FERROXCUBE ER48-3C90-E180

FERROXCUBE
DATA SHEET
ER48/18/18
ER cores
Supersedes data of September 2004
2008 Sep 01
Ferroxcube
ER cores
ER48/18/18
CORE SETS
Effective core parameters
SYMBOL
PARAMETER
VALUE
UNIT
Σ(I/A)
core factor (C1)
0.377
mm−1
Ve
effective volume
20300
mm3
Ie
effective length
87.0
mm
Ae
effective area
231
mm2
Amin
minimum area
221
mm2
m
mass of core half
≈ 51
g
11.45
± 0.25
18
± 0.2
48 1
36.8 ± 0.8
17.6
± 0.4
17.6
± 0.4
MFP067
R0.8 ± 0.5 (4×)
Dimensions in mm.
Fig.1 ER48/18/18 core half.
Core halves
Clamping force for AL measurements, 50 ± 20 N.
GRADE
3C90
3C94
TOTAL AIR GAP
(µm)
AL
(nH)
µe
180 ± 5%
≈ 54
≈ 2500
TYPE NUMBER
ER48/18/18-3C90-E180
265 ± 5%
≈ 77
≈ 1500
ER48/18/18-3C90-E265
309 ± 5%
≈ 93
≈ 1250
ER48/18/18-3C90-E309
370 ± 5%
≈ 111
≈ 1000
ER48/18/18-3C90-E370
465 ± 5%
≈ 140
≈ 750
ER48/18/18-3C90-E465
6400 ± 25%
≈ 1920
≈0
ER48/18/18-3C90
6400 ± 25%
≈ 1920
≈0
ER48/18/18-3C94
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
≤ 2.4
≤ 2.5
−
3C94
≥330
−
≤ 2.1
≤ 12
GRADE
2008 Sep 01
794
f = 100 kHz;
ˆ = 200 mT;
B
T = 100 °C
Ferroxcube
ER cores
ER48/18/18
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
795