Here is an image showing the pin diagram of this transistor.
Classification of hFE
The KSB707-Y transistor can have a current gain of 100 to 200. The gain of the KSB707 will be in the range from 40 to 200, for the KSB707-O it will be in the range from 60 to 120, for the KSB707-R it will be in the range from 40 to 80.
Complementary NPN transistor
The complementary NPN transistor to the KSB707-Y is the KSD568-Y.
Replacement and Equivalent for KSB707-Y transistor