Electronic components . connecting devices . multicontact edge socket and board mounted connectors for single clad printed boards with 2 , 54 mm spacing . type he 7 . general requirements 電子元件.連接裝置.間距為2 . 54 mm的單面印刷電路板用多觸點(diǎn)棱形插座和板上安裝式連接器. he 7型.一般要求