Is there a equivalent to the CREE bin graph for Nichia?
Is the 4500k the only 92 CRI LED?
Are exactly the same dimensions as XP-G/XP-G2 or just very similar?
How does the beam angle compare to XP-G?
Anything else I should know?
Even links to pictures and articles will be a great help.
I am gathering information for a Nichia 219 limited edition group buy of a currently available XP-G light.
Cree’s 4A/4D tint bins are about equivalent to Nichia’s SW45 tint bin. The 219 has the same footprint as the XP-E/G/2 and so can be used with XP-footprint MCPCBs. I think the viewing angle is similar to the XP-G1 but not exactly the same.
But to answer your questions: Nichia has only released some numbers, but I will put those into a graph for you and post it. Yes, only the H1 bin is the High CRI one. They are almost exactly the same size, one of the differences is the size and shape of the anode and cathode. Despite this they work quite well on stars meant for XP-G LEDs. I have personally never seen a listed beam angle, but I will look around a bit more to try to find one for you.
Exactly, the Nichia 219-H1 comes in these tints: SW27, SW30, SW35, SW40, and SW45. Are you planning on trying to buy them from Nichia? Or Newark/Digikey/Cutter/other electronic sites.
I'm not sure if this has been mentioned yet. The 219 is not the same size as an XPG. The footprint is about the same, but the substrate is thinner, which makes the 219 sit lower than the XPG. The difference is tiny, but it's enough to create a ringy beam when used with certain XPG reflectors. So if you want a ring-free beam, you have to make sure that the reflector is properly mated to the emitter.
True, but most reflectors will just sit on top of the substrate; but if it does not use that design then you may want to use a slightly thicker mpcb or an OP reflector.
Well, the Nichia is ~0.53mm while the XPG is ~0.73mm. Thats 0.2mm.. wont really have an influence. Most solder connections from emitter to star make a bigger difference.