This part is a kind of semiconductor called 6DI15S-050.

Function of this product has (6DIxxx-050) High Power Transistor Modules.

Manufacturers : ETC

Image and pinout :

Some of the text within the PDF file :

Power Devices Power Transistor Modules 600 volts class high hFE power transistor modules Device type VCBO Volts 600 600 600 600 600 600 600 600 600 600 VCEO (sus) Volts 450 450 450 450 450 450 450 450 450 450 IC Cont. Amps. 30 50 75 100 100 150 150 200 300 400 PC Watts 250 310 350 620 620 690 690 800 1380 1500 hFE(Tj=125˚C) (Min.) IC Amps. 750 30 750 50 750 75 1000 100 1000 100 1500 150 1500 150 2000 200 3000 300 2000 400 VCE Volts 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 Switching time(Max.) ton tstg tf µsec. µsec. µsec. 3.0 8.0 3.0 3.0 8.0 3.0 3.0 8.0 3.0 3.0 8.0 3.0 3.0 8.0 2.0 3.0 8.0 3.0 3.0 8.0 2.0 3.0 8.0 2.0 5.5 8.0 2.0 8.5 8.0 2.0 Package Net mass Grams 175 175 175 340 450 340 450 470 470 470 2DI30M-050 2DI50M-050 2DI75M-050 2DI100M-050 2DI100MA-050 2DI150 [ ... ]

6DI15S-050 PDF Datasheet Download