IS: Info/Announcements: Quad and Triple XP Series 20mm Copper Direct Thermal Boards (7/3)

Kaidomain lists the Nichia 219B 220 R85 D220 typ92CRI for a few months now, their information has proven unreliable in the past, but since yesterday Intl-outdoor now lists the same led too (on boards and bare), does this mean that that their bin claim can not be trusted either?

The EAX?

I'm not sure I understand the question, I'm sure Kaidomain can source products just fine.

Yes the eax :slight_smile:

Sorry, I wasn't clear, I was responding to this:

So how do Kaidomain and Intl-outdoor do that? How are they allowed to sell bare Nichia219's while IS are not?

I'm looking into acquiring some.

I imagine they're not buying from Nichia directly and can't be traced.

There's European stores retailing Nichia 219A LED for a long time, and 219B since they were announced, just not that particular SW45.

CREE XP-L Bare LEDs Available

Driver restock with better pricing:

8xAMC7135 (3.04A) (Selectable) Mode Driver (Nanjg 105c) $2.75
AX2002 1.5A Single Mode Buck Driver (Nanjg 106A) $2.00
4xAMC7135 (1.52A) 3/5 Mode Driver (Nanjg 101-AK-A1) $2.50

Very curious to see how these perform.

Made by Alexey ‘Dsche’ from the Russian ‘Fonarevka’ forum, these Quad and Triple 20mm Copper Direct Thermal boards are now available here.

20mm Copper Direct Thermal Triple XP Series MCPCB
20mm Copper Direct Thermal Quad XP Series MCPCB

Are there any optics available for the quad?

QUAD XPL!!!

I'm excited about those mcpcb's. I ordered them directly from dsche and they were supposed to be delivered today, but I'm not sure what happened. XP-L Carclo optics are coming, but I don't know anything else about them.

Carclo 20mm Quad Optics should work with these boards, like the 10624. Not sure if they work with XP-L though.

So these are called “20mm quad optics”, but the actual diameter for the lens array is 24mm? So, this star + optic would require a pill that takes a 20mm star, but the head inner diameter would need to be at least 24mm?

[quote=ohaya]

So these are called “20mm quad optics”, but the actual diameter for the lens array is 24mm? So, this star + optic would require a pill that takes a 20mm star, but the head inner diameter would need to be at least 24mm?[/quote

Sorry you are correct, the optics are actually 24mm Quad Optics, my error.

[quote=CalvinIS]

No problem.

Also, how are the emitters on the quad board connected? Are they in parallel? Or in series?

Depending on how you wire it, the board is configurable in 1) 4S, 2) 2S2P, and 3) 4P.

I’m probably being a bit obtuse. I get the (1) and (2) configs, but I don’t understand the (3) config (4P). Why are there 3 “wires” from the right side (battery side) to the left side (star)? I probably would just want the 4P config, so how do I wire that “normally” (= only 2 wires from the driver to the star)?

Does anyone know the answer to my question above, per a more conventional 4P configuration (4 emitters in parallel) and just 2 emitter wires (+ and -) from whatever driver I use to the star pads?

Why not ask dsche?

If mine actually arrive today, I'll take a closer look for you.