Here is an image showing the pin diagram of this transistor.
Classification of hFE
The KSA928A-Y transistor can have a current gain of 160 to 320. The gain of the KSA928A will be in the range from 100 to 320, for the KSA928A-O it will be in the range from 100 to 200.
Marking
The KSA928A-Y transistor is marked as "A928A-Y".
Complementary NPN transistor
The complementary NPN transistor to the KSA928A-Y is the KSC2328A-Y.
SMD Version of KSA928A-Y transistor
The 2SA1203 (SOT-89), 2SA1203-Y (SOT-89), FMMT549 (SOT-23), FMMT549A (SOT-23), KTA1663 (SOT-89) and KTA1663Y (SOT-89) is the SMD version of the KSA928A-Y transistor. These transistors are of the same type, have similar parameters and are designed for surface mounting.
KSA928A-Y Transistor in TO-92 Package
The 2SA928A-Y is the TO-92 version of the KSA928A-Y.
Replacement and Equivalent for KSA928A-Y transistor