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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PTV09A-4225F-B203


20k Ohm 1 Gang Linear Through Hole, Snap In Potentiometer Detent 1.0 Kierros Carbon 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.

Bourns Availability : 996
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USD 0.517

Multiples of: 1

RK11K1140A23


Res POT 10K Ohm 20% 0.05W(1/20W) 1(Elec)/1(Mech)Turns 6mm Pin Panel Mount/Bracket 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.

ALPS Availability : 996
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USD 0.5461

Multiples of: 1

25PR1KLF


1 kOhms 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 : 996
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USD 1.0025

Multiples of: 50

PTL30-10R0-103B2


Bourns Slide Potentiometers 10Kohms Travel=30mm
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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 Availability : 996
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USD 1.311

Multiples of: 1

3296W-1-104ALF


Trimmer Resistors - Through Hole 38" 100Kohms Sealed Vertical 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.

Bourns Availability : 996
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USD 1.633

Multiples of: 1

PTV09A-2020F-A503


Potentiometers PANEL CONTROL - 9MM-ST-CARBON 50 kohms 20 mm
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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 Availability : 994
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USD 0.4895

Multiples of: 1

67YR100LF


Trimmer Resistors - Through Hole 3/8" Squ 100 10%
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TT Electronics Availability : 994
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USD 0.8723

Multiples of: 1

RK09L12D0A1T


ALPS Potentiometers Flat 20mm 10k
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ALPS Availability : 994
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USD 1.1525

Multiples of: 25

3296W-1-201LF


Trimmer Resistors - Through Hole 3/8IN 200 OHM Sealed Vertical 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.

Bourns Availability : 993
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USD 0.4867

Multiples of: 1

PTV111-2425A-B104


Potentiometers 100K 20% 12mm Snap In
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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 Availability : 993
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USD 0.7634

Multiples of: 1

3269W-1-200LF


Trimmer Resistors - SMD 1/4" 20ohms 10% Vertical 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.

Bourns Availability : 993
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USD 2.599

Multiples of: 1

68XR20KLF


Trimmer Resistors - Through Hole 3/8" Squ 20K 10%
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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 : 992
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USD 1.0725

Multiples of: 1

RS45111A900F


Slide Potentiometers Metal Lever Snap-in 45mm Travel
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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.

ALPS Availability : 991
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USD 1.2054

Multiples of: 1

RV24A01F-10-15R1-B5K-3LA


Potentiometers Linear W/SW 5K Solder Lugs
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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.

Alpha Taiwan Availability : 991
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USD 1.98

Multiples of: 1

CB10LV475N


Trimmer Resistors - Through Hole CB10V 4M7
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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.

TE Connectivity Availability : 990
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USD 0.1518

Multiples of: 1000

1-1630480-7


Trimmer Resistors - Through Hole CB10V 4M7
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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.

TE Connectivity Availability : 990
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USD 0.1518

Multiples of: 1000

P0915N-FC20BR50K


Res Conductive Plastic POT 50K Ohm 20% 1/20W 1(Elec)/1(Mech)Turn 6mm Pin 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.

TT Electronics Availability : 990
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USD 1.243

Multiples of: 1

RV16AF-20-15S1-A10K


Potentiometers Audio Screwdvr 10K PC 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.

Alpha Taiwan Availability : 988
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USD 0.737

Multiples of: 1

RK09L1240-F20-C1-B103


Potentiometers dual unit, vertical; with center detent (refer to catalog for options)
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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.

ALPS Availability : 988
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USD 1.903

Multiples of: 1

Hot 3313J-1-501E


Bourns Trimmer Resistors - SMD 3mm 500 OHM Vertical 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.

Bourns Availability : 987
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USD 0.5206

Multiples of: 1

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