CT Micro International's CT354A(V)(T1) with Optocouplers SOP-4 RoHS is a four-channel optocoupler housed in a surface-mount package. The CT354A(V)(T1) provides isolation between two circuits and is used to protect circuits from noise, safely switch high-voltage signals, and improve the system's EMC performance. The optocouplers are compliant with the RoHS directive and may be incorporated into a range of applications. The RoHS certification ensures that it is manufactured with hazardous materials substitution and without containing lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls, and polybrominated diphenyl ethers.