Operating and Storage Junction Temperature Range: -65 to +150 °C
Package: TO-3
Pinout of 2SA680-Y
Here is an image showing the pin diagram of this transistor.
Classification of hFE
The 2SA680-Y transistor can have a current gain of 70 to 140. The gain of the 2SA680 will be in the range from 40 to 140, for the 2SA680-R it will be in the range from 40 to 80.
Marking
Sometimes the "2S" prefix is not marked on the package - the 2SA680-Y might only be marked "A680-Y".
Complementary NPN transistor
The complementary NPN transistor to the 2SA680-Y is the 2SC1080-Y.
Replacement and Equivalent for 2SA680-Y transistor