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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1801WSMD-5K


Potentiometer: mounting; vertical, multiturn; 5kO; 250mW; SMD; ±10%
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SR Passives 744
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AUD 2.3111
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3386F-1-254LF


250 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 1.0 Turn Top Adjustment
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Bourns 743
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AUD 1.1663
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T73XH502KT20


Vishay Sfernice Trimmer Resistors - Through Hole 14"SQ HADJ 5K
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Vishay 743
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AUD 1.5019
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RV24A01F-10-15R1-B2.5K-3


Potentiometers Linear W/SW 2.5K Solder Lugs
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Alpha Taiwan 743
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AUD 2.881
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T93YB104KT20


100 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 21.0 Turn Top Adjustment
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Vishay 743
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AUD 2.0687
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PTD902-1220F-A204


Potentiometers PANEL CONTROL 9MM-ST-CARBON
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Bourns 743
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AUD 2.9423
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443-90030


Potentiometer - 3 Pole.
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CTS 743
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AUD 9
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3296W-1-105RLF


Trimmer Resistors - Through Hole 38" 1Mohms Sealed Vertical Adjust
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Bourns 742
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AUD 3.3269
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PT15NV15-504A2020-S


Potentiometer: mounting; horizontal; 500kΩ; 250mW; ±20%; linear
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Amphenol 741
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AUD 0.7489
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3314G-1-104E


Trimmer Resistors - SMD 100K 20% 4MM SQ SMT SINGLETURN
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Bourns 707
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AUD 0.7787
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