The CPC1230N is a miniature 1-Form-A solid state relay in a 4 pin SOP package that employs optically coupled MOSFET technology to provide 1500V of input to output isolation and is BSI certified for supplemental insulation in accordance with EN60950. The efficient MOSFET switches and photovoltaic die use Clare's patented OptoMOS architecture. The optically coupled input is controlled by a highly efficient GaAIAs infrared LED. The CPC1230N uses Clare's state of the art double molded vertical construction packaging to produce the world's smallest 4 pin relay. The CPC1230N offers board space savings of at least 20% over the competitor's larger 4 pin SOP relay.