OpenSprinkler › Forums › Hardware Questions › DIY Kit Assembly Questions › BOM to OS 3.0 & DC Driver – components definition problem › Reply To: BOM to OS 3.0 & DC Driver – components definition problem November 30, 2017 at 9:48 pm #48401 RayKeymaster Indeed that’s AO3400 and not AP3400. It’s a surface mount N-channel MOSFET. The P-channel counterpart is AO3401. 470 is 470pF. PCB-SGAP is PCB spark gap — not a component itself, just a PCB thing.
