2 layers

Boards in 5 GitHub repositories, designed in KiCad, that use the BCX53 by TWGMC (-55℃~+150℃ 1 PNP 100nA 1A 500mV 500mW 50MHz 5V 63 80V PNP SOT-89 Bipolar (BJT) ROHS). See how each wires it, with its parts, size, README and files; the BCX53’s symbol, footprint and pinout are on its own page.






mekanii/ESU
Below is the output scope from the sense circuit, where the pad resistance values are 5Ω, 200Ω, 1kΩ, and High Impedance.