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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RV121SF-30-009J-A53-00K


Potentiometers 12mm Audio 5K W/SW
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Alpha Taiwan 725
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AUD 1.6849
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PTC15NH05-103A2020


Trimmer Resistors - Through Hole
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Amphenol 725
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AUD 1.9381
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RK09712200HA


Potentiometers 10 KOhms 30%
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ALPS 725
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AUD 4.6627
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PTV09A-4020S-A105


Potentiometers PANEL CONTROL - 9MM-ST-CARBON 1 Mohms 20 mm
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Bourns 724
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AUD 0.7403
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3314G-1-254E


250 kOhms 0.25W, 1/4W Gull Wing Surface Mount Trimmer Potentiometer Cermet 1.0 Turn Top Adjustment
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Bourns 724
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AUD 1.2893
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T93YB504KT20


500 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 21.0 Turn Top Adjustment
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Vishay 724
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AUD 1.7635
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3214J-1-101E


100 Ohms 0.25W, 1/4W J Lead Surface Mount Trimmer Potentiometer Cermet 5.0 Turn Side Adjustment
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Bourns 724
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AUD 2.1476
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3223J-1-103E


10 kOhms 0.125W, 1/8W J Lead Surface Mount Trimmer Potentiometer Cermet 11.0 Turn Side Adjustment
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Bourns 724
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AUD 3.8762
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P260P-D2BF3CA50K


Potentiometers 1/4W 50K Ohms 10% 12.7mm SQ ROTARY POT
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TT Electronics 724
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AUD 11.3585
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H-38-9


Potentiometer Tools & Hardware METRIC NUT
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Bourns 723
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AUD 0.7089
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