Ferroxcube
Material specification
3F3 SPECIFICATIONS
A medium frequency power material for use in power
and general purpose transformers at frequencies of
0.2 - 0.5 MHz.
SYMBOL
µ
i
µ
a
B
CONDITIONS
25
°C; ≤10
kHz;
0.25 mT
100
°C;
25 kHz;
200 mT
25
°C;
10 kHz;
1200 A/m
100
°C;
10 kHz;
1200 A/m
P
V
100
°C;
100 kHz;
100 mT
100
°C;
400 kHz;
50 mT
ρ
T
C
density
DC; 25
°C
VALUE
2000
±20%
≈
4000
≈
440
≈
370
≤80
≤150
≈
2
≥200
≈
4750
Ωm
°C
kg/m
3
Fig.1
Complex permeability as
a function of frequency.
kW/m
3
10
10
1
3F3
handbook, halfpage
10
4
CBW481
3F3
µ'
s
UNIT
µ'
s ,
µ''
s
10
3
µ''
s
mT
10
2
1
10
f (MHz)
10
2
handbook, halfpage
5000
µ
i
4000
CBW455
3F3
handbook, halfpage
500
MBW015
B
(mT)
400
25oC
100oC
3F3
3000
300
2000
200
1000
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
177
Ferroxcube
Material specification
3F3
handbook, halfpage
8000
µ
a
6000
CBW443
25
100 C
o
C
o
3F3
10
4
handbook, halfpage
CBW477
3F3
µ
rev
4000
10
3
2000
10
2
0
0
100
200
300
B (mT)
10
1
10
10
2
3
H (A/m) 10
400
Fig.4
Amplitude permeability as
function of peak flux density.
Fig.5
Reversible permeability as a
function of magnetic field strength.
10
4
handbook, halfpage
T = 100
o
C
Pv
(kW/m
3
)
10
3
MBW048
3F3
700
kHz
400
kH
z
200
kHz
100
kHz
handbook, halfpage
400
CBW456
3F3
f
B
(kHz) (mT)
Pv
(kW/m
3
)
300
25
kHz
200
200
400
100
50
200
100
10
2
100
25
100
10
1
10
10
2
B (mT)
10
3
0
0
40
80
120
T (
o
C)
Fig.7
Fig.6
Specific power loss as a function of peak
flux density with frequency as a parameter.
Specific power loss for several
frequency/flux density combinations
as a function of temperature.
2008 Sep 01
178
Ferroxcube
Material specification
DATA SHEET STATUS DEFINITIONS
DATA SHEET
STATUS
Preliminary
specification
Product specification
PRODUCT
STATUS
Development
DEFINITIONS
3F3
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
179
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