Here is an image showing the pin diagram of this transistor.
Classification of hFE
The KSC2333-O transistor can have a current gain of 30 to 60. The gain of the KSC2333 will be in the range from 20 to 80, for the KSC2333-R it will be in the range from 20 to 40, for the KSC2333-Y it will be in the range from 40 to 80.
Replacement and Equivalent for KSC2333-O transistor