FERROXCUBE 3C91

FERROXCUBE
DATA SHEET
3C91
Material specification
Supersedes data of September 2004
2008 Sep 01
Ferroxcube
Material specification
3C91
3C91 SPECIFICATIONS
A medium frequency power material with minimum
power losses around 60 °C for use in power and
general purpose transformers at frequencies up to
0.3 MHz.
SYMBOL
µi
µa
B
PV
ρ
TC
density
CONDITIONS
VALUE
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
60 °C; 100 kHz;
100 mT
60 °C; 100 kHz;
200 mT
DC, 25 °C
3000 ±20%
µ's , µ''s
UNIT
3C91
µ's
10 3
µ''s
5500 ±25%
≈ 470
mT
≈ 370
mT
≤ 40
kW/m 3
10 2
10
10 1
1
10
f (MHz)
10 2
≈ 300
≈5
≥ 220
≈ 4800
Ωm
°C
kg/m3
Fig.1
CBW469
10000
handbook, halfpage
Complex permeability as
a function of frequency.
CBW437
500
25 oC
100 oC
handbook, halfpage
3C91
B
(mT)
µi
8000
400
6000
300
4000
200
2000
100
3C91
0
0
50
50
Fig.2
2008 Sep 01
CBW574
10 4
handbook, halfpage
150
T ( o C)
25
250
0
25
50
150
250
H (A/m)
Initial permeability as a
function of temperature.
Fig.3 Typical B-H loops.
109
Ferroxcube
Material specification
3C91
CBW441
8000
25 oC
o
100 C
handbook, halfpage
µa
CBW578
10 4
handbook, halfpage
3C91
3C91
µ rev
6000
10 3
4000
10 2
2000
10
0
0
100
200
300
400
Fig.4
Amplitude permeability as a
function of peak flux density.
10 2
10
1
B (mT)
Fig.5
3
H (A/m) 10
Reversible permeability as a
function of magnetic field strength.
CBW436
10 4
handbook, halfpage
T = 100 oC
CBW471
800
handbook, halfpage
3C91
Pv
(kW/m 3 )
200
kHz
kHz
Pv
f
B
(kHz) (mT)
600
10 0
(kW/m 3)
3C91
100
200
200
100
25
100
200
100
25
kHz
10 3
400
10 2
200
10
1
10
10 2
B (mT)
0
10 3
0
Fig.7
Fig.6
Specific power loss as a function of peak
flux density with frequency as a parameter.
2008 Sep 01
110
40
80
T (o C)
120
Specific power loss for several
frequency/flux density combinations
as a function of temperature.
Ferroxcube
Material specification
3C91
DATA SHEET 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.
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
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.
2008 Sep 01
111