HY4903B PDF datasheet can download.
This product has N-Channel Enhancement Mode MOSFET functions.
This is one of the semiconductor types. This part name is HY4903B.
Manufacturers of the product is HOOYI.
Image and pinout :
Some of the text files within the PDF file
HY4903P/B N-Channel Enhancement Mode MOSFET Features • 30V/290A RDS(ON)= 1.6mΩ (typ.) @ VGS=10V • 100% EAS Guaranteed • Super Low Gate Charge • Excellent CdV/dt effect decline • Advanced high cell density Trench technology • Halogen – Free Device Available Pin
DS G TO-220FB-3L DS G TO-263-2L Applications • High Frequency Synchronous Buck Converters for Computer Processor Power • High Frequency Isolated DC-DC Converters with Synchronous Rectification for Telecom and Industrial Use Ordering and Marking Information D G N-Channel MOSFET S PB HY4903 HY4903 YYÿ XXXJWW G YYÿ XXXJWW G Package Code P : TO-220FB-3L Date Code YYXXX WW B: TO-263-2L Assembly Material G : Lead Free Device Note: HOOYI lead-free products contain molding compounds/die attach materials and 100% matte tin plate termination finish; which are fully compliant with RoHS. HOOYI lead-free products meet or exceed the lead-free requirements of IPC/JEDEC J-STD-020D for MSL classificatio [ … ]
Please refer to the file for details.