Some months ago I bought from Digikey some cobs vero 29 c, the most efficient cob ever made, or it was some months ago.
I bought the
30 E 10K0 C 73, but not arrived exactly that model, but 30 E 10K0 C 72,
the difference is between 73 and 72.
Is that good or bad? At Bridgelux pdf it says that...