The maximum operating temperature range for the MMBT3904-7-F is -55°C to 150°C.
No, the MMBT3904-7-F is a general-purpose NPN transistor with a moderate power rating, not a high-power transistor.
Yes, the MMBT3904-7-F can be used as a switch, but it's not ideal for high-frequency switching applications due to its moderate transition frequency (ft) of 300 MHz.
Yes, the MMBT3904-7-F can be used in audio applications, such as amplifiers and buffers, due to its low noise figure and moderate current gain.
Yes, the MMBT3904-7-F can be used in linear regulator circuits, but it's not ideal for high-current or high-voltage applications due to its moderate power rating.