I want to get the LTspice model corresponding to the fluorescent light ballast controller L6574, I have searched all kinds of information on the Internet, but I did not see the information I want, can someone help me? Thank you very much:grinning_fac...

We want to use this transistor to drive piezoelectric ceramics at 900KHz, 1.7MHz, and 3MHz, which requires about 50W of power.I have the following questions and need help:1. Can this transistor be used at a frequency of 900kHz? Can it only be used in...