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PAD for contact - how do i do this?
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dorydan 1 month ago
Hello, I am planning to have a pcb made that will hold 7 LEDs against the heat sink AND connect the LED pads as shown below.  It will have large holes for the LED lens and small holes for the screws.  The pcb will be screwed down to the heat sink (two screws per LED) gently holding the LEDs captive.  This will make replacement of the individual LEDs easy.  Question is, what should i specify for the pcb pads that connect the LEDs?   They would need to protrude 1-2 mm on the bottom of the pcb. Thanks, Dan![image.png](//image.easyeda.com/pullimage/jFdHk05y3P0dvuV6dr0SIXNTTHPFRwVfbPyuaK0e.png)
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dorydan 1 month ago
Problem solved!  I learned something today!  Thank you Andy!
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andyfierman 1 month ago
For reliable contact you would need some sort of spring contact and not just pads. Try a Google search for: spring contacts and look out for Harwin and Mill Max low or zero profile parts.
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