This part is a kind of semiconductor called K1120NC360.

Function of this product has Medium Voltage Thyristor.

Manufacturers : IXYS

Image and pinout :

Some of the text within the PDF file :

WESTCODE An IXYS Company Date:- 29 Mar, 2007 Data Sheet Issue:- 1 Provisional Data Medium Voltage Thyristor Types K1120NC360 to K1120NC420 Development Type No. KX192NC360-420 Absolute Maximum Ratings VDRM VDSM VRRM VRSM VOLTAGE RATINGS Repetitive peak off-state voltage, (note 1) Non-repetitive peak off-state voltage, (note 1) Repetitive peak reverse voltage, (note 1) Non-repetitive peak reverse voltage, (note 1) MAXIMUM LIMITS 3600-4200 3600-4200 3600-4200 3700-4300 UNITS V V V V OTHER RATINGS IT(AV)M IT(AV)M IT(AV)M IT(RMS) IT(d.c.) ITSM ITSM2 I2t I2t (di/dt)cr VRGM PG(AV) PGM Tj op Tstg Maximum average on-state current, Tsink=55°C, (note 2) Maximum average on-state current. Tsink=85°C, (note 2) Maximum average on-state current. Tsink=85°C, (note 3) Nominal RMS on-state curren [ ... ]

K1120NC360 PDF Datasheet Download