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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PDB181-P415K-103B


Potentiometers PANEL CONTROL - 17MM-ST-CARBON
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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 : 970
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USD 0.605

Multiples of: 50

RA2043F-20-10EB1-A5K


Slide Potentiometers 20mm TRVL AUDIO 5K 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 : 956
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USD 0.9086

Multiples of: 1

67WR20LF


Trimmer Resistors - Through Hole 3/8" Squ 20 10%
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TT Electronics Availability : 956
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USD 1.0054

Multiples of: 1

RV16A03F-10-15R1-B100K-0030


Potentiometers Linear W/SW 100K
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Alpha Taiwan Availability : 956
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USD 1.265

Multiples of: 1

R16141G0-KA15D6.5-B503-91A


Plugin Variable Resistors/Potentiometers ROHS
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CTR Availability : 955
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USD 0.5428

Multiples of: 1

PTA3043-2010CIB203


Bourns Slide Potentiometers 10mm Shaft 20K Ohms Sgl Gang Ins Lev Lin
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Bourns Availability : 955
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USD 0.8899

Multiples of: 1

PTV111-4420A-B503


Potentiometers 50K LINEAR 20%
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Bourns Availability : 955
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USD 1.111

Multiples of: 1

PVG5A205C03R00


Trimmer Resistors - SMD 2Mohms 5mm 11turn Top Adjust
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Bourns Availability : 955
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USD 2.0596

Multiples of: 1

93PR2MEG


Res Cermet Trimmer 2M Ohm 10% 1W 1(Elec)/1(Mech)Turn 6.35mm (12.7 X 6.35mm) Pin Thru-Hole Box
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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 : 955
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USD 11.419

Multiples of: 1

RA1010N-1H-2016-B50K-000


SMD Potentiometers, Variable Resistors ROHS
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G-Switch Availability : 954
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USD 0.2898

Multiples of: 1

PTV09A-2020F-B503


Res Carbon Film POT 50K Ohm 20% 0.05W(1/20W) 1(Elec)/1(Mech)Turn 6mm (22.4 X 19.3mm) 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.

Bourns Availability : 954
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USD 0.5016

Multiples of: 1

PDB181-K420K-104B


Potentiometers 100K SINGLE
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Bourns Availability : 954
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USD 0.7106

Multiples of: 1

PDB181-E415F-503A2


Bourns Potentiometers PANEL CONTROL 17MM-ST-CARBON
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Bourns Availability : 954
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USD 0.7106

Multiples of: 1

RV16AF-10-20R1-A500K-LA


Potentiometers Audio 500K 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 : 954
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USD 0.8844

Multiples of: 1

RV110F-20E1-15A-A100K-0068


Potentiometers 11mm Audio 100K Flat Shaft
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Alpha Taiwan Availability : 954
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USD 1.0661

Multiples of: 1

PRS14R-10115-103A3


Potentiometers 10K 20% 14MM ROTARY POT
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Bourns Availability : 953
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USD 0.9779

Multiples of: 1

RK08H1230012


Potentiometers Reflow type / Dual-unit / 10k ohm, 15A / 1mm
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ALPS Availability : 953
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USD 1.021

Multiples of: 1

M43P201KB40


200 Ohms 0.75W, 3/4W PC Pins Through Hole Trimmer Potentiometer Cermet 18.0 Turn Side 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.

Vishay Availability : 941
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USD 2.783

Multiples of: 1

84PR50KLFTR


Trimmer Resistors - SMD 6.35MM 14" 12-TURN SEALED
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TT Electronics Availability : 929
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USD 1.925

Multiples of: 1

3386F-1-222LF


Bourns Trimmer Resistors - Through Hole 38" 2.2Kohms 10% 0.5Watts Square
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Bourns Availability : 733
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USD 0.7348

Multiples of: 1

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