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The SMCJ90A-H is an automotive-grade, high-reliability TVS diode designed for transient overvoltage protection on 90V DC power rails. Rated at 1500W peak pulse power (10/1000µs) and qualified to AEC-Q101, it provides fast clamping to suppress surge, load dump, and switching transients. The DO-214AB (SMC) package enables compact PCB design and reliable operation in automotive and industrial systems.