Operating and Storage Junction Temperature Range: -55 to +150 °C
Package: TO-220F
Pinout of 2SB1299
Here is an image showing the pin diagram of this transistor.
Classification of hFE
The 2SB1299 transistor can have a current gain of 300 to 700. The gain of the 2SB1299P will be in the range from 400 to 700, for the 2SB1299Q it will be in the range from 300 to 500.
Marking
Sometimes the "2S" prefix is not marked on the package - the 2SB1299 might only be marked "B1299".
Complementary NPN transistor
The complementary NPN transistor to the 2SB1299 is the 2SD1273.