Operating and Storage Junction Temperature Range: -55 to +150 °C
Package: TO-220F
Pinout of 2SD1891-P
Here is an image showing the pin diagram of this transistor.
Classification of hFE
The 2SD1891-P transistor can have a current gain of 5000 to 15000. The gain of the 2SD1891 will be in the range from 5000 to 30000, for the 2SD1891-Q it will be in the range from 8000 to 30000.
Marking
Sometimes the "2S" prefix is not marked on the package - the 2SD1891-P might only be marked "D1891-P".
Complementary PNP transistor
The complementary PNP transistor to the 2SD1891-P is the 2SB1251-P.
Replacement and Equivalent for 2SD1891-P transistor