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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RV120F-20-15F-A5K-0075


Potentiometers AUDIO D-SHAFT 5K
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Alpha Taiwan 704
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AUD 1.4457
Multiples of: 1

PTV111-1420A-B503


Potentiometers 50K LINEAR 20%
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Bourns 702
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AUD 1.232
Multiples of: 1

3314G-1-254E


250 kOhms 0.25W, 1/4W Gull Wing Surface Mount Trimmer Potentiometer Cermet 1.0 Turn Top Adjustment
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Bourns 698
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AUD 1.21
Multiples of: 1

3006P-1-203LF


20 kOhms 0.75W, 3/4W PC Pins Through Hole Trimmer Potentiometer Cermet 15.0 Turn Side Adjustment
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Bourns 668
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AUD 1.4594
Multiples of: 1

3362W-1-102LF


Trimmer Resistors - Through Hole 1/4"SQ 1KOHMS 10% 0.5WATTS
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Bourns 665
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AUD 0.5192
Multiples of: 1

64WR20KLF


Trimmer Resistors - Through Hole 1/4" Squ 20K 10%
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TT Electronics 638
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AUD 1.8552
Multiples of: 1

T93YA204KT20


200 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 21.0 Turn Top Adjustment
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Vishay 507
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AUD 1.5337
Multiples of: 1

3362M-1-504LF


500 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 1.0 Turn Side Adjustment
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Bourns 485
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AUD 0.9792
Multiples of: 250

PTC10LV10-504A2020


Trimmer Resistors - Through Hole 500Kohms 10mm Rnd
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Amphenol 215
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AUD 1.169
Multiples of: 1

PV36W203C01B00


Trimmer Resistors - Through Hole 20Kohms 10mm Square 25turn
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Murata 67
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AUD 1.3448
Multiples of: 1

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