Here is an image showing the pin diagram of this transistor.
Classification of hFE
The KSB986-O transistor can have a current gain of 4000 to 10000. The gain of the KSB986 will be in the range from 2000 to 30000, for the KSB986-R it will be in the range from 2000 to 5000, for the KSB986-Y it will be in the range from 8000 to 30000.
Complementary PNP transistor
The complementary PNP transistor to the KSB986-O is the KSB795-O.
Replacement and Equivalent for KSB986-O transistor