Here is an image showing the pin diagram of this transistor.
Classification of hFE
The KTD2060O transistor can have a current gain of 70 to 140. The gain of the KTD2060 will be in the range from 40 to 240, for the KTD2060R it will be in the range from 40 to 80, for the KTD2060Y it will be in the range from 120 to 240.
Complementary PNP transistor
The complementary PNP transistor to the KTD2060O is the KTB1368O.
SMD Version of KTD2060O transistor
The BDP951 (SOT-223) is the SMD version of the KTD2060O transistor. These transistors are of the same type, have similar parameters and are designed for surface mounting.
Replacement and Equivalent for KTD2060O transistor