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