31x19x13 Manganese-zinc ferrite magnetic ring filter anti-interference magnetic ring power magnetic core converter transformer
![31x19x13 Manganese-zinc ferrite magnetic ring filter anti-interference magnetic ring power magnetic core converter transformer 31x19x13 Manganese-zinc ferrite magnetic ring filter anti-interference magnetic ring power magnetic core converter transformer](https://ae04.alicdn.com/kf/Hd413a48c87234b819555813513aec067c.jpg)
31x19x13 Manganese-zinc ferrite magnetic ring filter anti-interference magnetic ring power magnetic core converter transformer