This part is a kind of semiconductor called 2MBI300N-120-01.

Function of this product has 1200V / 300A 2 in one-package.

Manufacturers : Fuji

Image and pinout :

Some of the text within the PDF file :

2MBI300N-120-01 1200V / 300A 2 in one-package Features · VCE(sat) classified for easy parallel connection · High speed switching · Voltage drive · Low inductance module structure IGBT Module Applications · Inverter for Motor drive · AC and DC Servo drive amplifier · Uninterruptible power supply · Industrial machines, such as Welding machines Equivalent Circuit Schematic C2E1 Maximum ratings and characteristics Absolute maximum ratings (at Tc=25°C unless otherwise specified) Item Collector-Emitter voltage Gate-Emitter voltage Collector Continuous current 1ms 1ms Max. power dissipation Operating temperature Storage temperature Isolation voltage Screw torque Symbol VCES Unit Rating V 1200 V VGES ±20 A IC 300 A IC pulse 600 A -I C 300 A -IC pulse 600 W PC 2100 °C Tj +150 °C Tst [ ... ]

2MBI300N-120-01 PDF Datasheet Download