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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TC33X-2-201E


Bourns Trimmer Resistors - SMD 3MM 200OHMS 25% 0.1WATT OPEN FRM
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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 : 4937
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USD 0.0738

Multiples of: 5

PT10LV10-103A2020


Trimmer Resistors - Through Hole 10Kohms 10mm Rnd Top adj
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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.

Amphenol Availability : 2387
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USD 0.3773

Multiples of: 1

23AR2KLFTR


Trimmer Resistors - SMD 4MM Squ 2K 10% Sealed
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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 : 1965
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USD 0.8008

Multiples of: 1

3386P-1-251LF


Bourns Trimmer Resistors - Through Hole 38IN 250 OHMS 10% 0.5Watts Square
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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 : 1831
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USD 0.651

Multiples of: 1

PTN10-A01HB20


Precision Potentiometers 10mm vertical 1K ohm hexagonal rotor linear 20% tolerance
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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.

Same Sky Availability : 1830
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USD 0.2651

Multiples of: 1

PT15LH06-101A2020-S


Trimmer Resistors - Through Hole 100ohms 15mm Rnd Steel Leads
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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.

Amphenol Availability : 1828
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USD 0.4119

Multiples of: 1

3306P-1-254


Trimmer Resistors - Through Hole 250K 25% 6mm Single Turn
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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 : 1826
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USD 0.22

Multiples of: 1

PT10MH01-104A2020-P10-S


Trimmer Resistors - Through Hole 10mm carbon through hole potentiometer Horizontal adjustment resistive value 1M Ohm linear taper tolerance 20% 10-detents
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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.

Amphenol Availability : 1825
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USD 0.378

Multiples of: 1

3310C-101-203L


Bourns Potentiometers 9mm 20Kohms Single Cup
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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 : 1825
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USD 1.85

Multiples of: 1

PT6KH-105A2020


Trimmer Resistors - Through Hole 1M Ohms 100Volts 20% 6mm Rnd Side Adj
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Amphenol Availability : 1824
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USD 0.2296

Multiples of: 1

R16148-1A-2-A500K


Potentiometer: shaft; single turn; 500kO; 63mW; ±20%; THT; 6mm
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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.

SR Passives Availability : 1823
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USD 0.2068

Multiples of: 1

PT15LV18-104A2020


Trimmer Resistors - Through Hole 100Kohms 15mm Rnd
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Amphenol Availability : 1823
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USD 0.4796

Multiples of: 1

G32AT-B501


Potentiometer: mounting; single turn; 500Ω; 125mW; SMD; ±20%
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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.

Tocos Availability : 1819
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USD 0.3053

Multiples of: 1

PTC10LH01-502A2020


Trimmer Resistors - Through Hole 5Kohms 10mm Rnd
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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.

Amphenol Availability : 1819
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USD 0.7754

Multiples of: 1

RV120F-10-15F-B5K-0075


Potentiometers Linear D-Shaft 5K
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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 : 1817
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USD 1.353

Multiples of: 1

22AR2KLFTR


Trimmer Resistors - SMD 3MM Square 2K 20% Sealed
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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 : 1815
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USD 1.0857

Multiples of: 1

PT6MH-105A2020


Trimmer Resistors - 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.

Amphenol Availability : 1814
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USD 0.3306

Multiples of: 1

1-1623893-2


Trimmer Resistors - Through Hole
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TE Connectivity Availability : 1814
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USD 0.3837

Multiples of: 1

416MA503P


Trimmer Resistors - Through Hole 416M 50K
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TE Connectivity Availability : 1814
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USD 0.3837

Multiples of: 1

PTA4543-2015CPB103


10 kOhms 0.25W, 1/4W Through Hole Slide Potentiometer Top Adjustment Type
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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 : 1717
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USD 0.979

Multiples of: 1

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