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Magnetic core shape	Center pillar area of magnetic core Ae mm2	Length of magnetic circuit Le mm	Volume Ve mm3	Input voltage V	Ratio of turns	Inductance@ 100KHz/0.1V Np Min	Dc impedance Max
RM-7	43.0	39.0	30.4	18~36 Output: 5V/6.5A	Np:Ns=6:3	70uH	65mΩ

Note: this design is based on 1. forward converter 2. pc40 series ferrite 3. switching frequency: 100 khz

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