SMPS Transformer Calculator
Topology
V
V
V
A
kHz
0.30 T
Ferrite Core
Output Power48.0 W
Efficiency98.8%
Turns Ratio (Np:Ns)14:3
Transformer Design
Primary Turns (Np)14
Secondary Turns (Ns)3
Core Loss0.582 W
Copper Loss0.006 W
Wire Gauge (Primary)AWG 10
Skin Depth0.209 mm
Air Gap0.14 mm
Window Utilization94.5%
Primary RMS Current1.08 A
Core: ETD34
Ae: 97 mm²Aw: 123 mm²Ve: 7,640 mm³le: 78.6 mmAL: 3,100 nH/N²Weight: 40 g