Rate power from 0.25W~40W, SIP, DIP, SMD version package optional, isolation voltage from 1KV DC,1.5KV ... DC to 6KV DC, with our own patents.Application:All parts are RoHs compliance and most with safety approvals (UL/CE ... transit, communication, telecom, etcFor more information please email to me SMD DC-DC Converter for electronic product