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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PDB181-E415F-104A2


Potentiometers PANEL CONTROL 17MM-ST-CARBON
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Bourns 1268
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AUD 1.1279
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P090S-04F15AR1MEG


Potentiometers 9mm Rotary Panel Potentiometer
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TT Electronics 1267
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AUD 0.9846
Multiples of: 1

3313J-1-104E


100 kOhms 0.125W, 1/8W J Lead Surface Mount Trimmer Potentiometer Cermet 1.0 Turn Top Adjustment
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Bourns 1267
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AUD 0.9847
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3386F-1-252LF


Trimmer Resistors - Through Hole 3/8" 2.5Kohms 10% 0.5Watts Square
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Bourns 1267
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AUD 1.0507
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PT6KH203A2020


Trimmer Resistors - Through Hole 20K OHM 6mm RND SIDE ADJ PCB
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Amphenol 1266
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AUD 0.5308
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3224J-1-502E


5 kOhms 0.25W, 1/4W J Lead Surface Mount Trimmer Potentiometer Cermet 12.0 Turn Side Adjustment
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Bourns 1266
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AUD 3.2343
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PS10MV50-503A3030


Trimmer Resistors - SMD 50K ohms 30%
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Amphenol 1265
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AUD 1.1538
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PTV09A-5025F-A503


Potentiometers PANEL CONTROL - 9MM-ST-CARBON 50 kohms 25 mm
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Bourns 1265
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AUD 1.526
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T910Z-50K


Potentiometer: mounting; multiturn; 50kO; 500mW; THT; ±10%; linear
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SR Passives 1264
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AUD 0.2822
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Hot 3314J-1-100E


10 Ohms 0.25W, 1/4W J Lead Surface Mount Trimmer Potentiometer Cermet 1.0 Turn Top Adjustment
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Bourns 1261
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AUD 0.7
Multiples of: 1

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