4 layers100 × 100 mm

Boards in 2 GitHub repositories, designed in KiCad, that use the BFR540 by Slkor (1 NPN 100nA 120mA 12V 2.5V 250@40mA,8V 500mW 9GHz Independent SOT-23 Bipolar (BJT) ROHS). See how each wires it, with its parts, size, README and files; the BFR540’s symbol, footprint and pinout are on its own page.

