Operating and Storage Junction Temperature Range: -55 to +150 °C
Package: TO-220
Pinout of 2SA1634-F
Here is an image showing the pin diagram of this transistor.
Classification of hFE
The 2SA1634-F transistor can have a current gain of 160 to 320. The gain of the 2SA1634 will be in the range from 60 to 320, for the 2SA1634-D it will be in the range from 60 to 120, for the 2SA1634-E it will be in the range from 100 to 200.
Marking
Sometimes the "2S" prefix is not marked on the package - the 2SA1634-F might only be marked "A1634-F".
Complementary NPN transistor
The complementary NPN transistor to the 2SA1634-F is the 2SC4007-F.
SMD Version of 2SA1634-F transistor
The BDP952 (SOT-223) is the SMD version of the 2SA1634-F transistor. These transistors are of the same type, have similar parameters and are designed for surface mounting.
Replacement and Equivalent for 2SA1634-F transistor