SMD Code ER

[menotbug]

I'm opening a dead Sony PSP charger, inside i found an SC-70 which by its circuitry logically identified as NPN transistor...
after digging up via google i found 2SC5815 by Isahaya japan...
here the datasheet:

2SC5815 (web)
2SC5815 Datasheet

please kindly update the db, since "other" smd site seems to already have it...

sorry for bad english...

[s-manuals.com]

Thanks for your help.
Added.