This part is a kind of semiconductor called 2MBI150U4H-120.

Function of this product has IGBT Module.

Manufacturers : Fuji Electric

Image and pinout :

Some of the text within the PDF file :

2MBI150U4H-120 IGBT MODULE (U series) 1200V / 150A / 2 in one package IGBT Modules Features High speed switching Voltage drive Low Inductance module structure Applications Inverter for Motor Drive AC and DC Servo Drive Amplifier Uninterruptible Power Supply Industrial machines, such as Welding machines Maximum Ratings and Characteristics Absolute Maximum Ratings (at Tc=25°C unless otherwise specified) Items Collector-Emitter voltage Gate-Emitter voltage Symbols VCES VGES Conditions Ic Continuous Collector current Ic pulse 1ms -Ic -Ic pulse Collector power dissipation Pc Junction temperature Tj Storage temperature Tstg Isolation voltage Between terminal and copper base (*1) Viso Screw torque Mounting (*2) Terminals (*2) 1ms 1 device AC : 1min. Note *1: All termi [ ... ]

2MBI150U4H-120 PDF Datasheet Download