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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3266W-1-102


Res Cermet Trimmer 1K Ohm 10% 1/4W 12(Elec)Turn 1.78mm (6.71 X 4.5 X 8.26mm) Pin Thru-Hole Tube
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Bourns 129
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AUD 4.6444
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JA1N056S503UA


Potentiometers 50K Ohm 10% 2.25W 6.35mm
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Honeywell 129
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AUD 121.127
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PTV09A-3015F-B103


Potentiometers PANEL CONTROL - 9MM-ST-CARBON 10 kohms 15 mm
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Bourns 128
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AUD 0.7648
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M63S503KB40


Trimmer Resistors - Through Hole 3/8"SQ 50Kohms 10% Single Turn Cermet
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Vishay 128
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AUD 2.5794
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P165K200QNC20MN103


Potentiometers Metal Shaft 0.1W RL=100K Bushing
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TT Electronics 128
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AUD 2.9508
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3299Y-1-501


Trimmer Resistors - Through Hole 500ohms Standoffs Vertical Adjust 3/8"
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Bourns 128
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AUD 4.6344
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3339W-1-102LF


1 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 4.0 Turn Side Adjustment
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Bourns 128
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AUD 6.4429
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3386X-1-253LF


25 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 1.0 Turn Side Adjustment
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Bourns 127
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AUD 1.1803
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P160KNP-0EC15A25K


BI Technologies TT Electronics Potentiometers 16mm 25KOhms
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TT Electronics 127
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AUD 1.3916
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72XR100LF


Trimmer Resistors - Through Hole 3/8" Squ 100 10%
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TT Electronics 127
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AUD 1.8512
Multiples of: 25

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