QBHP4545E-UV280U
2-SMD, No Lead Exposed Pad
56895662-QBHP4545E-UV280U
4545 UVC, WLP=280NM, PO=40MW TYP
The operating temperature is the range of ambient temperature within which a power supply, or any other electrical equipment, operate in. This ranges from a minimum operating temperature, to a peak or maximum operating temperature, outside which, the power supply may fail.
the angle at which a display can be viewed with acceptable visual performance.