Ferroxcube
Material specification
8C12 SPECIFICATIONS
High permeability specialty NiZn ferrite only used in
large toroids and machined products mainly for
scientific particle accelerators operating at frequencies
up to 2 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
ρ
T
C
density
DC; 25
°C
VALUE
900
±20%
µ''
s
8C12
handbook, halfpage
10
4
MBW455
8C12
,
µ'
s
µ
''
s
µ'
s
10
3
UNIT
≈
260
≈
180
≈
10
5
≥
125
≈
5100
mT
10
2
Ωm
°C
kg/m
3
10
10
−1
1
10
2
f (MHz) 10
Fig.1
Complex permeability as a function of
frequency.
handbook, halfpage
2000
µ
i
MBW456
MBW457
8C12
handbook, halfpage
500
B
(mT)
400
25 oC
100 oC
8C12
1500
300
1000
200
500
100
0
50
0
50
150
T (
o
C)
250
50
0
50
100
500
1000
H (A/m)
Fig.2
Initial permeability as a function of
temperature.
Fig.3 Typical B-H loops.
2008 Sep 01
273
Ferroxcube
Material specification
DATA SHEET STATUS DEFINITIONS
DATA SHEET
STATUS
Preliminary
specification
Product specification
PRODUCT
STATUS
Development
DEFINITIONS
8C12
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
274
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