FERROXCUBE ER51-3C95

FERROXCUBE
DATA SHEET
ER51/10/38
Planar ER cores and accessories
New data
2008 Sep 01
Ferroxcube
Planar ER cores and accessories
ER51/10/38
CORE SETS
Effective core parameters
SYMBOL
Σ(I/A)
PARAMETER
core factor (C1)
VALUE
UNIT
mm−1
0.209
Ve
effective volume
25800
mm3
Ie
effective length
73.5
mm
Ae
effective area
351
mm2
Amin
minimum area
314
mm2
m
mass of core half
≈ 74.7
g
4.95
± 0.15
R0.25 max (4x)
10.16
± 0.15
A
20
± 0.4
3 + 0.3
−0
R2.0 (8x)
5˚
R1.0
(2x)
38.1
± 0.7
A
41.8 ± 0.8
Section A-A
4.4 min (2x)
51 ± 1.0
MFP219
Dimensions in mm.
Fig.1 ER51/10/38 core half.
Core halves for general purpose transformers and power applications
Clamping force for AL measurements, 150 ± 25 N.
AL
(nH)
GRADE
AIR GAP
(µm)
µe
TYPE NUMBER
8100 ± 25 %
≈ 1350
≈0
ER51/10/38-3C92
3C93
9400 ± 25 %
≈ 1570
≈0
ER51/10/38-3C93
3C95
14230 ± 25 %
≈ 2370
≈0
ER51/10/38-3C95
3C96
10200 ± 25 %
≈ 1700
≈0
ER51/10/38-3C96
3F3
10200 ± 25 %
≈ 1700
≈0
ER51/10/38-3F3
3C92
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
≤ 2.5
−
≤ 15.2
−
−
3C93
≥ 320
≤ 2.5
−
−
3C95
≥ 320
−
≤ 17.9
≤ 17
−
−
3C96
≥ 340
≤ 1.68
−
≤ 11.2
−
≤ 10.5
3F3
≥ 300
≤ 3.2
−
−
≤ 5.0
−
GRADE
1.
−
(1)
Measured at 140 °C.
2008 Sep 01
2
≤ 15.2
(1)
Ferroxcube
Planar ER cores and accessories
ER51/10/38
MOUNTING INFORMATION
52.2 min
40.8 max
20.6 min
40.0
min
R1.8 max (8×)
MFP220
Fig.2 Recommended PCB cut-out for ER51/10/38 cores.
Winding data for ER51/10/38 planar core
WINDING AREA
(mm2)
AVERAGE TRACK LENGTH
(mm)
FOOTPRINT AREA
(mm2)
108
97.1
1986
2008 Sep 01
3
Ferroxcube
Planar ER cores and accessories
ER51/10/38
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