... shielding switch transformer RM type communication filter, aux power transformer ET, FT type linearity filter T (ring) type filter and switch ... , 10, 13, 16, 19, 22, 25, 28, 30, 33, 35, 40, 42, 50, 55, 60 EF series: EF-12.6, 16 ... shielding switch transformer RM type communication filter, aux power transformer ET, FT type linearity T (ring) type filter and switch transformer ...