| Cores for medium frequency transformers |  |
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Applications:
Medium-frequency (400 Hz – 15 kHz) transformers
General Properties:
High saturation induction (for low volume)
High permeability, low coercivity, and low loss for energy saving
High stability between -55 and + 130 oC
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Cores Table
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Core Code
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Core dimension (mm)
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Core weight
(kg)
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Effective CS* area
(cm2)
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Power at 400Hz
(kW)
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OD
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ID
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H
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CMFT-01
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360
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200
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50
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≥ 17.2
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27
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25
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CMFT-02
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360
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200
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100
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≥ 34.4
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54
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50
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*CS = cross-sectional
Typical Properties
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Saturation induction BS (Tesla)
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1.56
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Remanence Br (Tesla)
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> 0.8
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Curie temperature TC (oC)
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410
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Coercivity HC (A/m)
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< 4
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Crystallization temperature TX (oC)
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560
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Loss (400 Hz,1.0T) (W/kg)
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< 1.5
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Saturation magnetostriction lS (ppm)
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27
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Loss (50 kHz, 0.5T) (W/kg)
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< 15
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Maximum permeability mm (103)
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> 200
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Loss variation (-55 – 130 ¡æ)
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< 15%
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