4 layers38.1 × 66 mm

BGeigieScint
Safecast/bGeigieScint
The board features an integrated boost converter + linear regulator topology for SiPM bias generation:
100 parts2
Boards in 1 GitHub repository, designed in KiCad, that use the BAS21HT1G by onsemi (-55℃~+150℃@(Tj) 1.25V@200mA 100nA@200V 200mA 200mW 250V 50ns 625mA Independent SOD-323 Switching Diodes ROHS). See how each wires it, with its parts, size, README and files; the BAS21HT1G’s symbol, footprint and pinout are on its own page.

Safecast/bGeigieScint
The board features an integrated boost converter + linear regulator topology for SiPM bias generation: