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-K415K-503B


Bourns 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 : 769
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USD 0.7491

Multiples of: 1

3314G-2-502E


Bourns Trimmer Resistors - SMD 4mm SQ 5K
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Bourns Availability : 769
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USD 0.7931

Multiples of: 1

68XR50KLF


Trimmer Resistors - Through Hole 3/8" Squ 50K 10%
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TT Electronics Availability : 769
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USD 1.0725

Multiples of: 1

RV16AF-10-15R1-B25K-3DLA


Potentiometers Linear B25K Solder Lugs
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Alpha Taiwan Availability : 768
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USD 0.913

Multiples of: 1

3296Y-1-204LF


Trimmer Resistors - Through Hole 3/8" 200Kohms Sealed Vertical Adjust
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Bourns Availability : 768
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USD 1.221

Multiples of: 1

3296W-1-104RLF


Res Cermet Trimmer 100K Ohm 10% 1/2W 25(Elec)Turn 2.19mm (9.53 X 4.83 X 11.55mm) Pin Thru-Hole T/R
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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 : 768
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USD 1.738

Multiples of: 1

PC16SV-10IP06-253A-2020


Potentiometers 25KOHMS BLK SQ
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Amphenol Availability : 768
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USD 2.1566

Multiples of: 1

64XR20LF


BI Technologies TT Electronics Trimmer Resistors - Through Hole 14" Squ 20 10%
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TT Electronics Availability : 768
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USD 2.2176

Multiples of: 1

RV09AF-40-20K-A13


Potentiometers Audio 9mm 1K
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Alpha Taiwan Availability : 767
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USD 0.5452

Multiples of: 1

64YR20KLF


Trimmer Resistors - Through Hole 6.35MM 1/4" 12-TURN SEALED
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TT Electronics Availability : 767
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USD 1.364

Multiples of: 1

PDB181-E415K-104A2


Bourns Potentiometers PANEL CONTROL 17MM-ST-CARBON
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Bourns Availability : 766
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USD 0.7106

Multiples of: 1

Hot 3386H-1-601LF


Trimmer Resistors - Through Hole 3/8IN 600 OHMS 10% 0.5Watts Square
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Bourns Availability : 766
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USD 0.775

Multiples of: 1

PTA3043-2010CIA503


Slide Potentiometers 10mm Shaft 50K Ohms Sgl Gang Ins Lev Aud
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Bourns Availability : 766
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USD 1.0923

Multiples of: 1

PTV09A-2020F-B502


Potentiometers PANEL CONTROL - 9MM-ST-CARBON 5 kohms 20 mm
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Bourns Availability : 765
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USD 0.4862

Multiples of: 1

67WR200KLF


200 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 20.0 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 : 765
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USD 0.9064

Multiples of: 1

RV120F-20-15F-A50K-0075


Potentiometers Audio D-Shaft 50K
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Alpha Taiwan Availability : 765
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USD 1.012

Multiples of: 1

PTV09A-4020F-A203


20k Ohm 1 Gang Logarithmic Through Hole, Snap In Potentiometer None 1.0 Kierros Carbon 0.05W, 1/20W PC Pins, Board Locks
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Bourns Availability : 764
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USD 0.4895

Multiples of: 1

PTV09A-2020U-A102


Res Carbon Film POT 1K 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 : 764
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USD 0.517

Multiples of: 1

67WR500LFTB


Trimmer Resistors - Through Hole 1/2W 500 Ohms 10% MULTI TURN
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TT Electronics Availability : 764
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USD 0.9504

Multiples of: 1

3314J-2-203E


20 kOhms 0.25W, 1/4W J Lead Surface Mount 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.

Bourns Availability : 761
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USD 0.7495

Multiples of: 1

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