FERROXCUBE

DATA SHEET

3C92
Material specification
Supersedes data of September 2004 2008 Sep 01
Ferroxcube

Material specification 3C92

3C92 SPECIFICATIONS

A low frequency, high Bsat power material for use in

power inductors at frequencies up to 0.2 MHz. MFW001
10 4
handbook, halfpage 3C92

SYMBOL CONDITIONS VALUE UNIT µ's , µ''s

µ's
µi 25 °C; ≤10 kHz; 1500 ±20%
0.25 mT 10 3
µa 100 °C; 25 kHz; ≈ 5000
200 mT µ''s

B 25 °C; 10 kHz; ≈ 540 mT

1200 A/m
10 2
100 °C; 10 kHz; ≈ 460
1200 A/m
140 °C; 10 kHz; ≈ 400
1200 A/m
10
PV 100 °C; 100 kHz; ≈ 50 kW/m 3 10 1 1 10 10 2
f (MHz)
100 mT
100 °C; 100 kHz; ≈ 350
200 mT
ρ DC; 25 °C ≈5 Ωm
TC ≥ 280 °C Fig.1 Complex permeability as
density ≈ 4800 kg/m3 a function of frequency.

MFW002 MFW003
10000 500
3C92 25 oC 3C92
µi B 100 oC
(mT)
8000 400

6000 300

4000 200

2000 100

0 0
50 50 150 250 o 350 25 0 25 50 150 250
T ( C) H (A/m)

Fig.2 Initial permeability as a

function of temperature. Fig.3 Typical B-H loops.

2008 Sep 01 113

Ferroxcube

Material specification 3C92

MFW004 MFW005
8000 o
10 4
25 C 3C92
o
100 C 3C92
µa
µ rev
6000
10 3

4000

10 2

2000

0 10
3
0 100 200 300 400 1 10 10 2 H (A/m) 10
B (mT)

Fig.4 Amplitude permeability as a Fig.5 Reversible permeability as a

function of peak flux density. function of magnetic field strength.

MFW006
10 4 MFW007
o
T = 100 C 3C92 800
3C92
z

Pv Pv
kH

Hz

(kW/m 3) (kW/m 3 ) f B
500

k
kHz
200

(kHz) (mT)
100

600
10 3
kHz
25

100 200
400

10 2

200 200 100

25 200
10 100 100
1 10 10 2 10 3 0
B (mT) 0 40 80 120
T (o C)

Fig.7 Specific power loss for several

Fig.6 Specific power loss as a function of peak frequency/flux density combinations
flux density with frequency as a parameter. as a function of temperature.

2008 Sep 01 114

Ferroxcube

Material specification 3C92

DATA SHEET STATUS DEFINITIONS

DATA SHEET PRODUCT

DEFINITIONS
STATUS STATUS
Preliminary Development This data sheet contains preliminary data. Ferroxcube reserves the right to
specification 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

These are products that have been made as development samples for the purposes of
Prototype technical evaluation only. The data for these types is provisional and is subject to
change.
Design-in These products are recommended for new designs.
These products are recommended for use in current designs and are available via our
Preferred
sales channels.
These products are not recommended for new designs and may not be available
Support
through all of our sales channels. Customers are advised to check for availability.

2008 Sep 01 115