Editing Transistor (section)

===Japanese Industrial Standard (JIS)===
In Japan, the [[JIS semiconductor designation]] (|JIS-C-7012), labels transistor devices starting with ''2S'',<ref>{{cite web |url=http://www.clivetec.0catch.com/Transistors.htm#JIS |title=Transistor Data |publisher=Clivetec.0catch.com |access-date=May 1, 2016 |url-status=live |archive-url=https://web.archive.org/web/20160426190413/http://www.clivetec.0catch.com/Transistors.htm#JIS |archive-date=April 26, 2016 }}</ref> e.g., 2SD965, but sometimes the 2S prefix is not marked on the package–a 2SD965 might only be marked ''D965'' and a 2SC1815 might be listed by a supplier as simply ''C1815''. This series sometimes has suffixes, such as R, O, BL, standing for red, orange, blue, etc., to denote variants, such as tighter ''h''<sub>FE</sub> (gain) groupings.

{|class="wikitable"
|+ JIS transistor prefix table
|-
! Prefix !! Type and usage
|-
|2SA || high-frequency p–n–p BJT
|-
|2SB || audio-frequency p–n–p BJT
|-
|2SC || high-frequency n–p–n BJT
|-
|2SD || audio-frequency n–p–n BJT
|-
|2SJ || P-channel FET (both JFET and MOSFET)
|-
|2SK || N-channel FET (both JFET and MOSFET)
|}