Ferroxcube
E cores and accessories
E20/10/5
Core halves of high permeability grades
Clamping force for AL measurements, 20 10 N.
AL
AIR GAP
(µm)
GRADE
(nH)
µe
TYPE NUMBER
3C11
3E27
2600 25%
2800 25%
≈ 2840
≈ 2870
≈ 0
≈ 0
E20/10/5-3C11
E20/10/5-3E27
Properties of core sets under power conditions
B (mT) at
CORE LOSS (W) at
H = 250 A/m;
f = 25 kHz;
T = 100 °C
f = 25 kHz;
f = 100 kHz;
f = 100 kHz;
f = 400 kHz;
GRADE
ˆ
ˆ
ˆ
ˆ
= 200 mT;
= 100 mT;
= 200 mT;
= 50 mT;
B
B
B
B
T = 100 °C
T = 100 °C
T = 100 °C
T = 100 °C
3C90
≥330
≥370
≥320
≥340
≥320
≥300
≤ 0.15
≤ 0.17
≤ 0.13
≤ 0.13
≤ 0.1
≤ 0.16
−
−
≤ 0.7
≤ 0.7
≤ 0.56
−
−
3C92
3C94
3C96
3F3
−
−
−
−
−
−
−
−
≤ 0.28
−
3F35
−
Properties of core sets under power conditions (continued)
B (mT) at
CORE LOSS (W) at
H = 250 A/m;
f = 25 kHz;
T = 100 °C
f = 500 kHz;
f = 500 kHz;
f = 1 MHz;
f = 3 MHz;
GRADE
ˆ
ˆ
ˆ
ˆ
= 10 mT;
B
= 50 mT;
= 100 mT;
= 30 mT;
B
B
B
T = 100 °C
T = 100 °C
T = 100 °C
T = 100 °C
3C90
3C92
3C94
3C96
3F3
≥330
≥370
≥320
≥340
≥320
≥300
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
≤ 0.5
−
−
−
3F35
≤ 0.18
≤ 1.4
2008 Sep 01
348
FERROXCUBE [ FERROXCUBE INTERNATIONAL HOLDING B.V. ]
