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EP7 Datasheet, PDF (2/9 Pages) YUXIANG Magnetc materials Ind. Co., Ltd. – EP Core
Ferroxcube
EP cores and accessories
EP7
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 set
VALUE UNIT
1.45
mm−1
165
mm3
15.5 mm
10.7 mm2
8.55 mm2
≈ 1.4 g
handbook, halfpage
3.4
0
0.2
6.5
0
0.3
1.7
0.1
7.5
0
0.2
7.2
0.4
0
;;;;;;;;;5
0.4
0
MGC333
9.4
0
0.4
Dimensions in mm.
Fig.1 EP7 core set.
Core sets for filter applications
Clamping force for AL measurements, 20 ±10 N.
GRADE
AL
(nH)
µe
3B46
1500 ±25%
≈ 1730
AIR GAP
(µm)
≈0
TYPE NUMBER
EP7-3B46
Core sets for general purpose transformers and power applications
Clamping force for AL measurements, 20 ±10 N.
GRADE
AL
(nH)
µe
TOTAL AIR GAP
(µm)
3C81
3C91
3C94
25 ±3%
40 ±3%
63 ±3%
100 ±3%
160 ±5%
1300 ±25%
1300 ±25%
25 ±3%
40 ±3%
63 ±3%
100 ±3%
160 ±5%
1200 ±25%
≈ 29
≈ 46
≈ 73
≈115
≈184
≈ 1500
≈ 1500
≈ 29
≈ 46
≈ 73
≈115
≈184
≈ 1380
≈ 880
≈ 480
≈ 270
≈150
≈ 90
≈0
≈0
≈ 880
≈ 480
≈ 270
≈150
≈ 90
≈0
TYPE NUMBER
EP7-3C81-E25
EP7-3C81-A40
EP7-3C81-A63
EP7-3C81-A100
EP7-3C81-A160
EP7-3C81
EP7-3C91
EP7-3C94-E25
EP7-3C94-A40
EP7-3C94-A63
EP7-3C94-A100
EP7-3C94-A160
EP7-3C94
2008 Sep 01
675