The PVT212 Series Photovoltaic Relay is a single- pole, normally open solid-state relay that can replace electromechanical relays in many applications. It utilizes International Rectifier’s proprietary HEXFET power MOSFET as the output switch, driven by an integrated circuit photovoltaic generator of novel construction. The output switch is controlled by radiation from a GaAlAs light emitting diode (LED) which is optically isolated from the photovoltaic generator. These SSRs are specifically designed for industrial control and peripheral telecom applications. Series PVT212 Relays are packaged in a 6-lead molded DIP package with either thru-hole or surface mount (‘gull-wing’) terminals. It is available in standard plastic shipping tubes or on tape-and-reel.