ER28 [FERROXCUBE]
ER cores; ER芯
| 型号： | ER28 |
| 厂家： | 
FERROXCUBE INTERNATIONAL HOLDING B.V. |
| 描述： | ER cores |
| 文件： | 总3页 (文件大小：40K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
FERROXCUBE
DATA SHEET
ER28/14/11
ER cores
Supersedes data of September 2004
2008 Sep 01
Ferroxcube
ER cores
ER28/14/11
CORE SETS
Effective core parameters
SYMBOL
PARAMETER
VALUE UNIT
handbook, halfpage
Σ(I/A)
Ve
core factor (C1)
effective volume
effective length
effective area
0.786
5260
64.0
81.4
77.0
≈ 14
mm−1
mm3
mm
mm2
mm2
g
9.75
0.4
14
0.2
Ie
Ae
Amin
m
minimum area
mass of core half
28.55 0.55
21.75 0.5
9.9 0.25
11.4
0.35
MGC189
Dimensions in mm.
Fig.1 ER28/14/11 core half.
Core halves
Clamping force for AL measurements, 40 20 N. Gapped cores are available on request.
AL
(nH)
AIR GAP
(µm)
GRADE
µe
TYPE NUMBER
3C90
3C94
2900 25%
2900 25%
≈1800
≈1800
≈ 0
≈ 0
ER28/14/11-3C90
ER28/14/11-3C94
Properties of core sets under power conditions
B (mT) at
CORE LOSS (W) at
f = 100 kHz;
H = 250 A/m;
f = 25 kHz;
T = 100 °C
f = 25 kHz;
B = 200 mT;
T = 100 °C
f = 100 kHz;
GRADE
ˆ
ˆ
ˆ
B = 100 mT;
T = 100 °C
B = 200 mT;
T = 100 °C
3C90
3C94
≥320
≥320
≤ 0.63
≤ 0.67
≤ 0.5
−
−
≤ 3.2
2008 Sep 01
770
Ferroxcube
ER cores
ER28/14/11
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
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.
Prototype
Design-in
Preferred
These products are recommended for new designs.
These products are recommended for use in current designs and are available via our
sales channels.
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.
Support
2008 Sep 01
771
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