Operating and Storage Junction Temperature Range: -55 to +150 °C
Package: TO-220
Pinout of 2SA1288
Here is an image showing the pin diagram of this transistor.
Classification of hFE
The 2SA1288 transistor can have a current gain of 70 to 280. The gain of the 2SA1288 will be in the range from 70 to 280, for the 2SA1288-Q it will be in the range from 70 to 140, for the 2SA1288-R it will be in the range from 100 to 200, for the 2SA1288-S it will be in the range from 140 to 280.
Marking
Sometimes the "2S" prefix is not marked on the package - the 2SA1288 might only be marked "A1288".
Complementary NPN transistor
The complementary NPN transistor to the 2SA1288 is the 2SC3252.