Ferroxcube E71-3C90-E160 E cores and accessory Datasheet

FERROXCUBE
DATA SHEET
E71/33/32
E cores and accessories
Supersedes data of September 2004
2008 Sep 01
Ferroxcube
E cores and accessories
E71/33/32
CORE SETS
Effective core parameters
SYMBOL
PARAMETER
70.5 ±1
handbook, halfpage
VALUE
+1.5
0
0
22
−0.7
UNIT
48
mm−1
Σ(I/A)
core factor (C1)
0.218
Ve
effective volume
102 000 mm3
Ie
effective length
149
mm
Ae
effective area
683
mm2
Amin
minimum area
676
mm2
m
mass of core half
≈ 260
g
21.9
32
+0.7
0
0
33.2
−0.5
0
−0.8
CBW077
Dimensions in mm.
Fig.1 E71/33/32 core half.
Core halves
AL measured in combination with a non-gapped core half, clamping force for AL measurements 60 ±20 N, unless stated
otherwise.
GRADE
3C90
TOTAL AIR GAP
(µm)
AL
(nH)
µe
100 ±5%(1)
≈ 17
≈ 17800
E71/33/32-3C90-E100
160 ±5%(1)
≈ 28
≈ 9620
E71/33/32-3C90-E160
250
±5%(1)
≈ 43
≈ 5280
E71/33/32-3C90-E250
315
±5%(1)
≈ 55
≈ 3900
E71/33/32-3C90-E315
400 ±8%(1)
≈ 69
≈ 2860
E71/33/32-3C90-E400
≈ 109
≈ 1620
E71/33/32-3C90-E630
630
±10%(1)
TYPE NUMBER
10800 ±25%
≈ 1880
≈0
E71/33/32-3C90
3C92
8000 ±25%
≈ 1390
≈0
E71/33/32-3C92
3C94
10800 ±25%
≈ 1880
≈0
E71/33/32-3C94
3C95
13330 ±25%
E71/33/32-3C95
3F3
≈ 2315
≈0
±5%(1)
≈ 17
≈ 17800
E71/33/32-3F3-E100
160 ±5%(1)
≈ 28
≈ 9620
E71/33/32-3F3-E160
250
±5%(1)
≈ 43
≈ 5280
E71/33/32-3F3-E250
315
±5%(1)
≈ 55
≈ 3900
E71/33/32-3F3-E315
400 ±8%(1)
≈ 69
≈ 2860
E71/33/32-3F3-E400
≈ 109
≈ 1620
E71/33/32-3F3-E630
≈ 1740
≈0
100
630
±10%(1)
10000 ±25%
Note
1. Measured in combination with an equal gapped core half.
2008 Sep 01
2
E71/33/32-3F3
Ferroxcube
E cores and accessories
E71/33/32
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 = 25 kHz;
ˆ = 200 mT;
B
T = 100 °C
f = 100 kHz;
B̂ = 100 mT;
T = 100 °C
f = 100 kHz;
B̂ = 200 mT;
T = 25 °C
3C90
≥320
≤ 12
≤ 16.5
3C92
≥370
−
≤ 11.5
3C94
≥320
−
3C95
≥320
3F3
≥320
GRADE
2008 Sep 01
f = 100 kHz;
B̂ = 200 mT;
T = 100 °C
f = 400 kHz;
ˆ = 50 mT;
B
T = 100 °C
−
−
−
−
≤ 60
−
≤ 11.5
−
≤ 60
−
−
−
≤ 73.4
≤ 69.4
−
−
≤ 14
−
−
≤ 29
3
Ferroxcube
E cores and accessories
E71/33/32
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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