Hello,
In the early days of Elektor they used minimum specs for transistors and diodes.
They called them TUN TUP DUS and DUG.
Here is a page from an old Elektor book with the specs and examples:
I found this page in the following book on the internet archive:
Bertus
In the early days of Elektor they used minimum specs for transistors and diodes.
They called them TUN TUP DUS and DUG.
Here is a page from an old Elektor book with the specs and examples:
I found this page in the following book on the internet archive:
Elektor Book 75 : Ross Herbert : Free Download, Borrow, and Streaming : Internet Archive
Elektor Book 75 issued in 1977
archive.org
Bertus
