DATA SHEET
Supersedes data of September 2004 2008 Sep 01
FERROXCUBE
U93/52/30
U, I cores and accessories
2008 Sep 01 1346
Ferroxcube
U, I cores and accessories U93/52/30
U CORES
Effective core parameters
SYMBOL PARAMETER VALUE UNIT
Σ(I/A) core factor (C1) 0.307 mm−1
Veeffective volume 217000 mm3
Ieeffective length 258 mm
Aeeffective area 840 mm2
m mass of core half ≈ 560 g
handbook, halfpage
MGC200
36.2 1.2
28
93 1.8
24
0.45
30
0.6
52
0.5
2
Fig.1 U93/52/30 core half.
Dimensions in mm.
Core halves
AL measured on a combination of 2 U cores.
Properties of core sets under power conditions
GRADE AL
(nH) µeTYPE NUMBER
3C90 8700 ±25% ≈ 2100 U93/52/30-3C90
3C94 8700 ±25% ≈ 2100 U93/52/30-3C94
GRADE
B (mT) at CORE LOSS (W) at
H = 250 A/m;
f = 25 kHz;
T = 100 °C
f = 25 kHz;
= 200 mT;
T=100°C
f = 100 kHz;
=100mT;
T = 100 °C
3C90 ≥ 320 ≤ 28 ≤ 38
3C94 ≥ 320 −≤ 30
B
ˆB
ˆ
2008 Sep 01 1347
Ferroxcube
U, I cores and accessories U93/52/30
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.
