Ferroxcube EI35 Ei core Datasheet

FERROXCUBE
DATA SHEET
E35/24/10
EI cores
Supersedes data of September 2004
2008 Sep 01
Ferroxcube
EI cores
E35/24/10
CORES
Effective core parameters of an E / I combination
SYMBOL
PARAMETER
VALUE
34.9 ± 0.7
handbook, halfpage
24.93 min.
UNIT
Σ(I/A)
core factor (C1)
0.786
mm −1
Ve
effective volume
6270
mm 3
Ie
effective length
70.2
mm
Ae
effective area
89.3
mm 2
Amin
minimum area
88.0
mm 2
m
mass of E core
≈ 24
g
m
mass of I core
≈ 7.4
g
9.4
± 0.25
handbook, halfpage
19.05
± 0.4
9.5 ± 0.35
Ordering information for I cores
GRADE
TYPE NUMBER
3C90
23.8
± 0.25
MFP096
I35/5/10-3C90
Dimensions in mm.
Fig.1 E35/24/10 core.
handbook, halfpage
9.5
± 0.35
34.9 ± 0.7
4.75
± 0.2
MFP097
Dimensions in mm.
Fig.2 I35/5/10.
Core halves for use in combination with an I core
AL measured in combination with an I core, clamping force for AL measurements 40 ± 20 N;
AL
(nH)
GRADE
2960 ± 25 %
3C90
AIR GAP
(µm)
µe
≈ 1850
≈0
TYPE NUMBER
E35/24/10-3C90
Properties of core sets under power conditions
B (mT) at
GRADE
E35/24/10+I35/5/10-3C90
2008 Sep 01
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;
B̂ =100 mT;
T = 100 °C
≥ 330
≤ 0.75
≤ 0.75
508
Ferroxcube
EI cores
E35/24/10
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
509
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