Ferroxcube
Material specification
3F35 SPECIFICATIONS
A medium to high frequency power material for use in
power and general purpose transformers at frequencies
of 0.5 - 1 MHz.
CONDITIONS
µ
i
µ
a
B
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
3F35
handbook, halfpage
10
4
CBW230
3F35
VALUE
1400
±20%
≈
2400
≈
500
≈
420
≈
60
≈
90
≈
700
≈
10
≥
240
≈
4750
UNIT
µ'
s ,
µ''
s
10
3
mT
10
2
P
v
100
°C;
400 kHz;
50 mT
100
°C;
500 kHz;
50 mT
100
°C;
500 kHz;
100 mT
kW/m
3
10
10
1
1
10
f (MHz)
10
2
ρ
T
C
density
DC; 25
°C
Ωm
°C
kg/m
3
Fig.1
Complex permeability as
a function of frequency.
CBW255
handbook, halfpage
5000
µ
i
4000
3F35
handbook, halfpage
500
CBW231
B
(mT)
400
25oC
100oC
3F35
3000
300
2000
200
1000
100
0
−50
50
150
T (°C)
250
0
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
181
Ferroxcube
Material specification
3F35
handbook, halfpage
8000
µ
a
6000
CBW232
25
100 C
o
C
o
3F35
10
4
handbook, halfpage
µ
rev
10
3
CBW233
3F35
4000
10
2
2000
0
0
100
200
300
B (mT)
400
10
1
10
10
2
3
H (A/m) 10
Fig.4
Amplitude permeability as
function of peak flux density.
Fig.5
Reversible permeability as a
function of magnetic field strength.
handbook, halfpage
T = 100
o
C
10
4
CBW234
CBW235
3F35
1M
Hz
500
kHz
handbook, halfpage
1200
3F35
^
f
B
(kHz) (mT)
500
100
Pv
(kW/m
3
)
10
3
P
v
(kW/m
3
)
900
600
10
2
300
1000
500
10
1
10
10
2
B (mT)
10
3
0
0
40
80
T (°C)
120
30
50
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
182
Ferroxcube
Material specification
DATA SHEET STATUS DEFINITIONS
DATA SHEET
STATUS
Preliminary
specification
Product specification
PRODUCT
STATUS
Development
DEFINITIONS
3F35
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
183
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