Ferroxcube E55-3C90-E630 E cores and accessory Datasheet

FERROXCUBE
DATA SHEET
E55/28/25
E cores and accessories
Supersedes data of September 2004
2008 Sep 01
Ferroxcube
E cores and accessories
E55/28/25
CORE SETS
Effective core parameters
SYMBOL
PARAMETER
VALUE
UNIT
Σ(I/A)
core factor (C1)
0.239
mm−1
Ve
effective volume
52000
mm3
Ie
effective length
123
mm
Ae
effective area
420
mm2
Amin
minimum area
411
mm2
m
mass of core half
≈130
g
56.2 0
−2.1
37.5 +1.5
0
andbook, halfpage
17.2
0
−0.5
R < 0.6
18.5
+0.8
0
27.5
±0.3
R3
25 0
−0.8
CBW069
Dimensions in mm.
Fig.1 E55/28/25 core half.
Core halves
AL measured in combination with a non-gapped core half, clamping force for AL measurements 60 ±20 N, unless stated
otherwise.
TOTAL AIR GAP
(µm)
AL
(nH)
µe
100 ±5%(1)
≈ 23
≈ 10440
E55/28/25-3C90-E100
160 ±5%(1)
≈ 37
≈ 5520
E55/28/25-3C90-E160
250
±5%(1)
≈ 58
≈ 3040
E55/28/25-3C90-E250
315
±5%(1)
≈ 73
≈ 2240
E55/28/25-3C90-E315
400 ±8%(1)
≈ 93
≈ 1660
E55/28/25-3C90-E400
≈ 147
≈ 940
E55/28/25-3C90-E630
8000 ±25%
≈ 1860
≈0
E55/28/25-3C90
3C92
5800 ±25%
≈ 1100
≈0
E55/28/25-3C92
3C94
8000 ±25%
≈ 1860
≈0
E55/28/25-3C94
3C95
9860 ±25%
E55/28/25-3C95
GRADE
3C90
630
3F3
±10%(1)
≈ 2300
≈0
±5%(1)
≈ 23
≈ 10440
E55/28/25-3F3-E100
160 ±5%(1)
≈ 37
≈ 5520
E55/28/25-3F3-E160
250
±5%(1)
≈ 58
≈ 3040
E55/28/25-3F3-E250
315
±5%(1)
≈ 73
≈ 2240
E55/28/25-3F3-E315
400 ±8%(1)
≈ 93
≈ 1660
E55/28/25-3F3-E400
≈ 147
≈ 940
E55/28/25-3F3-E630
≈ 1730
≈0
100
630
±10%(1)
7400 ±25%
Note
1. Measured in combination with an equal gapped core half.
2008 Sep 01
TYPE NUMBER
2
E55/28/25-3F3
Ferroxcube
E cores and accessories
E55/28/25
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;
ˆ = 200 mT;
B
T = 100 °C
f = 100 kHz;
ˆ = 100 mT;
B
T = 100 °C
3C90
≥330
≤ 5.7
≤ 7.3
3C92
≥370
−
≤ 4.8
3C94
≥330
−
3C95
≥330
3F3
≥310
GRADE
2008 Sep 01
f = 100 kHz;
ˆ = 200 mT;
B
T = 100 °C
f = 400 kHz;
ˆ = 50 mT;
B
T = 100 °C
−
−
−
−
≤ 31
−
≤ 4.8
−
≤ 31
−
−
−
≤ 32.8
≤ 31.2
−
−
≤ 6.6
−
−
≤ 12.7
3
f = 100 kHz;
ˆ = 200 mT;
B
T = 25 °C
Ferroxcube
E cores and accessories
E55/28/25
DATA SHEET STATUS DEFINITIONS
DATA SHEET
STATUS
PRODUCT
STATUS
DEFINITIONS
Preliminary
specification
Development
This data sheet contains preliminary data. Ferroxcube reserves the right to
make changes at any time without notice in order to improve design and
supply the best possible product.
Product specification
Production
This data sheet contains final specifications. Ferroxcube reserves the right
to make changes at any time without notice in order to improve design and
supply the best possible product.
DISCLAIMER
Life support applications  These products are not designed for use in life support appliances, devices, or systems
where malfunction of these products can reasonably be expected to result in personal injury. Ferroxcube customers
using or selling these products for use in such applications do so at their own risk and agree to fully indemnify Ferroxcube
for any damages resulting from such application.
PRODUCT STATUS DEFINITIONS
STATUS
INDICATION
DEFINITION
Prototype
These are products that have been made as development samples for the purposes of
technical evaluation only. The data for these types is provisional and is subject to
change.
Design-in
These products are recommended for new designs.
Preferred
These products are recommended for use in current designs and are available via our
sales channels.
Support
These products are not recommended for new designs and may not be available
through all of our sales channels. Customers are advised to check for availability.
2008 Sep 01
4
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