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The ESD5V0D5B is engineered to safeguard voltage-sensitive semiconductor components against electrostatic discharge and transient surges in space-constrained designs. With a 5V reverse working voltage, breakdown around 6.2V, and clamping voltage of approximately 11V at 8A surge current, it delivers rapid sub-nanosecond response and ultra-low leakage performance. Featuring junction capacitance as low as 15pF, the device preserves high-speed signal integrity while providing ±30kV IEC 61000-4-2 ESD immunity and lightning surge capability, making it ideal for smartphones, portable electronics, camera modules, and compact power input protection.