This part is a kind of semiconductor called 6MBI15S-120.

Function of this product has IGBT MODULE ( S series)1200V / 15A.

Manufacturers : Fuji Electric

Image and pinout :

Some of the text within the PDF file :

6MBI15S-120 IGBT MODULE ( S series) 1200V / 15A 6 in one-package Features · Compact package · P.C.board mount · Low VCE(sat) IGBT Modules 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 (Tc=25°C unless otherwise specified) Item Symbol Collector-Emitter voltage VCES Gate-Emitter voltage VGES Collector Continuous Tc=25°C IC current Tc=80°C 1ms Tc=25°C IC pulse Tc=80°C -I C 1ms -IC pulse Max. power dissipation (1 device) PC Operating temperature Tj Storage temperature Tstg Isolation voltage Vis Screw torque Mounting *1 *1 : Recommendable value : 2.5 to 3.5 N·m (M5) Rating 1200 ±20 25 15 50 30 15 30 110 +150 -40 t [ ... ]

6MBI15S-120 PDF Datasheet Download