E25/13/7

FERROXCUBE
DATA SHEET
E25/13/7
E cores and accessories
Supersedes data of September 2004
2008 Sep 01
Ferroxcube
E25/13/7
(EF25)
E cores and accessories
CORE SETS
Effective core parameters
25 +0.8
−0.7
handbook, halfpage
SYMBOL
PARAMETER
VALUE
UNIT
Σ(I/A)
core factor (C1)
1.11
mm−1
Ve
effective volume
2 990
mm3
Ie
effective length
58.0
mm
Ae
effective area
52.0
mm2
Amin
minimum area
52.0
mm2
m
mass of core half
≈8
g
+1.0
0
7.5 0
−0.5
17.5
8.7
+0.5
−0
12.8
0
−0.5
R2
7.5 0
−0.5
CBW027
Dimensions in mm.
Fig.1 E25/13/7 core half.
Core halves
AL measured in combination with a non-gapped core half, clamping force for AL measurements 20 ±10 N unless
otherwise stated.
GRADE
3C81
AL
(nH)
TOTAL AIR GAP
(µm)
µe
TYPE NUMBER
≈ 56
≈ 1740
E25/13/7-3C81-E63
100 ±8%
≈ 99
≈ 920
E25/13/7-3C81-A100
160 ±8%
≈143
≈ 500
E25/13/7-3C81-A160
250 ±15%
≈ 224
≈ 280
E25/13/7-3C81-A250
315 ±15%
≈ 282
≈ 210
E25/13/7-3C81-A315
2460 ±25%
≈ 2200
≈0
63 ±5%(1)
±5%(1)
E25/13/7-3C81
≈ 56
≈ 1740
E25/13/7-3C90-E63
100 ±8%
≈ 99
≈ 920
E25/13/7-3C90-A100
160 ±8%
≈143
≈ 500
E25/13/7-3C90-A160
250 ±15%
≈ 224
≈ 280
E25/13/7-3C90-A250
315 ±15%
≈ 282
≈ 210
E25/13/7-3C90-A315
1900 ±25%
≈ 1700
≈0
E25/13/7-3C90
3C91
2460 ±25%
≈ 2200
≈0
E25/13/7-3C91
3C92
1450 ±25%
≈ 1280
≈0
E25/13/7-3C92
3C94
1900 ±25%
≈ 1700
≈0
E25/13/7-3C94
3C96
1650 ±25%
≈ 1480
≈0
E25/13/7-3C96
3C90
2008 Sep 01
63
377
Ferroxcube
E25/13/7
(EF25)
E cores and accessories
AL
(nH)
GRADE
3F3
TYPE NUMBER
≈ 56
≈ 1740
E25/13/7-3F3-E63
≈ 99
≈ 920
E25/13/7-3F3-A100
160 ±8%
≈143
≈ 500
E25/13/7-3F3-A160
250 ±15%
≈ 224
≈ 280
E25/13/7-3F3-A250
315 ±15%
≈ 282
≈ 210
E25/13/7-3F3-A315
1650 ±25%
≈ 1480
≈0
E25/13/7-3F3
1250 ±25%
≈ 1120
≈0
E25/13/7-3F3
63 ±5%(1)
100 ±8%
3F35
TOTAL AIR GAP
(µm)
µe
Note
1. Measured in combination with an equal gapped core half, clamping force for AL measurements, 20 ±10 N.
Core halves of high permeability grades
Clamping force for AL measurements 20 ±10 N.
AL
(nH)
µe
AIR GAP
(µm)
4000 ±25%
≈ 3580
≈0
GRADE
3E27
TYPE NUMBER
E25/13/7-3E27
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
3C81
≥320
3C90
≥330
3C91
≥320
−
3C92
≥370
−
≤ 0.3
≤ 1.5
−
3C94
≥330
−
≤ 0.3
≤ 1.5
−
3C96
≥340
−
≤ 0.22
≤ 1.2
−
3F3
≥320
−
≤ 0.38
−
≤ 0.65
3F35
≥300
−
−
−
−
GRADE
f = 100 kHz;
ˆ = 100 mT;
B
T = 100 °C
f = 100 kHz;
ˆ = 200 mT;
B
T = 100 °C
f = 400 kHz;
ˆ = 50 mT;
B
T = 100 °C
≤ 0.61
−
−
−
≤ 0.35
≤ 0.38
−
−
≤
0.22 (1)
≤
1.2(1)
−
Properties of core sets under power conditions (continued)
B (mT) at
CORE LOSS (W) at
H = 250 A/m;
f = 25 kHz;
T = 100 °C
f = 500 kHz;
ˆ = 50 mT;
B
T = 100 °C
f = 500 kHz;
ˆ = 100 mT;
B
T = 100 °C
f = 1 MHz;
ˆ = 30 mT;
B
T = 100 °C
f = 3 MHz;
ˆ = 10 mT;
