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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25PR1KLF


1 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 1.0 Turn Top Adjustment
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TT Electronics 1246
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AUD 1.3232
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3223J-1-201E


Trimmer Resistors - SMD 3MM SQ MT CERMET TRIMMER
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Bourns 1243
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AUD 3.0192
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PTL60-15R0-104B2


Slide Potentiometers 100Kohms Travel=60mm
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Bourns 1242
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AUD 2.0586
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G43SAT1-B102


Potentiometer: mounting; single turn; 1kΩ; 250mW; SMD; ±20%; linear
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Tocos 1241
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AUD 0.5469
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T73YP101KT20


Trimmer Resistors - Through Hole 1/4" SQ V/ADJ 100
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Vishay 1236
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AUD 1.3054
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PT15NV24-103A2020E


Trimmer Resistors - Through Hole 10Kohms 15mm Rnd Carbon
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Amphenol 1235
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AUD 0.8038
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3269P-1-501GLF


Bourns Trimmer Resistors - SMD 14IN 500 OHMS 10% Horizontal Adjust
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Bourns 1140
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AUD 3.3971
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3224W-1-500E


50 Ohms 0.25W, 1/4W J Lead Surface Mount Trimmer Potentiometer Cermet 12.0 Turn Top Adjustment
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Bourns 1011
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AUD 1.3354
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534B1103JCB


Precision Potentiometers
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Vishay 606
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AUD 31.1694
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Hot 3314J-1-101E


Trimmer Resistors - SMD 100 20% 4MM SQ SMT SINGLETURN
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Bourns 504
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AUD 0.5879
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