Can someone to tell me what is the driver diameter of new S21B. It is 22mm? From Simon store I saw that XHP50.2 version used the new 3A boost driver which is 22mm. Also now we also have very good buck driver for 3V in 22mm so we have nice S21B host for new switching drivers from Convoy, if it used 22mm drivers.
To be more precise, since output data was collected each 0.25A, we need to analyze previous and subsequent data:
2.25A: 2500 lemmings
2.50A: 2570.
2.75A: 2580.
3.00A: 2530.
Peak was somewhere between 2.5 and 2.75A. Since 2.25A shows a lower value than 3A, we can infer that the peak was closer to 2.75 than to 2.5A, probably at ≈2.66A.
Test data shows that at 2A output was already above 92% (2380/2580) of the measured peak, and 96.9% at 2.25A. In my opinion, 2.1A is already hot enough (close to 94%), imho. There's simply not enough XHP35 test data, just (!) one test. For a driver which must be paired with all sorts of XHP35 emitters, I think it is wiser not to go overboard. Not all emitters peak the same, check SST-20 tests for example: 6500K (peaked at ≈6.75A), 4000K (peaked and died at 7A?), 3000K (peaked at ≈6.15A).
Before the Chinese New Year, we have to stock up for many customers, and the employees are also unstable. After about 3-7 days, I will update the product link.
Simon, very serious question on behalf of many here. You seem to have access to early samples of emitters from Luminus like the SFT-70. Whoever your source is, could you inquire about potential availability of 95CRI SST-40 ? We’re missing a good 5050 HiCRI option.
I can give feedback to Luminus, but I feel hopeless.
I can ask Getian to produce some 5050 90CRI LEDs, but the brightness may not be very high. Are you interested in this?
Thanks for your confirmation. I wanted to make sure, because someone wrote somewhere that black has a forward switch, and gray and silver has a reverse.