Ferroxcube 的 3F4 规格书

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DATA SHEET
Supersedes data of September 2004 2008 Sep 01
FERROXCUBE
3F4
Material specification
2008 Sep 01 185
Ferroxcube
Material specification 3F4
3F4 SPECIFICATIONS
A high frequency power material for use in power and
general purpose transformers at frequencies of
1 - 2 MHz.
SYMBOL CONDITIONS VALUE UNIT
µi25 °C; ≤10 kHz;
0.25 mT
900 ±20%
µa100 °C; 25 kHz;
200 mT
≈ 1700
B25°C; 10 kHz;
1200 A/m
≈ 410 mT
100 °C; 10 kHz;
1200 A/m
≈ 350
PV100 °C; 1 MHz;
30 mT
≈ 130 kW/m3
100 °C; 3 MHz;
10 mT
≈ 220
ρDC; 25 °C≈ 10 Ωm
TC≥ 220 °C
density ≈ 4700 kg/m3Fig.1 Complex permeability as
a function of frequency.
handbook, halfpage
MBW025
11010
2
10 4
f (MHz)
µ' ,
sµ''
s
10 3
10 2
10
10 1
3F4
µ''
s
µ'
s
Fig.2 Initial permeability as a
function of temperature.
handbook, halfpage
2000
50 50 250
0
MBW034
150
500
1000
1500
µi
T ( C)
o
3F4
Fig.3 Typical B-H loops.
handbook, halfpage
500
0
MBW017
100
200
300
400
B
(mT)
3F4
25oC
100oC
50 50050 1000100
0
H (A/m)
c _wo“c —\ 77774A77
2008 Sep 01 186
Ferroxcube
Material specification 3F4
Fig.4 Amplitude permeability as
function of peak flux density.
handbook, halfpage
0 100 200 400
2000
1500
500
0
1000
MBW046
300
µa
B (mT)
3F4
25 oC
100 oC
Fig.5 Reversible permeability as a
function of magnetic field strength.
handbook, halfpage
MBW035
10210 3
10 3
10
H (A/m)
10 4
3F4
10
1
10 2
µrev
Fig.6 Specific power loss as a function of peak
flux density with frequency as a parameter.
handbook, halfpage
MBW047
10210 3
10
B (mT)
110
10 4
Pv
(kW/m )
3
3F4
10 2
10 3
1 MHz
400 kHz
25 kHz
200 kHz
100 kHz
2 MHz
3 MHz
T = 100 oC
Fig.7 Specific power loss for several
frequency/flux density combinations
as a function of temperature.
handbook, halfpage
04080
400
300
100
0
200
MBW056
120
T ( C)
Pv
(kW/m )
3
3F4
o
f
(kHz)
B
(mT)
1000 30
500 50
3000 10
1000 25
@
2008 Sep 01 187
Ferroxcube
Material specification 3F4
DATA SHEET STATUS DEFINITIONS
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
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.
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.