Solid State Optronics (SSO) is a pioneering designer and manufacturer of optically isolated switching devices including Optocouplers, MOSFET Drivers, TRIAC Drivers, Solid State Relays, and Integrated Telecom Switches. Our product line covers a broad array of devices from subminiature optocouplers in 4SSOP packages, to Quad SSRs offering 4 discrete SSRs in one compact 16 SOIC package.