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-K420K-103C


Potentiometers PANEL CONTROL 17MM-ST-CARBON
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Bourns 676
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AUD 1.0913
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PTV111-2415A-B103


Potentiometers 10K LINEAR 20%
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Bourns 676
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AUD 1.3043
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89PR500LFTB


Trimmer Resistors - Through Hole 3/4W 500 Ohms 10% MULTI TURN
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TT Electronics 676
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AUD 1.5959
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3296P-1-105LF


Trimmer Resistors - Through Hole 3/8" 1Mohms Sealed Horizontal Adjust
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Bourns 676
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AUD 1.7984
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PTA6043-2215DPB103


Slide Potentiometers 10K LINEAR
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Bourns 676
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AUD 1.973
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PDB241-GTR03-504B0


Bourns Potentiometers 500K 20% KNURLED LNG LINEAR
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Bourns 676
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AUD 4.0508
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PTV09A-4025F-B104


Potentiometers PANEL CONTROL - 9MM-ST-CARBON 100 kohms 25 mm
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Bourns 675
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AUD 0.7613
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RV16AF-10-15S1-C1K-LA


Potentiometers Rev Audio 1K Screwdvr Solder Lug
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Alpha Taiwan 674
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AUD 1.1698
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RV16AF-10-15K-A10K-3


Potentiometers Audio Knurled 10K Solder Lugs
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Alpha Taiwan 674
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AUD 1.1698
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PTV111-3420A-B103


10k Ohm 1 Gang Linear Panel Mount Potentiometer None 1.0 Kierros Carbon 0.05W, 1/20W PC Pins, Board Locks
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Bourns 674
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AUD 1.313
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