FERROXCUBE
DATA SHEET
  3C11
  Material specification
Supersedes data of September 2004       2008 Sep 01
Ferroxcube
     Material specification                                                                                                                      3C11
3C11 SPECIFICATIONS
 A medium permeability material mainly for use in
 current compensated chokes in EMI-suppression                                                                                              MBW252
                                                                                           10 5
 filters.                                                                                                                                   3C11
                                                                                       µ's , µ''s
SYMBOL                CONDITIONS             VALUE                UNIT
µi                25 °C; ≤10 kHz;       4300 ± 20%
                                                                                           10 4
                  0.25 mT                                                                              µ's
B                 25 °C; 10 kHz;        ≈ 390                     mT
                  1200 A/m
                  100 °C; 10 kHz;       ≈ 230                                                                                               µ''s
                  1200 A/m                                                                 10 3
tanδ/µi           25 °C; 100 kHz;       ≤ 20 × 10−6
                  0.25 mT
                  25 °C; 300 kHz;       ≤ 200 × 10−6
                                                                                               2
                  0.25 mT                                                                  10
                                                                                                                        1
                                                                                             10 2                  10            1                 10
ρ                 DC; 25 °C             ≈1                        Ωm                                                                    f (MHz)
TC                                      ≥ 125                     °C
density                                 ≈ 4900                    kg/m3
                                                                                                    Fig.1    Complex permeability as
                                                                                                             a function of frequency.
                                                                                                                                         MBW254
                                                                                       500                          25 oC
                                                                               handbook, halfpage
                                                                                                                                           3C11
                                                                                     B                             100 oC
                                                      MBW253                        (mT)
      10000
handbook, halfpage
                                                      3C11                             400
       µi
       7500                                                                            300
                                                                                       200
       5000
                                                                                       100
       2500
                                                                                         0
                                                                                             25        0      25            50   150             250
                                                                                                                                       H (A/m)
            0
             50               50           150   T ( o C)   250
                     Fig.2   Initial permeability as a
                             function of temperature.                                                   Fig.3 Typical B-H loops.
2008 Sep 01                                                               62
Ferroxcube
  Material specification                                           3C11
                                                   MBW255
       10 4
handbook, halfpage                                 3C11
       µ rev
       10 3
       10 2
         10
                                                          3
               1           10           10 2   H (A/m) 10
          Fig.4      Reversible permeability as a
                     function of magnetic field strength.
2008 Sep 01                                                   63
Ferroxcube
  Material specification                                                                                         3C11
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                                                 64