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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TC33X-2-503E


50 kOhms 0.1W, 1/10W J Lead Surface Mount Trimmer Potentiometer Cermet 1.0 Turn Top Adjustment
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Bourns 8555
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AUD 0.0988
Multiples of: 5

3299X-1-205


Trimmer Resistors - Through Hole 2Mohms Standoffs Horizontal Adjust
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Bourns 501
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AUD 3.9484
Multiples of: 1

66XR20KLF


Trimmer Resistors - Through Hole 20K ohm 10% 3/8" Squ
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TT Electronics 500
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AUD 3.0032
Multiples of: 1

601030


Potentiometers Carbon Comp Flm Potentiometer
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Kyocera AVX 499
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AUD 0.2025
Multiples of: 1

3361P-1-204


±10% 200kΩ SMD,6.9x7mm Variable Resistors/Potentiometers ROHS
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Guosheng 499
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AUD 0.5173
Multiples of: 1

PTV09A-4025F-A105


Potentiometers PANEL CONTROL - 9MM-ST-CARBON 1 Mohms 25 mm
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Bourns 499
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AUD 0.7403
Multiples of: 1

PDB12-H4301-203BF


Potentiometers 20K LINEAR 12MM
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Bourns 499
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AUD 0.9498
Multiples of: 1

3266W-1-200


Trimmer Resistors - Through Hole 1/4" 20ohms 10% SQ W/Standoff Sealed
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Bourns 499
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AUD 4.2262
Multiples of: 10

PT6KV224A2020


Trimmer Resistors - Through Hole 220Kohms 6mm Top adj
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Amphenol 498
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AUD 0.5256
Multiples of: 1

Hot T93YA200KT20


20 Ohms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 21.0 Turn Top Adjustment
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Vishay 498
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AUD 1.5016
Multiples of: 1

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