D1780
It's made by NEC.. i have the datasheet.. will post it if i knew how :)
Full part number 2SD1780
2 Amp, 50 V, NPN, E-C-B (1-2-3)[pins], Hfe = 800 to 3200
I think i found a Cross for it 2SD21780 made by panasonic found at DIGIKEY