Operating and Storage Junction Temperature Range: -55 to +150 °C
Package: TO-220F
Pinout of 2SD2374
Here is an image showing the pin diagram of this transistor.
Classification of hFE
The 2SD2374 transistor can have a current gain of 70 to 250. The gain of the 2SD2374-P will be in the range from 120 to 250, for the 2SD2374-Q it will be in the range from 70 to 150.
Marking
Sometimes the "2S" prefix is not marked on the package - the 2SD2374 might only be marked "D2374".
Complementary PNP transistor
The complementary PNP transistor to the 2SD2374 is the 2SB1548.