This is a UL (Underwriters Laboratories) flame rating.
This is the UL File Number belonging to HannStar Board Corporation (not to be confused with HannStar Display). This file number verifies that the bare PCB (without components) was manufactured by a UL-certified facility. For a technician, this assures consistent trace thickness, copper weight, and solder mask quality. It also helps source exact raw replacement boards if the original is too damaged to repair. hannstar j mv4 94v0 e89382 boardview top
The HannStar J MV4 94V0 E89382 Boardview Top has significant implications across various sectors: This is a UL (Underwriters Laboratories) flame rating
