This is one of the semiconductor types. This part name is D9N40.
This product has AOD9N40 functions.
Manufacturers of product is Alpha & Omega Semiconductors.
Image and pinout :
D9N40 PDF Datasheet
Some of the text files within the PDF file
AOD9N40 400V,8A N-Channel MOSFET General
The AOD9N40 is fabricated using an advanced high voltage MOSFET process that is designed to deliver high levels of performance and robustness in popular AC -DC applications.By providing low RDS(on), Ciss and Crss along with guaranteed avalanche capability this device can be adopted quickly into new and existing offline power supply designs.This device is ideal for boost converters and synchronous rectifiers for consumer, telecom, industrial power supplies and LED backlighting. Product Summary VDS ID (at VGS=10V) 500V@150℃ 8A <0.8Ω RDS(ON) (at VGS=10V) TO252 DPAK Top View t e n G D r e .n a D S G S ww Absolute Maximum Ratings TA=25°C unless otherwise noted Symbol Parameter VDS Drain-Source Voltage VGS Gate-Source Voltage Continuous Drain CurrentB TC=25°C 8 TC=100°C ID F w C ua Maximum 400 ±30 5 22 3.2 150 300 5 125 1 -50 to 150 300 Typical 45 0.7 www.aosmd.com ce. G S Bottom View 8 c T 100% UIS Tested! 100% Rg Te [ ... ]
Please refer to the file for details.