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The ESD12VD8B is optimized for high-speed interfaces where minimal capacitive loading and strong ESD immunity are required. With a 12V reverse working voltage, breakdown voltage of 13–17V, and clamping voltage around 18V at 7A surge current, it maintains junction capacitance as low as 15pF. Supporting ±30kV IEC ESD immunity and lightning surge endurance, it is ideal for USB, HDMI, Ethernet, wearable devices, and high-density portable electronics.