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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PTV09A-4020F-B105


Bourns Slide Potentiometers PANEL CONTROL 9MM-ST-CARBON
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Bourns 821
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AUD 0.8048
Multiples of: 1

PDB12-H2201-103BF


Potentiometers 10K LINEAR 12MM
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Bourns 821
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AUD 0.9498
Multiples of: 1

67WR50KLF


Trimmer Resistors - Through Hole 3/8" Squ 50K 10%
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TT Electronics 820
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AUD 1.4789
Multiples of: 1

R16148-1A-2-A1K


Potentiometer: shaft; single turn; 1kO; 63mW; ±20%; THT; 6mm; metal
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SR Passives 819
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AUD 0.3178
Multiples of: 1

PTV09A-4020S-B104


Bourns Potentiometers PANEL CONTROL 9MM-ST-CARBON
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Bourns 819
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AUD 0.7438
Multiples of: 1

RV24AF-10D2-15R1-A10K-2LA


Potentiometers Audio Rnd-Shaft 10K Solder Lug
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Alpha Taiwan 819
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AUD 1.7286
Multiples of: 1

72PR200LF


Trimmer Resistors - Through Hole 3/8" Squ 200 10%
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TT Electronics 819
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AUD 1.8648
Multiples of: 100

PTD902-2015F-B103


Bourns Potentiometers 10K LINEAR
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Bourns 819
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AUD 2.427
Multiples of: 1

RK0971210Z2M


Potentiometers 20 KOhms 20%
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ALPS 819
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AUD 2.9159
Multiples of: 1

WH06-1C-105(1M)


±25% 100mW 1MΩ Plugin Variable Resistors/Potentiometers ROHS
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Guosheng 818
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AUD 0.0741
Multiples of: 10

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