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The SMDJ220A-H is an automotive-grade, high-reliability TVS diode designed to protect voltage-sensitive electronics from high-energy transients. Rated at 3000W peak pulse power (10/1000µs) and compliant with AEC-Q101, it delivers fast response and strong clamping capability against lightning surges, load dump, and switching transients. The DO-214AB (SMC) package enables robust thermal performance and long-term reliability in automotive, industrial power, and high-voltage DC applications.