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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RV141F-40-20BL-B50K


Potentiometers 20mm LINEAR 50K PC Mount
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Alpha Taiwan 174
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AUD 1.9209
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3224G-1-501E


SMD-3P,4.8x4.8mm Potentiometers, Variable Resistors ROHS
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Guosheng 174
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AUD 2.1888
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3009P-1-201LF


200 Ohms 0.75W, 3/4W PC Pins Through Hole Trimmer Potentiometer Cermet 15.0 Turn Side Adjustment
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Bourns 174
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AUD 2.1179
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3362R-1-103TLF


Trimmer Resistors - Through Hole 12W 10Kohm 10% wKnob
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Bourns 174
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AUD 2.8294
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Hot 3299W-1-253


Trimmer Resistors - Through Hole 25Kohms Standoffs Vertical Adjust 3/8"
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Bourns 174
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AUD 3.4642
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M64Y100KB40


Trimmer Resistors - Through Hole 3/8"SQ 10ohms Multi Turn Cermet
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Vishay 174
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AUD 4.5785
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3009P-1-503LF


50 kOhms 0.75W, 3/4W PC Pins Through Hole Trimmer Potentiometer Cermet 15.0 Turn Side Adjustment
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Bourns 172
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AUD 2.1179
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PTD902-1215F-B104


Potentiometers PANEL CONTROL 9MM-ST-CARBON
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Bourns 172
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AUD 2.1836
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PS30-20PA1AR100K


Slide Potentiometers 100K ohm 20% 30mm Slide Potentiometer
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TT Electronics 164
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AUD 2.0358
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H-83P


Potentiometer Tools & Hardware 3005/3006 ADAPTER
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Bourns 95
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AUD 4.5761
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