FERROXCUBE E8.8-3F3

FERROXCUBE
DATA SHEET
E8.8/4.1/2
E cores and accessories
Supersedes data of September 2004
2008 Sep 01
Ferroxcube
E cores and accessories
E8.8/4.1/2
CORE SETS
Effective core parameters
SYMBOL
PARAMETER
9 ±0.4
VALUE
UNIT
Σ(I/A)
core factor (C1)
3.13
mm−1
Ve
effective volume
78
mm3
Ie
effective length
15.6
mm
Ae
effective area
5.0
mm2
Amin
minimum area
3.6
mm2
m
mass of core half
≈ 0.25
g
5.2 ±0.13
1.9
±0.12
handbook, halfpage
2.03
+0.32
0
0
4.1
−0.2
2.0 0
−0.2
CBW228
Dimensions in mm.
Fig.1 E8.8/4.1/2 core half.
Core halves
AL measured in combination with a non-gapped core half, clamping force for AL measurements, 5 ±2 N.
GRADE
AL
(nH)
AIR GAP
(µm)
µe
TYPE NUMBER
3C96
480 ±25%
≈ 1 190
≈0
E8.8/4.1/2-3C96
3F3
460 ±25%
≈ 1 140
≈0
E8.8/4.1/2-3F3
3F35
380 ±25%
≈ 940
≈0
E8.8/4.1/2-3F35
3F4
280 ±25%
≈ 695
≈0
E8.8/4.1/2-3F4
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 = 100 kHz;
ˆ = 100 mT;
B
T = 100 °C
f = 100 kHz;
ˆ = 200 mT;
B
T = 100 °C
f = 400 kHz;
ˆ = 50 mT;
B
T = 100 °C
3C96
≥340
≤ 0.0055
≤ 0.032
≤ 0.014
3F3
≥300
≤ 0.01
−
≤ 0.014
3F35
≥300
−
−
≤ 0.007
3F4
≥250
−
−
−
GRADE
2008 Sep 01
307
Ferroxcube
E cores and accessories
E8.8/4.1/2
Properties of core sets under power conditions (continued)
B (mT) at
GRADE
CORE LOSS (W) at
H = 250 A/m;
f = 25 kHz;
T = 100 °C
f = 500 kHz;
ˆ = 50 mT;
B
T = 100 °C
f = 500 kHz;
ˆ = 100 mT;
B
T = 100 °C
f = 1 MHz;
ˆ = 30 mT;
B
T = 100 °C
f = 3 MHz;
ˆ = 10 mT;
B
T = 100 °C
3C96
≥340
≤ 0.029
−
−
−
3F3
≥300
−
−
−
−
3F35
≥300
≤ 0.011
≤ 0.082
−
−
3F4
≥250
−
−
≤ 0.023
≤ 0.037
2008 Sep 01
308
Ferroxcube
E cores and accessories
E8.8/4.1/2
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
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