Ferroxcube
Material specification
3S1 SPECIFICATIONS
A low frequency EMI-suppression material specified on
impedance and optimized for frequencies up to
30 MHz.
SYMBOL
µ
i
B
CONDITIONS
25
°C; ≤10
kHz;
0.25 mT
25
°C;
10 kHz;
1200 A/m
100
°C;
10 kHz;
1200 A/m
25
°C;
1 MHz
25
°C;
10 MHz
DC; 25
°C
VALUE
≈
4 000
≈
400
≈
230
≥
30
≥
60
≈
1
≥
125
≈
4 900
Ω
Ωm
°C
kg/m
3
2
3S1
handbook, halfpage
10
5
MBW268
3S1
UNIT
µ'
s ,
µ''
s
10
4
mT
10
3
µ'
s
µ''
s
Z
(1)
ρ
T
C
density
Note
10
10
2
10
1
1
f (MHz)
10
1. Measured on a bead
∅5 × ∅2 ×
10 mm.
Fig.1
Complex permeability as
a function of frequency.
handbook, halfpage
20000
µ
i
MBW269
MBW270
3S1
handbook, halfpage
500
B
(mT)
400
25 oC
100 oC
3S1
15000
300
10000
200
5000
100
0
50
0
50
150
T (
o
C)
250
25
0
25
50
150
H (A/m)
250
Fig.2
Initial permeability as a
function of temperature.
Fig.3 Typical B-H loops.
2008 Sep 01
204
Ferroxcube
Material specification
DATA SHEET STATUS DEFINITIONS
DATA SHEET
STATUS
Preliminary
specification
Product specification
PRODUCT
STATUS
Development
DEFINITIONS
3S1
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.
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.
Production
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
Prototype
Design-in
Preferred
Support
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.
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.
2008 Sep 01
206
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