B
T = 100 °C
3C96
≥340
≤ 1.1
−
−
−
3F3
≥320
−
−
−
−
3F35
≥300
≤ 0.4
≤ 3.1
−
−
GRADE
Note
1. Measured at 60 °C.
2008 Sep 01
378
Ferroxcube
E25/13/7
(EF25)
E cores and accessories
COIL FORMERS
General data for 6-pins E25/13/7 coil former
PARAMETER
SPECIFICATION
Coil former material
phenolformaldehyde (PF), glass reinforced, flame retardant in accordance with
“UL 94V-0”; UL file number E59481(M)
Pin material
copper-tin alloy (CuSn), tin (Sn) plated
Maximum operating temperature
180 °C, “IEC 60085”, class H
Resistance to soldering heat
“IEC 60068-2-20”, Part 2, Test Tb, method 1B, 350 °C, 3.5 s
Solderability
“IEC 60068-2-20”, Part 2, Test Ta, method 1, 235 °C, 2 s
13 ± 0.15
9.8 0
− 0.1
17.3 0
− 0.3
0
17.2 10− 0.1
12.7
± 0.1
12.7
∅ 0.8
2.9
6.2
7.8 + 0.1
0
15.45
19.8
5 ± 0.1
MFP179
17
Dimensions in mm.
Fig.2 E25/13/7 coil former; 6-pins.
Winding data and area product for 6-pins E25/13/7 coil former
NUMBER OF
SECTIONS
WINDING
AREA
(mm2)
MINIMUM
WINDING
WIDTH
(mm)
AVERAGE
LENGTH OF
TURN
(mm)
AREA
PRODUCT
Ae x Aw
(mm4)
1
56
15.45
49
2910
2008 Sep 01
379
TYPE NUMBER
CSV-E25/13/7-1S-6P-C
Ferroxcube
E25/13/7
(EF25)
E cores and accessories
General data for 10-pins E25/13/7 coil former
PARAMETER
SPECIFICATION
Coil former material
polybutyleneterephtalate (PBT), glass reinforced, flame retardant in accordance
with “UL 94V-0”; UL file number E41871(M)
Pin material
copper-tin alloy (CuSn), tin (Sn) plated
Maximum operating temperature
155 °C, “IEC 60085”, class F
Resistance to soldering heat
“IEC 60068-2-20” , Part 2, Test Tb, method 1B, 350 °C, 3.5 s
Solderability
“IEC 60068-2-20” , Part 2, Test Ta, method 1, 235 °C, 2 s
handbook, full pagewidth
28.8 max.
28 max.
0
17.3
−0.2
17.2
7.6 +0.15
0
1.3
0
−0.25
0
−0.15
15.45 min.
9.1 0
−0.15
20.05
max.
3.5
0.7
5
CBW029
Dimensions in mm.
Fig.3 E25/13/7 coil former; 10-pins.
Winding data and area product for 10-pins E25/13/7 coil former
NUMBER OF
SECTIONS
WINDING
AREA
(mm2)
MINIMUM
WINDING
WIDTH
(mm)
AVERAGE
LENGTH OF
TURN
(mm)
AREA
PRODUCT
Ae x Aw
(mm4)
1
63.3
15.45
52.8
3290
2008 Sep 01
380
TYPE NUMBER
CPH-E25/13/7-1S-10P
Ferroxcube
E25/13/7
(EF25)
E cores and accessories
MOUNTING PARTS
General data for mounting parts
ITEM
Clip
REMARKS
FIGURE
stainless steel (CrNi)
handbook, halfpage
4
27.9 min.
16
3
6.5
0.3
7.5
CBW030
Dimensions in mm.
Fig.4 E25/13/7 clip.
2008 Sep 01
381
TYPE NUMBER
CLI-E25/13/7
Ferroxcube
E25/13/7
(EF25)
E cores and accessories
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
382