It consists of 8 layers of heavy copper to sustain maximum current demand whilst dissipating minimal heat. This PDB can sustain up to 125A continuous to each ESC leg. 4S-12S input 8 Layers of 4oz copper to each ESC 12V @ 3A switching regulator 5V @ 3A switching regulator Overcurrent and short circuit protection on both 5V and 12V regulators Has two main power inputs, modular battery Thermal relief on all solder tabs to allow for easier soldering 2.5mm thickness for strength and reliability 58mm x 58mm in size PCB rated for 180°C continuous ISOLA 185HR dielectric glass fiber for maximum thermal performance Designed and manufactured in Australia.