Abstract

We have developed semiconductor lightning-surge-protection devices for communications equipment. To improve the surge-handling capability of the device, distributed emitter structure and thin substrate were introduced based on transient thermal design and low energy dissipation design. High break-over voltage and high surge-handling capability device techniques were developed for both planer and mesa structures. These devices provide highly reliable communications equipment against over-voltages and over-currents caused by both nearby and far-end lightning return strokes.

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