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Out of curiosity, I recently opened a damaged measurement device (it´s some kind of lab spectrometer, but I am not sure) that contains a LED with a package like I have not seen before (see picture).

enter image description here

I tried to find out what type it is since it somehow looks "special". Unfortunately, I did not find LEDs looking similar when searching through various distributor websites and I am not sure how I could narrow the search parameters. I only know that it emitts yellow light. Does anyone have an idea which type it could be?

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    \$\begingroup\$ Looks like a normal SMD (surface-mount device) to me. They're actually quite common. \$\endgroup\$
    – Dave Tweed
    Commented Dec 11, 2018 at 14:25
  • \$\begingroup\$ Plain old 0603 or 0805 LED. \$\endgroup\$
    – Lundin
    Commented Dec 11, 2018 at 14:53

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Looks like a rather normal SMD LED with a clear lens. The conductor layout is quite typical.

Since the photo has no size reference, I can't be too specific, but looking for (yellow,orange,amber) SMD LEDs that have (clear,undiffused,rectangular) lens yielded this 832 matches strong list at Mouser, many of which look very similar to your photo:

https://www.mouser.de/Optoelectronics/LED-Emitters/Standard-LEDs-SMD/_/N-ec21j?P=1z0yt0uZ1z0ystyZ1z0yt3tZ1z0yrm8Z1yzu6qqZ1yzu6qsZ1yzt27lZ1yzrvh4Z1z0yqpiZ1y9c4lvZ1z0yt2qZ1z0yrdjZ1z0yt3jZ1yzu7g1Z1z0yt3s

for example, the Würth 156120YS75000

Würth SMD LED

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  • \$\begingroup\$ Ah, great thanks.. "water clear" attribute for the lens was what i was missing.. \$\endgroup\$
    – Junius
    Commented Dec 11, 2018 at 15:16

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