Semiconductor device with surge protection circuit
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United States of America Patent
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Issued Date -
Jun 24, 2004
app pub date -
Aug 18, 2003
filing date -
Dec 19, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A semiconductor device with a surge protection circuit includes a surge protection circuit electrically connected to a signal input terminal and having an npn transistor and an npn transistor. The semiconductor device is configured such that the npn transistor is more susceptible to breakdown than the npn transistor, by implementing such a configuration that a narrowest region of a base of the npn transistor has a width different from that of a narrowest region of a base of the npn transistor. Thus, a semiconductor device with a surge protection circuit attaining a normal operation can be obtained.
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