| 摘要 |
Provided is a switching element including: first switching element primarily used for formation of a two-way current path; a second switching element that forms, at the time when the first switching element is turned off, a current path by switching a parasitic diode from another; and a third switching element. The second and third switching elements may be of smaller chip size because they allow a current to flow through them only while the current path of the first switching element is being switched. This contributes miniaturization of the switching element as well as reduction in the ON resistance. Moreover, adoption of the switching element to a protection circuit realizes miniaturization of the protection circuit.
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