This is the LCD backlight fuse 0603 for most Macbooks from 2011 to 2018. Fuse is 0603 in size. This fuse usually blows if the LCD screen, LCD screen cable, or LCD connector short to ground. Sometimes the colors of these fuses may differ. It is color coded so its easy to locate on the logic board.
For MacBook Air’s manufactured before 2010 & MacBook Pro’s manufactured before 2011 may use a different fuse. Please make sure your MacBook uses the LCD backlight fuse 0603 size fuse.