FERROXCUBE EP7

FERROXCUBE
DATA SHEET
EP7
EP cores and accessories
Supersedes data of September 2004
2008 Sep 01
Ferroxcube
EP cores and accessories
EP7
CORE SETS
Effective core parameters
SYMBOL
PARAMETER
VALUE
UNIT
Σ(I/A)
core factor (C1)
1.45
mm −1
Ve
effective volume
165
mm 3
Ie
effective length
15.5
mm
Ae
effective area
10.7
mm 2
Amin
minimum area
8.55
mm 2
m
mass of core set
≈ 1.4
g
0
3.4 0.2
handbook, halfpage
0
6.5 0.3
1.7
0.1
;;;
;;;
;;;
7.2
0
7.5 0.2
MGC333
0.4
0
5
0.4
0
0
9.4 0.4
Dimensions in mm.
Fig.1 EP7 core set.
Core sets for filter applications
Clamping force for AL measurements, 20 ±10 N.
GRADE
3B46
AL
(nH)
µe
1500 ±25%
≈ 1730
AIR GAP
(µm)
≈0
TYPE NUMBER
EP7-3B46
Core sets for general purpose transformers and power applications
Clamping force for AL measurements, 20 ±10 N.
GRADE
3C81
AL
(nH)
TOTAL AIR GAP
(µm)
µe
TYPE NUMBER
25 ±3%
≈ 29
≈ 880
EP7-3C81-E25
40 ±3%
≈ 46
≈ 480
EP7-3C81-A40
63 ±3%
≈ 73
≈ 270
EP7-3C81-A63
100 ±3%
≈115
≈150
EP7-3C81-A100
160 ±5%
≈184
≈ 90
EP7-3C81-A160
1300 ±25%
≈ 1500
≈0
EP7-3C81
3C91
1300 ±25%
≈ 1500
≈0
EP7-3C91
3C94
25 ±3%
≈ 29
≈ 880
EP7-3C94-E25
40 ±3%
≈ 46
≈ 480
EP7-3C94-A40
63 ±3%
≈ 73
≈ 270
EP7-3C94-A63
100 ±3%
≈115
≈150
EP7-3C94-A100
160 ±5%
≈184
≈ 90
EP7-3C94-A160
≈ 1380
≈0
1200 ±25%
2008 Sep 01
675
EP7-3C94
Ferroxcube
EP cores and accessories
GRADE
3C96
3F3
3F35
EP7
AL
(nH)
µe
1120 ±25%
≈ 1290
TOTAL AIR GAP
(µm)
≈0
TYPE NUMBER
EP7-3C96
25 ±3%
≈ 29
≈ 880
EP7-3F3-E25
40 ±3%
≈ 46
≈ 480
EP7-3F3-A40
63 ±3%
≈ 73
≈ 270
EP7-3F3-A63
100 ±3%
≈ 115
≈150
EP7-3F3-A100
160 ±5%
≈ 184
≈ 90
EP7-3F3-A160
1000 ±25%
≈ 1150
≈0
EP7-3F3
850 ±25%
≈ 980
≈0
EP7-3F35
Core sets of high permeability grades
Clamping force for AL measurements, 20 ±10 N.
AL
(nH)
µe
3E27
3400 ± 25%
≈ 3920
EP7-3E27
3E5
5200 +40/−30%
≈ 5990
EP7-3E5
3E55
5200 +40/−30%
≈ 5990
EP7-3E55
3E6
5800 +40/−30%
≈ 6680
EP7-3E6
GRADE
2008 Sep 01
676
TYPE NUMBER
Ferroxcube
EP cores and accessories
EP7
Properties of core sets under power conditions
B (mT) at
GRADE
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;
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
3C81
≥320
≤ 0.04
−
−
−
3C91
≥320
−
≤ 0.11(1)
≤ 0.06 (1)
−
3C94
≥320
−
≤ 0.014
≤ 0.08
−
3C96
≥340
−
≤ 0.011
≤ 0.06
≤ 0.025
3F35
≥320
−
−
−
≤ 0.015
3F3
≥315
−
≤ 0.02
−
≤ 0.035
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
3C81
≥320
−
−
−
−
3C91
≥320
−
−
−
−
3C94
≥320
−
−
−
−
3C96
≥340
≤ 0.055
−
−
−
3F35
≥320
≤ 0.02
≤ 0.15
−
−
3F3
≥315
−
−
−
−
GRADE
Note
1. Measured at 60 °C.
2008 Sep 01
677
Ferroxcube
EP cores and accessories
EP7
COIL FORMERS
General data
PARAMETER
SPECIFICATION
Coil former material
phenolformaldehyde (PF), glass-reinforced, flame retardant in accordance with
“UL 94V-0”; UL file number E41429(M)
Pin material
copper clad steel, 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
1 ±0.15
4.85
10.7 max.
