I got this emitter from Kaidomain on a 20 mm MCPCB. [image] Mounted on a CPU heatsink with a nice splash of thermal paste and over the top 16 AWG wires. [image] Purchase link: http://kaidomain.com/Luminus-SST-20-J4-FB4-Neutral-White-4000K-LED-Emitter?search=Luminus%20SST-20 Data sheet. Exact order and bin code: SST-20-W40H-A120-J4FB4 VH Where SST-20=self explanatory W=white LED 40=4000 K H=CRI 95 A=solder pad configuration (3.25 x 3.25 mm) 120=viewing angle, 120° J4=flux bin, 107-1…