This part is a kind of semiconductor called IRGP4750D-EPbF.

Function of this product has Insulated Gate Bipolar Transistor.

Manufacturers : International Rectifier

Image and pinout :

Some of the text within the PDF file :

IRGP4750DPbF IRGP4750D-EPbF VCES = 650V IC = 50A, TC =100°C tSC 5.5µs, TJ(max) = 175°C VCE(ON) typ. = 1.7V @ IC = 35A Applications  Industrial Motor Drive  UPS  Solar Inverters  Welding Features Low VCE(ON) and Switching Losses 5.5µs Short Circuit SOA Square RBSOA Maximum Junction Temperature 175°C Positive VCE (ON) Temperature Coefficient Lead-Free, RoHs compliant Insulated Gate Bipolar Transistor with Ultrafast Soft Recovery Diode C G E n-channel G Gate E GC IRGP4750DPbF TO‐247AC C Collector E GC IRGP4750D‐EPbF TO‐247AD E Emitter Benefits High Efficiency in a Wide Range of Applications Rugged Transient Performance Increased Reliability Excellent Current Sharing in Parallel Operation Environmentally friendly Base part number [ ... ]

IRGP4750D-EPbF PDF Datasheet Download