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