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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Hot PT10LV10-253A2020-S


Trimmer Resistors - Through Hole 25Kohms 10mm Rnd Top adj Steel Lead
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Amphenol Availability : 1474
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USD 0.195

Multiples of: 1

3214W-1-223E


Trimmer Resistors - SMD 4mm SQ 22K
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Bourns Availability : 1474
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USD 1.425

Multiples of: 250

3352E-1-504LF


Trimmer Resistors - Through Hole 3/8"round 500Kohms 0.5watt 20%
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Bourns Availability : 1474
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USD 2.15

Multiples of: 100

CA9MV 5K


Potentiometer: mounting; single turn, horizontal; 5kO; 0.15W; ±20%
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ACP Availability : 1468
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USD 0.1488

Multiples of: 1

PTV09A-4220F-B103


Potentiometers 10K LINEAR 20%
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Bourns Availability : 1467
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USD 0.4865

Multiples of: 1

64WR1KLF


Trimmer Resistors - Through Hole 1/4" Squ 1K 10%
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TT Electronics Availability : 1467
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USD 1.1711

Multiples of: 1

P260P-D1BS3CB10K


BI Technologies TT Electronics Potentiometers 12W 10K Ohms 10% 12.7mm SQ ROTARY POT
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TT Electronics Availability : 1465
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USD 7.4

Multiples of: 1

P160KN-0EC15B1MEG


Potentiometers 16mm 1M ohm
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TT Electronics Availability : 1464
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USD 0.8225

Multiples of: 1

3310C-001-103L


10k Ohm 1 Gang Linear Panel Mount Potentiometer None 1.0 Kierros Conductive Plastic 0.25W, 1/4W PC Pins
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Bourns Availability : 1464
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USD 1.8125

Multiples of: 50

Hot PT10LH01-104A2020-S


Trimmer Resistors - Through Hole 100Kohms 10mm Rnd Side adj Steel lead
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Amphenol Availability : 1462
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USD 0.108

Multiples of: 35

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