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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PTV111-4420A-B503


Potentiometers 50K LINEAR 20%
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Bourns 955
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AUD 1.7635
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PVG5A205C03R00


Trimmer Resistors - SMD 2Mohms 5mm 11turn Top Adjust
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Bourns 955
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AUD 3.2692
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93PR2MEG


Res Cermet Trimmer 2M Ohm 10% 1W 1(Elec)/1(Mech)Turn 6.35mm (12.7 X 6.35mm) Pin Thru-Hole Box
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TT Electronics 955
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AUD 18.1254
Multiples of: 1

RA1010N-1H-2016-B50K-000


SMD Potentiometers, Variable Resistors ROHS
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G-Switch 954
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AUD 0.46
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PTV09A-2020F-B503


Res Carbon Film POT 50K Ohm 20% 0.05W(1/20W) 1(Elec)/1(Mech)Turn 6mm (22.4 X 19.3mm) Pin Bracket Mount/Through Hole
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Bourns 954
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AUD 0.7962
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PDB181-K420K-104B


Potentiometers 100K SINGLE
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Bourns 954
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AUD 1.1279
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PDB181-E415F-503A2


Bourns Potentiometers PANEL CONTROL 17MM-ST-CARBON
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Bourns 954
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AUD 1.1279
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RV16AF-10-20R1-A500K-LA


Potentiometers Audio 500K Solder Lugs
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Alpha Taiwan 954
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AUD 1.4038
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T93YA203KT20


20 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 21.0 Turn Top Adjustment
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Vishay 954
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AUD 1.6203
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3296W-1-332LF


Trimmer Resistors - Through Hole 3/8" 3.3Kohms Sealed Vertical Adjust
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Bourns 954
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AUD 1.6727
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