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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3306K-1-201


Trimmer Resistors - Through Hole 200ohm 25% 6mm Single Turn
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Bourns 1837
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AUD 0.3834
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3386X-1-224LF


Bourns Trimmer Resistors - Through Hole 38" 220Kohms 10% 0.5Watts Square
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Bourns 1746
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AUD 1.155
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PT10LV10-251A2020


Trimmer Resistors - Through Hole 250ohms 10mm Rnd Top adj
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Amphenol 1746
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AUD 0.575
Multiples of: 1

PTV111-3417A-B0103


Potentiometers PANEL CONTROL
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Bourns 1746
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AUD 1.1283
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PTN10-A05HB20


Precision Potentiometers 10mm vertical 5K ohm hexagonal rotor linear 20% tolerance
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Same Sky 1745
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AUD 0.385
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3314J-1-473E


Trimmer Resistors - SMD 4mm SQ 47K
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Bourns 1745
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AUD 1.5
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84PR100KLF


BI Technologies TT Electronics Trimmer Resistors - SMD 14" Squ 100K 10%
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TT Electronics 1738
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AUD 2.7971
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3299W-1-251LF


Trimmer Resistors - Through Hole 3/8" MT CERMET 250uH SQ SEALED TRIMPOT
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Bourns 1737
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AUD 2.4514
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3296W-1-253


Precision Potentiometer 25KOhms ±10% ±250ppm/℃ 3296W RoHS
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Guosheng 1726
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AUD 0.1601
Multiples of: 5

PT10MH01-503A2020-S


Trimmer Resistors - Through Hole 50Kohms 10mm Rnd Side adj Steel lead
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Amphenol 1712
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AUD 0.446
Multiples of: 1

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