The SMCJ22A-AT with a TVS SMC(DO-214AB) RoHS manufactured by Yageo is an electronic component designed to provide transient overvoltage protection. It is housed in a DO-214AB (SMC) package, and is RoHS compliant. It is rated for a peak pulse power dissipation of 1500W typical and 2500W maximum. The operating voltage range is from 5V to 220V, the clamping voltage at 10A is typically 279V, and the breakdown voltage is typically 277V. The response time is typically 5.0 nanoseconds.