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The 5.0SMDJ170A-H is an automotive-grade, high-reliability TVS diode designed to protect voltage-sensitive components from high-energy transient overvoltage events on high-voltage DC power lines. Rated at 5000W peak pulse power (10/1000µs) and compliant with AEC-Q101, it delivers fast clamping response, low dynamic resistance and excellent surge handling capability. Housed in a DO-214AB (SMC) surface-mount package, it is ideal for load dump protection, lightning surge suppression and transient voltage control in automotive, industrial power supplies and high-voltage control systems.