7 −0.1
0.6
0.5
0.6
handbook, full pagewidth
∅3.5
−0.05
1.9
∅4.4
−0.1
5.08
2.1
4.45
1.25
CBW507
∅1
∅0.5
8.5 max.
2.54
Dimensions in mm.
Fig.2 EP7 coil former: 4-pins.
Winding data and area product for 4-pins EP7 coil former
NUMBER OF
SECTIONS
WINDING
AREA
(mm2)
NOMINAL
WINDING
WIDTH
(mm)
AVERAGE
LENGTH OF
TURN
(mm)
AREA
PRODUCT
Ae x Aw
(mm4)
2
2 × 1.75
2 × 1.45
17.9
2 x 18.7
2008 Sep 01
678
TYPE NUMBER
CSH-EP7-2S-4P-TA
Ferroxcube
EP cores and accessories
EP7
General data CSH-EP7-1S-6P-B
PARMETER
SPECIFICATION
Coil former material
phenolformaldehyde (PF), glass-reinforced, flame retardant in accordance with
“UL 94V-0”; UL file number E41429(M)
Pin material
copper clad steel, 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
0
−0.1
0
4.4
−0.1
7
handbook, full pagewidth
1
4.85
3.5 +0.05
0
0.6
+0.15
0
0.6
5.08
1.9
2
1
∅1
2.54
8.5 max.
0.45
CBW260
10.7 max.
Dimensions in mm.
Fig.3 EP7 coil former: 6-pins.
Winding data and area product for 4 and 6-pins EP7 coil former
NUMBER OF
SECTIONS
MINIMUM
WINDING
AREA
(mm2)
NOMINAL
WINDING
WIDTH
(mm)
AVERAGE
LENGTH OF
TURN
(mm)
AREA
PRODUCT
Ae x Aw
(mm4)
1
4.3
3.4
17.7
46.0
CSH-EP7-1S-6P-BZ
1
4.3
3.4
17.7
46.0
CSH-EP7-1S-4P-BZ
2008 Sep 01
679
TYPE NUMBER
Ferroxcube
EP cores and accessories
EP7
General data for 6-pads EP7 SMD coil former
PARAMETER
SPECIFICATION
Coil former material
phenolformaldehyde (PF), glass reinforced, flame retardant in accordance with
“UL 94V-0” ; UL file number: E41429 (M)
Solder pad material
copper-clad steel , 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
7 −0.1
1.8
4.5
−0.1
4.9
−0.1
3.5
+0.1
3.8 min.
2.8
handbook, full pagewidth
7.3
max.
0.3
0.8
6
1.8
7.2
6
9.85 max.
9.2 max.
13.15 ± 0.3
3
CBW508
Dimensions in mm.
Fig.4 Coil former CSHS-EP7-1S-6P: 6-pads.
Winding data and area product for 6-pads EP7 SMD coil former
NUMBER OF
SECTIONS
WINDING
AREA
(mm 2)
MINIMUM
WINDING
WIDTH
(mm)
AVERAGE
LENGTH OF
TURN
(mm)
AREA
PRODUCT
Ae x Aw
(mm4)
1
4.7
3.9
17.9
50.3
CSHS-EP7-1S-6P-Z
1
4.7
3.9
17.9
50.3
CSHS-EP7-1S-5P-Z
2008 Sep 01
680
TYPE NUMBER
Ferroxcube
EP cores and accessories
EP7
MOUNTING PARTS
General data
ITEM
REMARKS
FIGURE TYPE NUMBER
Mounting clip
stainless steel (CrNi), tin (Sn) plated ; to be used in combination with
CSH-EP7-1S-6P-BZ
5
CLI/P-EP7
Mounting clip
stainless steel (CrNi); clamping force ≈22 N
6
CLI-EP7
+0.2
0
8.4
9.6
8.3
+0.3
6.6
0
+0.2
0
4.3
9.4
handbook, halfpage
4.75
7.8
7
handbook, halfpage
1.3
0
6.9 −0.3
9
1.5
3.8
0.4
0.25
1
0.25
9.6 +0.4
0
3.75
4
CBW282
5.6
CBW261
Dimensions in mm.
Dimensions in mm.
Fig.5 Mounting clip CLI/P-EP7.
2008 Sep 01
Fig.6 Mounting clip CLI-EP7.
681
Ferroxcube
EP cores and accessories
EP7
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
682