EE13 bobbin for charging pile transformer. 4+4 pin EE13 ferrite core bobbin. Parallel Distance=8.5mm. Pin pitch=3.33mm.Coil former Size=12.2mmX9.8mmX9.3mm. We produce and design various EE13 electronic transformers, mainly used for power supplies, lighting, UPS, computer equipment, telecom communication systems, welding machines and other industries.