Operating and Storage Junction Temperature Range: -55 to +150 °C
Package: TO-220
Pinout of 2SB1375
Here is an image showing the pin diagram of this transistor.
Marking
Sometimes the "2S" prefix is not marked on the package - the 2SB1375 might only be marked "B1375".
Complementary NPN transistor
The complementary NPN transistor to the 2SB1375 is the 2SD2012.
SMD Version of 2SB1375 transistor
The BDP950 (SOT-223) is the SMD version of the 2SB1375 transistor. These transistors are of the same type, have similar parameters and are designed for surface mounting.