Renesas Electronics Corporation (June 2004). "Small Signal Transistor Type Designation" (PDF). Archived from the original (PDF) on March 4, 2016. Retrieved June 24, 2012. https://web.archive.org/web/20160304052736/http://documentation.renesas.com/doc/products/transistor/rej27g0001_sst_typedesignation.pdf ↩
CliveTEC Electronic resources (September 9, 2004). "Transistor Data". Archived from the original on April 26, 2016. Retrieved June 24, 2012. https://web.archive.org/web/20160426190413/http://www.clivetec.0catch.com/Transistors.htm#JIS ↩