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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PTD901-2015K-B103


Res Carbon Film POT 10K Ohm 20% 0.05W(1/20W) 1(Elec)/1(Mech)Turns 6mm (22.05 X 9.5 X 11.3mm) Pin Panel Mount/Through Hole Automotive
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Bourns 1393
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AUD 1.6582
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3296X-1-102RLF


Res Cermet Trimmer 1K Ohm 10% 0.5W(1/2W) 25(Elec)Turn 2.19mm (11.05 X 4.83 X 10.03mm) Pin Thru-Hole T/R
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Bourns 1393
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AUD 2.5514
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3296W-1-203RLF


Trimmer Resistors - Through Hole 3/8" 20Kohms Sealed Vertical Adjust
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Bourns 1393
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AUD 2.594
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23AR5KLFTR


5 kOhms 0.25W, 1/4W J Lead Surface Mount Trimmer Potentiometer Cermet 1.0 Turn Top Adjustment
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TT Electronics 1392
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AUD 1.1493
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23BR100LFTR


100 Ohms 0.25W, 1/4W Gull Wing Surface Mount Trimmer Potentiometer Cermet 1.0 Turn Top Adjustment
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TT Electronics 1390
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AUD 1.107
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P120PK-F20AR2K


Potentiometers 1/20W 2K Ohms 20% 12mm ROTARY POT
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TT Electronics 1390
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AUD 1.2788
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68XR2KLF


Trimmer Resistors - Through Hole 3/8" Squ 2K 10%
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TT Electronics 1390
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AUD 1.5679
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PT10LH01-102A2020-S


Trimmer Resistors - Through Hole 1Kohms 10mm Rnd Side adj Steel lead
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Amphenol 1389
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AUD 0.32
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3314J-1-223E


Bourns Trimmer Resistors - SMD 4mm SQ 22K
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Bourns 1387
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AUD 1.2484
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PT10MV11-102A2020-S


Trimmer Resistors - Through Hole
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Amphenol 1386
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AUD 0.4597
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