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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RV09AF-20-20K-A1M


Potentiometers Audio 9mm 1M PC Mount
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Alpha Taiwan 868
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AUD 0.7071
Multiples of: 1

3386F-1-202LF


Trimmer Resistors - Through Hole 3/8" 2Kohms 10% 0.5Watts Square
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Bourns 868
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AUD 1.0194
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RV121SF-30-009J-A55-00K


Potentiometers 12mm Audio 500K W/SW
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Alpha Taiwan 868
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AUD 2.5769
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PTV09A-8030U-B103


Potentiometers PANEL CONTROL - 9MM-ST-CARBON
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Bourns 867
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AUD 1.001
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T73YP502KT20


Trimmer Resistors - Through Hole 1/4" SQ V/ADJ 5K
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Vishay 867
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AUD 1.21
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3006P-1-200LF


20 Ohms 0.75W, 3/4W PC Pins Through Hole Trimmer Potentiometer Cermet 15.0 Turn Side Adjustment
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Bourns 867
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AUD 1.1596
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3269W-1-104LF


Trimmer Resistors - SMD 1/4" 100Kohms 10% Vertical Adjust
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Bourns 866
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AUD 3.4394
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PDB12-F4251-104BF


Potentiometers 100K LINEAR 12MM
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Bourns 864
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AUD 0.901
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PT6MV-504A2020-


Potentiometer: mounting; horizontal; 500kΩ; 100mW; ±20%; linear
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Amphenol 861
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AUD 0.4447
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RS45111A900F


Slide Potentiometers Metal Lever Snap-in 45mm Travel
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ALPS 727
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AUD 1.8785
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