Hi to everybody out there: I«ve read the e-mails about this matter and have some doubts, Can you help me with that: 1.- What is a MOV ??? 2.- What is a bidireccional tvs ??? 3.- Can be an EMI filter helpful (2 bobbins and one capacitor) ? 3.- I have read about the choke coil and I don«t know much about it.0 What Can is the function of a choke coil ? Thanks for you interest in help and Merry Christmas for everybody