I am trying to replace a microwave oven fuse , ceramic 18A 250V. I went to radio shack and all they had were 15A and 20A. The guy at radio shack said that it doesn't matter, 20A isn't that big of a difference from 18A, but i decided not to listen to him. So far most stores only have 15A and 20A. Does anyone know if i can use a 20A, or should I just keep searching?
Thanks
Thanks