Operating and Storage Junction Temperature Range: -55 to +150 °C
Package: TO-220
Pinout of 2SD837-R
Here is an image showing the pin diagram of this transistor.
Classification of hFE
The 2SD837-R transistor can have a current gain of 1000 to 2500. The gain of the 2SD837 will be in the range from 1000 to 10000, for the 2SD837-P it will be in the range from 4000 to 10000, for the 2SD837-Q it will be in the range from 2000 to 5000.
Marking
Sometimes the "2S" prefix is not marked on the package - the 2SD837-R might only be marked "D837-R".
Complementary PNP transistor
The complementary PNP transistor to the 2SD837-R is the 2SB751-R.
SMD Version of 2SD837-R transistor
The FZT692B (SOT-223) is the SMD version of the 2SD837-R transistor. These transistors are of the same type, have similar parameters and are designed for surface mounting.
Replacement and Equivalent for 2SD837-R transistor