2sd1262.pdf datasheet:

Power Transistors2SD1262, 2SD1262ASilicon NPN triple diffusion planar type DarlingtonUnit: mmFor midium speed power switching 8.5 0.2 3.4 0.36.0 0.5 1.0 0.1Complementary to 2SB939 and 2SB939AFeaturesHigh foward current transfer ratio hFE1.5max. 1.1max.High-speed switching0.8 0.1 0.5max.N type package enabling direct soldering of the radiating fin tothe printed circuit board, etc. of small electronic equipment.2.54 0.35.08 0.51:BaseAbsolute Maximum Ratings (TC=25C) 1 2 32:Collector3:EmitterParameter Symbol Ratings UnitN Type PackageCollector to 2SD1262 60Unit: mmVCBO V8.5 0.2 3.4 0.3base voltage 2SD1262A 806.0 0.3 1.0 0.1Collector to 2SD1262 60VCEO Vemitter voltage 2SD1262A 80Emitter to base voltage VEBO 7 VPeak collector current ICP 12 AR0.50.8 0.1Collector current IC 8 A R0.50 to 0.4