2 layers37 × 113.9 mm

Boards in 2 GitHub repositories, designed in KiCad, that use the PN4391 by onsemi (-55℃~+150℃ 1 N-channel 14pF 30Ω 350mW 4V 50mA N-Channel TO-92-3 JFETs ROHS). See how each wires it, with its parts, size, README and files; the PN4391’s symbol, footprint and pinout are on its own page.