This part is a kind of semiconductor called H25R1202.

Function of this product has Reverse Conducting IGBT.

Manufacturers : Infineon

Image and pinout :

Some of the text within the PDF file :

IHW25N120R2 Soft Switching Series Reverse Conducting IGBT with monolithic body diode Features: • Powerful monolithic Body Diode with very low forward voltage • Body diode clamps negative voltages • Trench and Fieldstop technology for 1200 V applications offers : - very tight parameter distribution - high ruggedness, temperature stable behavior • NPT technology offers easy parallel switching capability due to positive temperature coefficient in VCE(sat) • Low EMI 1 • Qualified according to JEDEC for target applications • Pb-free lead plating; RoHS compliant • Complete product spectrum and PSpice Models : http://www.infineon.com/igbt/ Applications: • Inductive Cooking • Soft Switching Applications Type IHW25N120R2 Maximum Ratings Parameter Collector- [ ... ]

H25R1202 PDF Datasheet Download