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SMDJ200A is a high-power TVS diode built to protect 200V DC rails from surge and switching transients in harsh electrical environments. With 3000W peak pulse capability (10/1000µs) and fast response, it clamps overvoltage events to safeguard power semiconductors and control ICs. The DO-214AB (SMC) package enables rugged, space-efficient protection for industrial power supplies and DC bus systems.