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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91ER1MEGLF


Trimmer Resistors - Through Hole 3/8inch 1M LEADFREE Thumbwheel
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TT Electronics 1067
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AUD 1.4965
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PTL60-19O0-104B1


Slide Potentiometers 100Kohms Travel=60mm Orange LED
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Bourns 1067
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AUD 3.3269
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91ER10KLF


Trimmer Resistors - Through Hole 3/8inch 10K LEADFREE Thumbwheel
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TT Electronics 1066
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AUD 1.451
Multiples of: 1

3223W-1-500E


50 Ohms 0.125W, 1/8W J Lead Surface Mount Trimmer Potentiometer Cermet 11.0 Turn Top Adjustment
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Bourns 1059
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AUD 3.1382
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PTV09A-4015F-A103


Potentiometers PANEL CONTROL - 9MM-ST-CARBON 10 kohms 15 mm
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Bourns 1058
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AUD 0.6972
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PT10MV10-203A2020-S


TRIMMER, 20K, 0.15W, 1TURN
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Amphenol 1057
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AUD 0.6039
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PTV09A-3015F-B103


Potentiometers PANEL CONTROL - 9MM-ST-CARBON 10 kohms 15 mm
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Bourns 1053
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AUD 0.7071
Multiples of: 1

RV16AF-10-15R1-B500K-0DLA


Potentiometers Linear B500K Solder Lugs
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Alpha Taiwan 1052
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AUD 1.2681
Multiples of: 1

PV36W501C01B00


Trimmer Resistors - Through Hole 500ohms 10mm Square 25turn
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Murata 1034
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AUD 1.3324
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RS451121400A


ALPS Slide Potentiometers 10 KOhms 20% THT W SNAP-IN MNT
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ALPS 352
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AUD 2.7682
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