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Ferroxcube
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EC70 Datasheet

EC cores and accessories

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EC70 pdf
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FERROXCUBE
DATA SHEET
EC70
EC cores and accessories
Supersedes data of February 2002
2004 Sep 01



Ferroxcube
Ferroxcube

EC70 Datasheet Preview

EC70 Datasheet

EC cores and accessories

No Preview Available !

EC70 pdf
Ferroxcube
EC cores and accessories
EC70
CORE SETS
Effective core parameters
SYMBOL
PARAMETER
Σ(I/A)
core factor (C1)
Ve effective volume
Ie effective length
Ae effective area
Amin minimum area
m mass of core half
VALUE UNIT
0.514 mm1
40100 mm3
144 mm
279 mm2
211 mm2
127 g
handbook, halfpage
22.75
0.45
34.5
0.15
71.7 max
44.5 1.2
16.4 0.4
16.4
0.4
MGC407
Dimensions in mm.
Fig.1 EC70 core half.
Core halves
AL measured in combination with an non-gapped core half, unless stated otherwise.
GRADE
3C81
3C90
AL
(nH)
250 ± 3%(1)
315 ± 3%(1)
400 ± 3%(1)
630 ± 5%
1000 ± 10%
4000
250 ± 3%(1)
315 ± 3%(1)
400 ± 3%(1)
630 ± 5%
1000 ± 10%
3900 ± 25%
µe
102
130
165
256
406
1620
102
130
165
256
406
1580
AIR GAP
(µm)
1830
1370
1020
580
320
0
1830
1370
1020
580
320
0
Note
1. Measured in combination with an equal gapped core half (symmetrical air gap).
TYPE NUMBER
EC70-3C81-E250
EC70-3C81-E315
EC70-3C81-E400
EC70-3C81-A630
EC70-3C81-A1000
EC70-3C81
EC70-3C90-E250
EC70-3C90-E315
EC70-3C90-E400
EC70-3C90-A630
EC70-3C90-A1000
EC70-3C90
Properties of core sets under power conditions
B (mT) at
GRADE
3C81
3C90
H = 250 A/m;
f = 25 kHz;
T = 100 °C
330
330
CORE LOSS (W) at
f = 25 kHz;
Bˆ = 200 mT;
T = 100 °C
8.2
4.9
f = 100 kHz;
Bˆ = 100 mT;
T = 100 °C
5.1
2004 Sep 01
2


Part Number EC70
Description EC cores and accessories
Maker Ferroxcube
Total Page 6 Pages
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