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Thread: Identify 5.6mm with 4 leads?

  1. #1
    Join Date
    Sep 2007
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    Default Identify 5.6mm with 4 leads?

    Just got a few 5.6mm red diodes. Bit oddball. anyone know anything? Fairly low power They take 100mA and I'd guess are putting out around 20-40mW. What might identify them is that instead of 3 leads they have 4 which I assume are totally isolated LD and PD. They are open emitter and linear in operation. No numbers on them. I can get them fairly cheap if they are of any use.

    TIA
    Last edited by 450nm; 12-31-2007 at 06:14. Reason: Bad formatting
    A lovely childhood. Just me my mother and the voices.

  2. #2

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    Quote Originally Posted by 450nm View Post
    Just got a few 5.6mm red diodes. Bit oddball. anyone know anything? Fairly low power They take 100mA and I'd guess are putting out around 20-40mW. What might identify them is that instead of 3 leads they have 4 which I assume are totally isolated LD and PD. They are open emitter and linear in operation. No numbers on them. I can get them fairly cheap if they are of any use.

    TIA
    I've seen some 150mW 978nm diodes with 4 leads. Instead of having a combined lead between the photodiode and laser diode, it had two separate sets of pins for each. At 100mA though, we're obviously talking about different spec'd diodes here =/

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