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Power Supply's Replacing Led

Discussion in 'Electronics' started by flaper, Jun 27, 2018.

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  1. flaper

    flaper New Member

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    I would like to replace a Navigation red LED for a Airfield 1450mm Corsair.
    I burn it out trying to test it by plugging in a 5.17v NiCad.
    I plugged it into the green led and it worked fine.
    where would I look for replacing this?
    what kind or what size should I be looking for?
    Thank you for any help you can offer WIN_20180627_15_44_51_Pro.jpg
     
  2. Tony

    Tony Administrator Staff Member

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    That looks like a 10mm LED. I would just do a search for green 10mm LED on ebay and see what comes up. Make sure you are searching for the voltage that is going to it as well. Otherwise you will need to run a resistor to keep from blowing it out.
     
  3. flaper

    flaper New Member

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    GUANGSHENGLED 5mm LED Ultra Bright Diode Lamp,B-MyDreams DC 2V 20mA 0.06W Diffused Round Red light
    Is this the right LED mine is 10mm but this shows DC2v....is that the max .
     
  4. flaper

    flaper New Member

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    NO ....This looks more like it Chanzon 50 pcs 10mm Red LED Diode Lights (Clear Round Transparent DC 2V 20mA) Super Bright Lighting Bulb Lamps Electronics Components Light Emitting Diodes But does that 2v mean max?
     
  5. flaper

    flaper New Member

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    This looks more like it would work. would someone comment on this one please
    Quickbuying 100Pcs 10mm 20mA Blue Red Yellow Green Round Light Emitting LED Diode Assorted Kit 5 Colors found at amazon
     
  6. Tony

    Tony Administrator Staff Member

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    Yes, the 2 volt means max voltage. Meaning if you put 5 volts into it, it will glow very bright for about 3 seconds and never work again. The first one you mentioned was a 5mm LED. You say you need a 10mm, so that one will not work. Have you measured voltage where the LED goes? If not, then you need to measure the voltage where the LED goes. If you do not measure the voltage, then there is no way to know what LED to get. The forward voltage is very critical on LED's.
     
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