5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 25 Turn Top W Bourns Inc. | WND DigiKey Electronics. Bourns Series Trimmer Resistors – Through Hole are available at Mouser Electronics. Mouser offers inventory, pricing, & datasheets for Bourns W Bourns Trimmer Resistors – Through Hole 3/8. Datasheet: W Datasheet Learn more about Bourns W Compare.
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Depending on the way the trimmer is wired the rotation direction can have a specific meaning. The direction of the wiper movement is already shown in the graph you have provided, turning the screw clockwise moves the wiper pin bourna towards the end named 3 and turning it counterclockwise moves it towards the end named 1.
BTW, it is already soldered to a component. So, it is “neutral” so to speak?
It is not like a potentiometer? If you connect ground to one end bpurns a voltage to the other end then the wiper becomes the middle point of a voltage divider and the output changes based on the actual position.
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Depending on which end you connect the ground and voltage you get a different effect for 3926 same rotation direction. If I may, one last question: I have a constant current driver for LED datssheet a trimpot to select the output current. How can I measure what it is outputting before connecting to the LED? I don’t want to kill the LED in case it is too high?
Is it intended for one led, a series of leds? It is a simple constant current boost driver. Not made specifically for LEDs.
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BOURNS WLF – PDF Datasheet – Precision Potentiometer In Stock |