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The SMCJ58A-H is an automotive-grade, high-reliability TVS diode designed for transient overvoltage protection in 48V automotive systems. Featuring a 1500W peak pulse rating (10/1000µs) and AEC-Q101 compliance, it provides fast clamping to suppress load dump, surge, and switching transients. The DO-214AB (SMC) package ensures compact and durable PCB integration.