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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CLU1021


Res POT 1K Ohm 2W 1(Elec)/1(Mech)Turn 6.35mm (31.78 X 29.4mm) Solder Lug Panel Mount
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Ohmite 1582
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AUD 22.248
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PTL60-15R0-103B2


Slide Potentiometers 10Kohms Travel=60mm
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Bourns 1581
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AUD 2.1015
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PT10LV10-105A2020-S


Trimmer Resistors - Through Hole 1Mohms 10mm Rnd Top adj Steel Lead
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Amphenol 1580
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AUD 0.3406
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P120KGP-Y15BR100K


Potentiometers 120W 100K Ohms 20% 12mm ROTARY POT
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TT Electronics 1580
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AUD 1.125
Multiples of: 1

3296X-1-102LF


Trimmer Resistors - Through Hole 3/8" 1Kohms Sealed Horizontal Adjust
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Bourns 1579
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AUD 0.789
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3386P-1-223LF


Bourns Trimmer Resistors - Through Hole 38" 22Kohms 10% 0.5Watts Square
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Bourns 1579
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AUD 1.0635
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22AR500LFTR


BI Technologies TT Electronics Trimmer Resistors - SMD 3MM Square 500ohm 20% Sealed
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TT Electronics 1578
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AUD 1.5893
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3306W-1-201


200 Ohms 0.2W, 1/5W PC Pins Through Hole Trimmer Potentiometer Cermet 1.0 Turn Side Adjustment
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Bourns 1577
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AUD 0.3284
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PT10LH01-502A2020


Trimmer Resistors - Through Hole 5Kohms 10mm Rnd Side adj
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Amphenol 1577
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AUD 0.5481
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PT6KH221A2020


Trimmer Resistors - Through Hole 220 OHM 6mm RND SIDE ADJ PCB
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Amphenol 1574
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AUD 0.5308
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