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The 6.6SMDJ20A-H is an automotive-grade, high-reliability TVS diode designed to protect 20V DC power lines from load dump, lightning surge and inductive switching transients. With a 6600W peak pulse capability (10/1000µs), AEC-Q101 qualification and ISO 7637-2 compliance, it delivers fast clamping response and robust surge handling. The DO-214AB (SMC) package ensures long-term operational reliability.