This part is a kind of semiconductor called H20R120.

Function of this product has IHW15N120R.

Manufacturers : Infineon Technologies

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Some of the text within the PDF file :

Soft Switching Series IHW15N120R q C Reverse Conducting IGBT with monolithic body diode Features: • Powerful monolithic Body Diode with very low forward voltage • Body diode clamps negative voltages • TrenchStop ® 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 IHW20N120R VCE 1200V IC 20A VCE(sat),Tj=25°C 1.65V Tj,max [ ... ]

H20R120 PDF Datasheet Download