Photo Relays are a type of photocouplers consisting of an LED optically coupled with a MOSFET. Photo Relays offer many advantages over mechanical relays such as long service life, low-current drive and fast response. Photorelays are widely used for contact switching in semiconductor test systems, security systems, etc. LITEON offers low RON, low CoFF Photo Relays in various packages featuring high current and high off-state voltage.