EPX8 Datasheet, PDF (3/4 Pages) Ferroxcube International Holding B.V. – EPX cores and accessories

Ferroxcube
EPX cores and accessories
EPX8
Core sets of high permeability grades
Clamping force for A_L measurements, 30 ± 10 N.
GRADE
A_L (nH)
µ_e
3E55
63 ± 3 %
≈ 52
100 ± 3 %
≈ 83
160 ± 3 %
≈ 132
250 ± 5 %
≈ 207
315 ± 5 %
≈ 261
400 ± 8 %
≈ 331
7800 + 40 / − 30 %
≈ 6455
3E6
8700 + 40 / − 30 %
≈ 7200
Properties under power conditions
B (mT) at
GRADE
3C94
3C96
3F35
H = 250 A/m;
f = 10 kHz;
T = 100 °C
≥ 320
≥ 340
≥ 300
f = 100 kHz;
B^{ˆ = 100 mT;}
T = 100 °C
≤ 0.022
≤ 0.017
−
AIR GAP (µm)
≈ 440
≈ 250
≈ 150
≈ 90
≈ 70
≈ 50
≈0
≈0
TYPE NUMBER
EPX8-3E55-A63
EPX8-3E55-A100
EPX8-3E55-A160
EPX8-3E55-A250
EPX8-3E55-A315
EPX8-3E55-A400
EPX8-3E55
EPX8-3E6
CORE LOSS (W) at
f = 100 kHz;
B^ˆ = 200 mT;
T = 100 °C
≤ 0.14
≤ 0.11
−
f = 500 kHz;
B^ˆ = 50 mT;
T = 100 °C
−
≤ 0.09
≤ 0.032
f = 500 kHz;
B^ˆ = 100 mT;
T = 100 °C
−
−
≤ 0.27
2008 Sep 01
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