Operating and Storage Junction Temperature Range: -55 to +150 °C
Package: TO-3P
Pinout of KTB688B
Here is an image showing the pin diagram of this transistor.
Classification of hFE
The KTB688B transistor can have a current gain of 55 to 160. The gain of the KTB688B-O will be in the range from 80 to 160, for the KTB688B-R it will be in the range from 55 to 110.
Complementary NPN transistor
The complementary NPN transistor to the KTB688B is the KTD718B.