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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PTD902-2015K-B503


Res Carbon Film POT 50K Ohm 20% 0.05W(1/20W) 1(Elec)/1(Mech)Turns 6mm (24.65 X 9.5 X 11.3mm) Pin Panel Mount/Through Hole Automotive
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Bourns 1536
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AUD 1.7812
Multiples of: 144

PT10WV10-103A2020-3NE


Trimmer Resistors - Through Hole 10Kohms 10mm blk w/knob
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Amphenol 1535
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AUD 0.9115
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23AR100LFTR


Trimmer Resistors - SMD 4MM Squ 100 10% Sealed
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TT Electronics 1528
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AUD 1.3022
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T63YB501KT20


Trimmer Resistors - Through Hole 1/4" SQ V/ADJ 500
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Vishay 1527
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AUD 3.025
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PT10LH10-473A2020-S


Trimmer Resistors - Through Hole 10mm controlsensor trimmr potentiometer
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Amphenol 1525
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AUD 0.4981
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PT10LH01-473A2020-S


Trimmer Resistors - Through Hole
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Amphenol 1524
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AUD 0.5269
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EVU-E2KFK4D14


10k Ohm 1 Gang Logarithmic Through Hole, Snap In Potentiometer None 1.0 Kierros 0.05W, 1/20W PC Pins, Board Locks
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Panasonic 1522
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AUD 0.6313
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PVG5A102C03B00


Trimmer Resistors - SMD 1Kohms 5mm 11turn Top Adjust
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Murata 1518
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AUD 2.2155
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3386P-1-202LF


Trimmer Resistors - Through Hole 3/8" 2Kohms 10% 0.5Watts Square
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Bourns 1516
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AUD 1.199
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T910W-500K


Potentiometer: mounting; multiturn; 500kO; 3296W
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SR Passives 1270
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AUD 0.2256
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