1 loss is largely reduced, save electricity 2 lightning protection 3 ISO certification 4 metal enclosure 5 long life Feature 1, small size, low weight 2 high efficiency, low magnetic strayfield levels3 frequency for 40KHz, Q value to raise 30% above;4 Insulation Class F,H5 power loss is reduced, save electricity;6 High quality of the core, coil is copper7 inductance good consistency, inductance ...