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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R16148-1A-1-A22K


Potentiometer: shaft; single turn; 22kO; 63mW; ±20%; on cable; 6mm
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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.

SR Passives Availability : 2757
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USD 0.2268

Multiples of: 1

PT10LV10-221A2020-S


Trimmer Resistors - Through Hole
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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.

Amphenol Availability : 2756
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USD 0.286

Multiples of: 1

EVU-F2MFL3B24


20k Ohm 1 Gang Linear Panel Mount Potentiometer None 1.0 Kierros 0.05W, 1/20W PC Pins, Board Locks
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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.

Panasonic Availability : 2734
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USD 0.7043

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82PR100KLF


Trimmer Resistors - Through Hole 6.35MM 1/4" SINGLE-TURN SEALED
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TT Electronics Availability : 2734
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USD 0.7712

Multiples of: 1

TS4YL203MR10


Trimmer Resistors - SMD 4mm GULL WING 20K
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Vishay Availability : 2729
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USD 1.1112

Multiples of: 1

P120KGP-F20BR100K


Res Conductive Plastic POT 100K Ohm 20% 0.05W(1/20W) 1(Elec)/1(Mech)Turn 6mm (14.2 X 16.35 X 24.4mm) Pin Bracket Mount/Through Hole
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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 : 2726
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USD 0.7912

Multiples of: 1

PT10YV10-502A2020----------5-CR---S


Trimmer Resistors - Through Hole 5Kohms 10mm #5 THUMBWHEEL/CREAM
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Amphenol Availability : 2722
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USD 0.5387

Multiples of: 1

X22205CAAF


Switch Slide DPDT Top Slide 16A 300VAC PC Pins Panel Mount/Through Hole
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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.

Bulgin Availability : 2716
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USD 2.6424

Multiples of: 1

3362W-1-100LF


Trimmer Resistors - Through Hole 1/4IN SQ 10 OHMS 10% 0.5WATTS
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Bourns Availability : 2711
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USD 0.188

Multiples of: 5

RA6043F-20-10EB1-B14


Slide Potentiometers 60mm TRVL Linear 10K PC Mount
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Alpha Taiwan Availability : 2705
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USD 1.2257

Multiples of: 1

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