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