Ferroxcube ER32-3F3-S Planar er cores and accessory Datasheet

FERROXCUBE
DATA SHEET
ER32/6/25
Planar ER cores and accessories
Supersedes data of September 2004
2008 Sep 01
Ferroxcube
Planar ER cores and accessories
ER32/6/25
CORE SETS
Effective core parameters
SYMBOL
PARAMETER
handbook,
2.9 +0 halfpage
VALUE
Σ(I/A)
core factor (C1)
0.270
mm−1
Ve
effective volume
5400
mm3
Ie
effective length
38.2
mm
Ae
effective area
141
mm2
Amin
minimum area
121
mm2
m
mass of core half
≈ 16
g
6.0
± 0.127
−0.25
UNIT
32.1 +0.55
−0.45
27.2 ± 0.4
12.4 ± 0.15
25.4
± 0.4
MFP075
R1.0 (4×)
Dimensions in mm.
Fig.1 ER32/6/25 core half.
Core sets for general purpose transformers and power applications
Clamping force for AL measurements, 50 ± 20 N.
AL
(nH)
GRADE
AIR GAP
(µm)
µe
TYPE NUMBER
3C92
5700 ± 25 %
≈ 1220
≈0
ER32/6/25-3C92-S
3C93
6600 ± 25 %
≈ 1420
≈0
ER32/6/25-3C93-S
3C95
9640 ± 25 %
≈ 2080
≈0
ER32/6/25-3C95-S
3C96
7160 ± 25 %
≈ 1540
≈0
ER32/6/25-3C96-S
3F3
7160 ± 25 %
≈ 1540
≈0
ER32/6/25-3F3-S
Properties of core sets under power conditions
B (mT) at
CORE LOSS (W) at
H = 250 A/m;
f = 25 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 = 400 kHz;
ˆ = 50 mT;
B
T = 100 °C
f = 500 kHz;
ˆ = 50 mT;
B
T = 100 °C
3C92
≥ 370
≤ 0.45
−
≤ 3.0
3C93
≥ 320
3C95
≥ 320
−
3C96
≥ 340
3F3
≥ 300
GRADE
1.
−
−
3.0(1)
−
−
≤ 3.5
≤ 3.33
−
−
≤ 0.3
−
≤ 2.2
−
≤ 1.9
≤ 0.65
−
−
≤ 1.0
−
≤
−
0.45(1)
Measured at 140 °C.
2008 Sep 01
2
≤
Ferroxcube
Planar ER cores and accessories
ER32/6/25
MOUNTING INFORMATION
32.85 min
26.6 max
12.7 min
26.0
min
R0.8 max (8×)
MFP081
Fig.2 Recommended PCB cut-out for ER32/6/25 cores.
Winding data for ER32/6/25 planar core
WINDING AREA
(mm2)
AVERAGE TRACK LENGTH
(mm)
FOOTPRINT AREA
(mm2)
41.1
62.2
828
2008 Sep 01
3
Ferroxcube
Planar ER cores and accessories
ER32/6/25
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
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