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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3361S-1-504GLF


Trimmer Resistors - SMD 1/4" SQ 500K 10% 0.5WATTS
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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 0.8387

Multiples of: 500

RV24BF-10-15R1-B5K


Potentiometers Linear 5K Solder Lugs
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Alpha Taiwan Availability : 987
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USD 2.189

Multiples of: 1

R16148D-1A-2-B2K2


Potentiometer: shaft; single turn; 2.2kO; 125mW; ±20%; THT; 6mm
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SR Passives Availability : 986
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USD 0.2002

Multiples of: 1

PT15LH05504A2020S


Potentiometer: mounting; single turn, vertical; 500kO; 150mW; ±30%
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Amphenol Availability : 985
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USD 0.3248

Multiples of: 1

PTL20-15G1-203B2


Slide Potentiometers 20Kohms Travel=20mm Center Detent
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Bourns Availability : 985
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USD 1.276

Multiples of: 1

PTA4543-2010CPB103


Slide Potentiometers 10MM SHAFT NO DET 45MM STRK SNG LIN
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Bourns Availability : 984
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USD 1.045

Multiples of: 1

PDB182-K215K-503B


Potentiometers PANEL CONTROL - 17MM-ST-CARBON
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Bourns Availability : 984
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USD 1.133

Multiples of: 1

RV16AF-10-15R1-B10K


Potentiometers Linear B10K
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Alpha Taiwan Availability : 982
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USD 0.737

Multiples of: 1

T73YE502KT20


Trimmer Resistors - Through Hole 1/4"SQ V/ADJ 5K
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Vishay Availability : 982
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USD 0.7403

Multiples of: 1

72PR1KLFTB


Trimmer Resistors - Through Hole 1K ohm 10% Single Turn
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TT Electronics Availability : 981
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USD 1.1487

Multiples of: 50

PDB181-E415K-105A2


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 : 980
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USD 0.7106

Multiples of: 1

PTV09A-4025S-A203


Potentiometers PANEL CONTROL - 9MM-ST-CARBON 20 kohms 25 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 : 979
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USD 0.4752

Multiples of: 1

RV16AF-20-15K-A1K-3LA


Potentiometers Audio Knurled 1K PC Mount
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Alpha Taiwan Availability : 978
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USD 0.737

Multiples of: 1

ST-32ETA500


50 Ohms 0.125W, 1/8W J Lead Surface Mount Trimmer Potentiometer Cermet 1.0 Turn Top Adjustment
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Nidec Copal Availability : 978
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USD 0.8293

Multiples of: 1

PTA4553-2015DPB502


Slide Potentiometers 15MM SHAFT NO DET 45MM STRK SNG LIN
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Bourns Availability : 978
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USD 1.0901

Multiples of: 1

363P500


Res Cermet Trimmer 500 Ohm 10% 0.5W(1/2W) 1(Elec)/1(Mech)Turn 3.81mm (9.53 X 9.53 X 4.83mm) Pin Thru-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.

Honeywell Availability : 978
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USD 1.4831

Multiples of: 1

PDB181-K420K-504B


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 : 977
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USD 0.7106

Multiples of: 1

67PR25KLF


BI Technologies TT Electronics Trimmer Resistors - Through Hole 38" Squ 25K 10%
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TT Electronics Availability : 977
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USD 1.89

Multiples of: 1

T73XH103KT20


Vishay Sfernice Trimmer Resistors - Through Hole 14"SQ HADJ 10K
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Vishay Availability : 976
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USD 0.8517

Multiples of: 1

PV37W202C01B00


Trimmer Resistors - Through Hole 2.0Kohms Sealed 6mm SQ 12turn
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Bourns Availability : 976
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USD 0.8684

Multiples of: 100

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