Operating and Storage Junction Temperature Range: -55 to +150 °C
Package: TO-3PF
Pinout of 2SB1056-Q
Here is an image showing the pin diagram of this transistor.
Classification of hFE
The 2SB1056-Q transistor can have a current gain of 60 to 120. The gain of the 2SB1056 will be in the range from 40 to 200, for the 2SB1056-P it will be in the range from 100 to 200, for the 2SB1056-R it will be in the range from 40 to 80.
Marking
Sometimes the "2S" prefix is not marked on the package - the 2SB1056-Q might only be marked "B1056-Q".
Complementary NPN transistor
The complementary NPN transistor to the 2SB1056-Q is the 2SD1487-Q.
Replacement and Equivalent for 2SB1056-Q transistor