This part is a kind of semiconductor called K07N120.

Function of this product has Fast IGBT in NPT-technology.

Manufacturers : Infineon Technologies

Image and pinout :

Some of the text within the PDF file :

SKW07N120 Fast IGBT in NPT-technology with soft, fast recovery anti-parallel EmCon diode • Lower Eoff compared to previous generation • Short circuit withstand time – 10 µs • Designed for: - Motor controls - Inverter - SMPS • NPT-Technology offers: - very tight parameter distribution - high ruggedness, temperature stable behaviour - parallel switching capability 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/ Type SKW07N120 Maximum Ratings Parameter Collector-emitter voltage DC collector current TC = 25°C TC = 100°C Pulsed collector current, tp limited by Tjmax Turn off safe operating area VCE ≤ 1200V, Tj ≤ 150°C Diode fo [ ... ]

K07N120 PDF Datasheet Download