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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PDB181-B225K-503B


Potentiometers PANEL CONTROL - 17MM-ST-CARBON
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Bourns 658
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AUD 1.0783
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PTD902-2015K-A203


Potentiometers PANEL CONTROL - 9MM-ST-CARBON
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Bourns 658
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AUD 1.8592
Multiples of: 1

1801WSMD-20K


Potentiometer: mounting; vertical, multiturn; 20kO; 250mW; SMD
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SR Passives 658
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AUD 2.0624
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PVG5A503C03B00


Bourns Trimmer Resistors - SMD 50Kohms 5mm 11turn Top Adjust
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Bourns 658
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AUD 2.8381
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PTV09A-4030U-B204


200k Ohm 1 Gang Linear Through Hole, Snap In Potentiometer None 1.0 Kierros Carbon 0.05W, 1/20W PC Pins, Board Locks
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Bourns 657
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AUD 0.724
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T73YP504KT20


Vishay Sfernice Trimmer Resistors - Through Hole 14" SQ VADJ 500K
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Vishay 657
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AUD 1.5558
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MFP140


Switch Slide Top Slide 0.35A 30VDC 10000Cycles PC Pins Thru-Hole
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Knitter-Switch 652
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AUD 1.4592
Multiples of: 1

PDB181-K420K-104B


Potentiometers 100K SINGLE
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Bourns 642
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AUD 1.0531
Multiples of: 1

3224W-1-102G


Bourns Trimmer Resistors - SMD 4mm 1Kohms 10% Square Cermet Sealed
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Bourns 626
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AUD 3.1851
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3223J-1-203E


20 kOhms 0.125W, 1/8W J Lead Surface Mount Trimmer Potentiometer Cermet 11.0 Turn Side Adjustment
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Bourns 617
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AUD 3.5299
Multiples of: 1

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