Ferroxcube EQ25-3F4 Eq cores and accessory Datasheet

FERROXCUBE
DATA SHEET
EQ25
EQ cores and accessories
Supersedes data of September 2004
2008 Sep 01
Ferroxcube
EQ cores and accessories
EQ25
CORES
Effective core parameters of a set of EQ cores
SYMBOL
PARAMETER
VALUE
UNIT
Σ(I/A)
core factor (C1)
0.414
mm −1
Ve
effective volume
4145
mm 3
Ie
effective length
41.4
mm
Ae
effective area
100
mm 2
Amin
minimum area
95.0
mm 2
m
mass of core half
≈ 11
g
5.15 halfpage
handbook,
8.0
± 0.1
± 0.15
25 ± 0.4
22 ± 0.4
15.2 ± 0.7
11 ± 0.2
18
± 0.3
MFP003
Dimensions in mm.
Fig.1 EQ25 core.
Core halves for general purpose transformers and power applications
Clamping force for AL measurements, 40 ± 20 N.
GRADE
AL
(nH)
AIR GAP
(µm)
µe
TYPE NUMBER
3C94
4800 ± 25 %
≈ 1580
≈0
EQ25-3C94
3C95
5710 ± 25 %
≈ 1880
≈0
EQ25-3C95
3C96
4400 ± 25 %
≈ 1450
≈0
EQ25-3C96
3F35
3350 ± 25 %
≈ 1100
≈0
EQ25-3F35
3F4
2300 ± 25 %
≈ 758
≈0
EQ25-3F4
3F45
2300 ± 25 %
≈ 758
≈0
EQ25-3F45
2008 Sep 01
2
Ferroxcube
EQ cores and accessories
EQ25
Properties of core sets under power conditions
B (mT) at
CORE
COMBINATION
CORE LOSS (W) at
H = 250 A/m;
f = 10 kHz;
T = 100 °C
f = 100 kHz;
ˆ = 100 mT;
B
T = 100 °C
f = 100 kHz;
ˆ = 200 mT;
B
T = 25 °C
f = 100 kHz;
ˆ = 200 mT;
B
T = 100 °C
f = 500 kHz;
ˆ = 50 mT;
B
T = 100 °C
EQ+EQ25-3C94
≥ 320
≤ 0.37
−
≤ 2.5
−
EQ+EQ25-3C95
≥ 320
−
≤ 2.45
≤ 2.32
−
EQ+EQ25-3C96
≥ 340
≤ 0.28
−
≤ 1.9
≤ 1.5
EQ+EQ25-3F35
≥ 300
−
−
−
≤ 0.56
Properties of core sets under power conditions (continued)
B (mT) at
CORE
COMBINATION
CORE LOSS (W) at
f = 1 MHz;
B̂ = 30 mT;
T = 100 °C
f = 1 MHz;
B̂ = 50 mT;
T = 100 °C
f = 3 MHz;
ˆ = 10 mT;
B
T = 100 °C
H = 250 A/m;
f = 10 kHz;
T = 100 °C
f = 500 kHz;
ˆ = 100 mT;
B
T = 100 °C
EQ+EQ25-3F35
≥ 300
≤ 4.3
−
−
−
EQ+EQ25-3F4
≥ 300
−
≤ 1.25
−
≤ 2.0
EQ+EQ25-3F45
≥ 300
−
≤ 0.95
≤ 3.5
≤ 1.6
2008 Sep 01
3
Ferroxcube
EQ cores and accessories
EQ25
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
4
Similar pages