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The 5.0SMDJ120A-H is an automotive-grade, high-power TVS diode designed to protect 120V DC power lines from surge, load dump and switching transients. With a 5000W peak pulse rating (10/1000µs) and AEC-Q101 compliance, it ensures fast response and stable clamping performance. The DO-214AB (SMC) package enables reliable surface-mount use in automotive and industrial power electronics.