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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PTD902-2020K-A104


Potentiometers PANEL CONTROL 9MM-ST-CARBON
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Bourns 509
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AUD 2.427
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PC16SH10CP05-504A2020-TA


Potentiometers 500Kohms 16mm
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Amphenol 509
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AUD 2.9754
Multiples of: 1

3269W-1-253GLF


Trimmer Resistors - SMD 14" 25Kohms 10% Vertical Adjust
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Bourns 509
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AUD 4.3462
Multiples of: 1

M43P501KB40


500 Ohms 0.75W, 3/4W PC Pins Through Hole Trimmer Potentiometer Cermet 18.0 Turn Side Adjustment
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Vishay 509
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AUD 4.4698
Multiples of: 1

RV16AF-20-15S1-C50K-LA


Potentiometers REV AUDIO 50K Screwdvr PC Mount
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Alpha Taiwan 508
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AUD 1.1698
Multiples of: 1

PDB241-E420K-254B0


Potentiometers 0.5watt 250Kohms 20% Knurled
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Bourns 508
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AUD 1.2891
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PDB181-GTR01-253A2


Potentiometers 25KOHMS KNURLED SNG SOLDER LUGS
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Bourns 508
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AUD 1.4113
Multiples of: 1

3296X-1-200LF


Trimmer Resistors - Through Hole 3/8IN 20 OHMS Sealed Horizontal Adjust
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Bourns 508
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AUD 1.8294
Multiples of: 100

3006P-1-103LF


Trimmer Resistors - Through Hole 10K 3/4" 10% Sealed Multi Turn
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Bourns 482
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AUD 1.2448
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Hot 3314G-1-105E


1 MOhms 0.25W, 1/4W Gull Wing Surface Mount Trimmer Potentiometer Cermet 1.0 Turn Top Adjustment
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Bourns 370
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AUD 0.5807
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