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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RV170SF-10-20K-A5K-0021


Potentiometers Audio W/SW Knurled 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 : 1006
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USD 1.287

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PTL20-10O0-103B2


Slide Potentiometers 10Kohms Travel=20mm
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Bourns Availability : 1005
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USD 1.298

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M64W204KB40


200 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 21.0 Turn Top Adjustment
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Vishay Availability : 1004
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USD 1.6359

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PTV09A-2020S-B104


Potentiometers PANEL CONTROL - 9MM-ST-CARBON 100 kohms 20 mm
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Bourns Availability : 1002
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USD 0.4829

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67YR2KLFTB


BI Technologies TT Electronics Trimmer Resistors - Through Hole 12W 2K Ohms 10% MULTI TURN
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TT Electronics Availability : 1002
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USD 0.9262

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PTA6043-2010CIB502


Slide Potentiometers 5K LINEAR
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Bourns Availability : 1002
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USD 1.0945

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PTV09A-4030F-A102


Bourns Potentiometers PANEL CONTROL 9MM-ST-CARBON
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Bourns Availability : 1001
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USD 0.4829

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PDB181-E415P-104A2


Potentiometers PANEL CONTROL 17MM-ST-CARBON
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Bourns Availability : 1001
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USD 0.7106

Multiples of: 1

PT15LH06-204A2020


Trimmer Resistors - Through Hole 200Kohms 15mm Rnd
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Amphenol Availability : 999
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USD 0.481

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PDB181-K420F-103C


Potentiometers PANEL CONTROL 17MM-ST-CARBON
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Bourns Availability : 999
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USD 0.6875

Multiples of: 1

PVG3G500C01R00


Trimmer Resistors - SMD 50 Ohm 20% 1/4W
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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.

Murata Availability : 999
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USD 0.693

Multiples of: 1

PTV09A-2030F-A103


Potentiometers PANEL CONTROL - 9MM-ST-CARBON 10 kohms 30 mm
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Bourns Availability : 999
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USD 0.6985

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4114902470


Potentiometers Conductiv-Pot
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Kyocera AVX Availability : 999
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USD 28.5802

Multiples of: 1

PT6KH-502A2020-PM


Trimmer Resistors - Through Hole 6mm carbon through hole potentiometer, Horizontal adjust, 5K Ohm resistive value, linear taper, tolerance 20%, screwdriver adjust
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Amphenol Availability : 998
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USD 0.3222

Multiples of: 1

RS6011Y19004


ALPS Slide Potentiometers 10 KOhms 20% THT W SNAP-IN MNT
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ALPS Availability : 998
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USD 2.4424

Multiples of: 1

T67W-20K


Potentiometer: mounting; multiturn; 20kO; 250mW; ±10%; linear
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SR Passives Availability : 997
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USD 0.308

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PVG3A105C01R00


Trimmer Resistors - SMD 1.0Mohms Sealed 3mm Sngl turn
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Bourns Availability : 997
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USD 0.6086

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67WR2KLFTB


Trimmer Resistors - Through Hole 1/2W 2K Ohms 10% MULTI TURN
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TT Electronics Availability : 997
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USD 0.9504

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R16148-1A-1-B2K2


Potentiometer: shaft; single turn; 2.2kO; 125mW; ±20%; on cable
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SR Passives Availability : 996
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USD 0.2002

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PT6KV-102A2020


Trimmer Resistors - Through Hole 1Kohms 6mm Rnd Top adj
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Amphenol Availability : 968
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USD 0.2394

Multiples of: 1

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