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The ESD12VD9B protects voltage-sensitive circuits from ESD and transient surges while maintaining low leakage and minimal capacitive impact. Featuring a 12V reverse working voltage, breakdown around 13.8V, clamping voltage near 30V, and junction capacitance of only 14pF, it supports peak pulse power of 150W in an ultra-small SOD-923 footprint. It is ideally suited for smartphones, digital cameras, portable power rails, and compact electronic modules.