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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3224W-1-105E


1 MOhms 0.25W, 1/4W J Lead Surface Mount Trimmer Potentiometer Cermet 12.0 Turn Top Adjustment
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Bourns 4564
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AUD 2.0486
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PT10LV10-504A2020


Trimmer Resistors - Through Hole 500Kohms 10mm Rnd Top adj
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Amphenol 2462
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AUD 0.575
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25PR10KLF


BI Technologies TT Electronics Trimmer Resistors - Through Hole 14" Squ 10K 10%
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TT Electronics 2451
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AUD 1.2675
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PT15LV18-502A2020


Trimmer Resistors - Through Hole 5Kohms 15mm Rnd
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Amphenol 2445
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AUD 0.7635
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PVG5H203C03R00


Trimmer Resistors - SMD 20Kohms 5mm 11turn Side Adjust
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Murata 2434
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AUD 2.3377
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P160KN-0QD15B10K


10k Ohm 1 Gang Linear Panel Mount Potentiometer None 1.0 Kierros Conductive Plastic 0.2W, 1/5W PC Pins
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TT Electronics 2020
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AUD 1.6024
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Hot 3296Y-1-103LF


Trimmer Resistors - Through Hole 3/8" 10Kohms Sealed Vertical Adjust
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Bourns 1935
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AUD 1.3593
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3386P-1-472LF


Trimmer Resistors - Through Hole 3/8" 4.7Kohms 10% 0.5Watts Square
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Bourns 1839
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AUD 1.0704
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3314J-1-102E


3314J-1-102E SMD TRIMMER
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Bourns 0
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AUD 0.7599
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CA9MH 50K


Potentiometer: mounting; single turn, vertical; 50kO; 0.15W; ±20%
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AUD 0.2925
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