Operating and Storage Junction Temperature Range: -55 to +150 °C
Package: TO-3PF
Pinout of 2SC4428-M
Here is an image showing the pin diagram of this transistor.
Classification of hFE
The 2SC4428-M transistor can have a current gain of 15 to 30. The gain of the 2SC4428 will be in the range from 10 to 40, for the 2SC4428-L it will be in the range from 10 to 20, for the 2SC4428-N it will be in the range from 20 to 40.
Marking
Sometimes the "2S" prefix is not marked on the package - the 2SC4428-M might only be marked "C4428-M".
Replacement and Equivalent for 2SC4428-M transistor