Hi Guys, i didnt found anything about these leds here (search made for LM561C).
Even theyre quite small, they look promissing.
http://www.digikey.com/product-detail/en/samsung-semiconductor-inc/SPMWHT541ML5XAVMS6/1510-2145-6-ND/6569519
and similar from the LM561C line up
Rated at above 200...