; on cable; 6mm
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SR Passives Availability : 3118
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USD 0.208

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RK09K1130AV7


ALPS Potentiometers 5 KOhms 30%
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ALPS Availability : 3117
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USD 0.3395

Multiples of: 1

25PR500LF


500 Ohms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 1.0 Turn Top Adjustment
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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 Availability : 3115
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USD 0.7106

Multiples of: 50

89PR2KLF


2 kOhms 0.75W, 3/4W PC Pins Through Hole Trimmer Potentiometer Cermet 20.0 Turn Side Adjustment
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TT Electronics Availability : 3107
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USD 0.9118

Multiples of: 100

T63YB104KT20


Trimmer Resistors - Through Hole 1/4" SQ V/ADJ 100K
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Vishay Availability : 3107
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USD 2.0883

Multiples of: 1

Hot 3296W-1-203LF


Trimmer Resistors - Through Hole 3/8" 20Kohms Sealed Vertical Adjust
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Bourns Availability : 3097
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USD 0.4982

Multiples of: 1

T910X-50K


Potentiometer: mounting; multiturn; 50kO; 500mW; THT; ±10%; linear
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SR Passives Availability : 3074
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USD 0.1864

Multiples of: 1

3203X102P


TE Connectivity Holsworthy Trimmer Resistors - SMD 3203X 1K
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TE Connectivity Availability : 3072
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USD 1.3051

Multiples of: 1

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