Not yet. Just got quad dtp stars that I was gonna use to refit an old-timey-looking lantern. Probably will stick in some 351Bs (3000K) for now, which should look nice.
It’s standard 21mm in 4P config
I don’t think it will create any artefacts at all. Didn’t make it in unique rotation because the dual dies in each emitter are too wide apart to each other and already asymmetric.
If in any case there’s artefacts at all, then frosted TIR should cure it easily. It fits all Carclo 106xx
Wow thanks! That’s super useful information!
Clemence, if you have a next order from Nichia, could you ask for some 219D samples? Or did you already have some (can’t remember). I really wonder why the 219D exists while none of the specs are significantly different from the 219C. Or are they simply cheaper?
Already place the sample request but unfortunately it’s 119D. It’s superior for a special application 
- Clemence
Looking at
http://www.nichia.co.jp/en/product/led_product_data.html?type='NVSW219D'
and
they seem exactly the same
BTW, 219D is just as efficient as 219C despite having smaller die.
May be OK for throwers?
Quiz of the day. No, they’re not the same. Find the difference
- Clemence
The yellow dot on 119D is yellower? Different colour temperature? (Though exactly the same performance indicates otherwise)
Looked at the datasheet. Different soldering pad.
Narrower half-illumination angle (and a little bit more height), if I remember well (i.e. probably good for throwers).
G _ _ _ _ L _ _ _
Good_Luck?
:laughing: nope
Anyone are welcome to try the quiz EXCEPT Djozz and Zak
BTW, I already mentioned different soldering pad. I suppose there’s another difference? Or maybe this one, but you worded it differently?
No, the 119D and 119C have the same foot print. This is another obvious difference
G L A S S L E N S
I’m really hoping that this is not another typo. If this is the case then dedoming this LED would be the easiest and cleanest dedoming job with less lumen loss as usual. The idea of using multi refractive index material was introduced three years ago by a chinese scientist. He demonstrated more than 21% output using the same die. He used 5 layers silicone from the high to low to slowly reduce the RI transition to extract more photons off the die.
- Clemence
You mean the difference between 119C and 119D? I haven’t seen that comparison in the posts above (or 119C being mentioned at all).