Operating and Storage Junction Temperature Range: -55 to +150 °C
Package: TO-3P
Pinout of 2SD858-Q
Here is an image showing the pin diagram of this transistor.
Classification of hFE
The 2SD858-Q transistor can have a current gain of 70 to 150. The gain of the 2SD858 will be in the range from 40 to 250, for the 2SD858-P it will be in the range from 120 to 250, for the 2SD858-R it will be in the range from 40 to 90.
Marking
Sometimes the "2S" prefix is not marked on the package - the 2SD858-Q might only be marked "D858-Q".
Complementary PNP transistor
The complementary PNP transistor to the 2SD858-Q is the 2SB763-Q.
Replacement and Equivalent for 2SD858-Q transistor