Here is an image showing the pin diagram of this transistor.
Classification of hFE
The KTD882-GR transistor can have a current gain of 200 to 400. The gain of the KTD882 will be in the range from 100 to 400, for the KTD882-O it will be in the range from 100 to 200, for the KTD882-Y it will be in the range from 160 to 320.
Complementary PNP transistor
The complementary PNP transistor to the KTD882-GR is the KTB772-GR.
Replacement and Equivalent for KTD882-GR transistor