EPX7 Datasheet, PDF (3/7 Pages) Ferroxcube International Holding B.V. – EPX cores and accessories

Ferroxcube
EPX cores and accessories
EPX7
Core sets of high permeability grades
Clamping force for A_L measurements, 30 ± 10 N.
GRADE
A_L (nH)
µ_e
3E55
63 ± 3 %
≈ 47
100 ± 3 %
≈ 74
160 ± 3 %
≈ 119
250 ± 5 %
≈ 185
315 ± 5 %
≈ 233
400 ± 8 %
≈ 296
8400 + 40 / − 30 %
≈ 6220
3E6
9300 + 40 / − 30 %
≈ 6890
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
≤ 0.02
≤ 0.015
−
AIR GAP (µm)
≈ 450
≈ 250
≈ 150
≈ 90
≈ 70
≈ 50
≈0
≈0
TYPE NUMBER
EPX7-3E55-A63
EPX7-3E55-A100
EPX7-3E55-A160
EPX7-3E55-A250
EPX7-3E55-A315
EPX7-3E55-A400
EPX7-3E55
EPX7-3E6
CORE LOSS (W) at
f = 100 kHz;
B^ˆ = 200 mT;
T = 100 °C
≤ 0.13
≤ 0.1
−
f = 500 kHz;
B^ˆ = 50 mT;
T = 100 °C
−
≤ 0.08
≤ 0.03
f = 500 kHz;
B^ˆ = 100 mT;
T = 100 °C
−
−
≤ 0.25
2008 Sep 01
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