EP20 Datasheet, PDF (2/6 Pages) Ferroxcube International Holding B.V. – EP cores and accessories

Ferroxcube
EP cores and accessories
EP20
CORE SETS
Effective core parameters
SYMBOL
PARAMETER
Σ(I/A)
core factor (C1)
V_e
effective volume
I_e
effective length
A_e
effective area
A_min
minimum area
m
mass of set
VALUE UNIT
0.520 mm^−1
3230 mm³
41.1 mm
78.7 mm²
60.8 mm²
≈27
g
handbook, halfpage
8.8 ± 0.25
15
± 0.35 4.5
± 0.2
21.4
± 0.2
16.5 ± 0.4
;;;_14.4
;_;;_;;_;± 0.3
MBG178
24 ± 0.5
Dimensions in mm.
Fig.1 EP20 core set.
Core sets for general purpose transformers and power applications
Clamping force for A_L measurements, 60 ±20 N.
GRADE
A_L
(nH)
µ_e
TOTAL AIR GAP
(µm)
3C81
3C91
3C94
3C96
160 ±3%
250 ±3%
315 ±3%
400 ±3%
630 ±5%
4900 ±25%
4900 ±25%
160 ±3%
250 ±3%
315 ±3%
400 ±3%
630 ±5%
4435 ±25%
3850 ±25%
≈ 67
≈ 104
≈ 131
≈ 166
≈ 262
≈ 2040
≈ 2040
≈ 67
≈ 104
≈ 131
≈ 166
≈ 262
≈ 1840
≈ 1600
≈ 790
≈ 460
≈ 350
≈ 260
≈ 150
≈0
≈0
≈ 790
≈ 460
≈ 350
≈ 260
≈ 150
≈0
≈0
TYPE NUMBER
EP20-3C81-E160
EP20-3C81-A250
EP20-3C81-A315
EP20-3C81-A400
EP20-3C81-A630
EP20-3C81
EP20-3C91
EP20-3C94-E160
EP20-3C94-A250
EP20-3C94-A315
EP20-3C94-A400
EP20-3C94-A630
EP20-3C94
EP20-3C96
2008 Sep 01
712