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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PT10MV10-105A2020-S


Trimmer Resistors - Through Hole 1Mohms 10mm Rnd Top adj Steel Lead
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Amphenol 1339
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AUD 0.4958
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TC33X-2-301E


Trimmer Resistors - SMD 3MM 300OHMS 25% 0.1WATT OPEN FRM
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Bourns 1336
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AUD 0.2113
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P231-QC15AR10K


Potentiometers 24mm Rotary Panel Potentiometer
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TT Electronics 1336
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AUD 2.4038
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3006P-1-221LF


Trimmer Resistors - Through Hole 220 Ohms 3/4" 10% Sealed Multi Turn
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Bourns 1333
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AUD 1.4931
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3314Z-GA4-102E


Trimmer Resistors - SMD 4mm SQ 1K
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Bourns 1332
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AUD 2.5577
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R9011-1-50K


Potentiometer: shaft; single turn; 50kO; 125mW; ±20%; THT; 6mm
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SR Passives 1330
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AUD 0.8044
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R16148-1B-2-A1K


Potentiometer: shaft; single turn; 1kO; 63mW; ±20%; THT; 6mm; metal
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SR Passives 1325
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AUD 0.6111
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T93YA502KT20


Trimmer Resistors - Through Hole 3/8" SQ V/ADJ 5K
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Vishay 1325
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AUD 1.5367
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3269P-1-501GLF


Bourns Trimmer Resistors - SMD 14IN 500 OHMS 10% Horizontal Adjust
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Bourns 1325
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AUD 3.4642
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3223J-1-202E


2 kOhms 0.125W, 1/8W J Lead Surface Mount Trimmer Potentiometer Cermet 11.0 Turn Side Adjustment
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Bourns 1325
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AUD 3.6215
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