Online shops for electrical part supplies. for residents of Japan

Strawberry Linux (yeah, odd but that is the name of this shop)
http://strawberry-linux.com/

Switch Science
http://www.switch-science.com/

Akizuki
http://akizukidenshi.com/

Digi-Key
http://parts.digikey.jp/

Marutsu Parts-kan
https://www.marutsu.co.jp/user/index.php

Sengoku Densyo
http://www.sengoku.co.jp/modules/wraps/index.php/index.htm

Chip 1 Stop
http://www.chip1stop.com/