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If MOV-based surge protective devices are used, the current System tests with mobile radio equipment from different
flows into the terminal equipment to be protected over the manufacturers clearly show that only spark gaps ensure the
entire impulse duration. In many cases, the connected a.c. / d.c. required degree of protection in this field of application.
power supply unit and system technology are damaged and in
the worst case completely destroyed (Figure 9.17.8).
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