Ignition apparatus for internal combustion engine.

摘要

Provided is an ignition apparatus for internal combustion engines with higher reliability for the solder bonding parts. The ignition apparatus is composed of a mold case having an input-output terminal formed on the mold case as a single body, a semiconductor switching device, a control circuit board, and a heat sink. On the heat sink, single or a plurality of laminated structure is used, including the semiconductor switching devices with beryllia as an electric insulation plate.