Here is an image showing the pin diagram of this transistor.
Classification of hFE
The KSH772-Y transistor can have a current gain of 160 to 320. The gain of the KSH772 will be in the range from 60 to 400, for the KSH772-G it will be in the range from 200 to 400, for the KSH772-O it will be in the range from 100 to 200, for the KSH772-R it will be in the range from 60 to 120.
Complementary NPN transistor
The complementary NPN transistor to the KSH772-Y is the KSH882-Y.
Replacement and Equivalent for KSH772-Y transistor