This part is a kind of semiconductor called 88N30W-HF-3.
Function of this product has AP88N30W-HF-3.
Manufacturers : Advanced Power Electronics
Image and pinout :
Some of the text within the PDF file :
Advanced Power Electronics Corp. AP88N30W-HF-3 N-channel Enhancement-mode Power MOSFET Low On-Resistance Simple Drive Requirement Fast Switching Characteristics G S D BV DSS R DS(ON) ID 300V 48mΩ 48A Description Advanced Power MOSFETs from APEC provide the designer with the best combination of fast switching, low on-resistance and cost-effectiveness. The AP88N30W-HF-3 is in the TO-3P through-hole package which is widely used in higher power commercial and industrial applications where an attached heatsink is required. This device is well suited for use in applications such as motor drives, inverteers and DC/DC converters. D (tab) G D S TO-3P (W) Absolute Maximum Ratings Symbol VDS VGS ID at TC=25°C IDM IDR IDR(PULSE) PD at TC=25°C IAR EAR TSTG TJ Parameter Drain-Source Voltag [ ... ]