The Isocom Components 2004 LTD Optoisolators - Transistor, Photovoltaic Output ISP847XSM optocoupler is a Surface Mount Device Isolated Package (SMDIP) with a Quad Transistor Output configuration that is designed to provide an isolated interface between two different circuits. With a high level of isolation voltage, it offers the ultimate in reliable isolation performance — up to 8000 Vrms — and an audible noise suppression of up to 56 dB. The package also features an integrated shield and an accessible mounting screw that makes it easy to attach to an electronic system within a fraction of the time and effort required with other models. The Isocom Optoisolators provide an ideal interface solution for LED lighting systems, signal conditioning, and monitoring applications.