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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N15TS-104A3030


Trimmer Resistors - SMD 100Kohms Linear 30%
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Amphenol 489
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AUD 2.2164
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3214G-1-102E


1 kOhms 0.25W, 1/4W Gull Wing Surface Mount Trimmer Potentiometer Cermet 5.0 Turn Side Adjustment
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Bourns 489
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AUD 2.4824
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PTL30-10R1-502B2


Bourns Slide Potentiometers 5Kohms Travel=30mm Center Detent
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Bourns 489
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AUD 2.6154
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PTL60-15O1-504B2


Slide Potentiometers 500Kohms Travel=60mm Center Detent
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Bourns 489
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AUD 4.4
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PTB0144-2010BPA103


10 kOhms 0.25W, 1/4W Through Hole Slide Potentiometer Top Adjustment Type
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Bourns 489
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AUD 5.9028
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TSM4YJ101KR05


100 Ohms 0.25W, 1/4W J Lead Surface Mount Trimmer Potentiometer Cermet 11.0 Turn Top Adjustment
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Vishay 489
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AUD 7.0433
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T64H-500R


Potentiometer: mounting; single turn, vertical; 500O; 500mW
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SR Passives 488
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AUD 0.6487
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RK09K12A0A2K


Potentiometers 10 KOhms 30%
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ALPS 488
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AUD 1.2078
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3296W-1-503ALF


Res Cermet Trimmer 50K Ohm 10% 0.5W(1/2W) 25(Elec)Turns 2.19mm (9.53 X 4.83 X 11.55mm) Pin Thru-Hole Ammo
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Bourns 480
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AUD 2.4479
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M64Y501KB40


Trimmer Resistors - Through Hole 3/8"SQ 500ohms Multi Turn Cermet
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Vishay 388
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AUD 2.6597
Multiples of: 1

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