IR2166PBF
16-DIP (0.300, 7.62mm)
37421343-IR2166PBF
0.5A, 84KHZ PDIP16
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.
Current rating is the maximum current that a fuse will carry for an indefinite period without too much deterioration of the fuse element.