Datasheet for Retaining Clip EFD15

Datasheet for Retaining Clip EFD15
EFD/EV/DE Cores
Series/Type:
EFD 15/8/5
The following products presented in this data sheet are being withdrawn.
Ordering Code
B66414B6008T002
Substitute Product
Date of
Withdrawal
2003-08-08
Deadline Last
Orders
2004-02-29
Last Shipments
2004-08-31
For further information please contact your nearest EPCOS sales office, which will also support
you in selecting a suitable substitute. The addresses of our worldwide sales network are
presented at www.epcos.com/sales.
EFD 15/8/5
Core
B66413
■ E core with flattened, lower center leg
15±0,4
5,5±0,2
0,2±0,1
4,65±0,15
= 2,27 mm–1
= 34 mm
= 15 mm2
= 12,2 mm2
= 510 mm3
5,3±0,15
11±0,35
Approx. weight 2,8 g/set
2,4±0,1
Magnetic characteristics (per set)
Σl/A
le
Ae
A min
Ve
7,5±0,15
g
for especially flat transformer design
■ For DC/DC converters
■ EFD cores are supplied as single units
FEK0417-2
Ungapped
Material
AL value
nH
µe
N49
600 + 30/– 20 %
1080 330
< 0,11
B66413-G-X149
(50 mT, 500 kHz, 100 °C)
N87
780 + 30/– 20 %
1400 560
< 0,28
B66413-G-X187
(200 mT, 100 kHz, 100 °C)
Material
AL value
nH
µe
g
approx. mm
Ordering code
N87
100 ± 10 %
160 ± 15 %
180
288
0,17
0,08
B66413-U100-K187
B66413-U160-L187
A L1min P V
nH
W/set
Ordering code
Gapped
The A L value in the table applies to a core set comprising one ungapped core (dimension g = 0) and
one gapped core (dimension g > 0).
Calculation factors (for formulas, see “E cores: general information”, page 382)
Calculation of saturation current
Material
Relationship between
air gap – A L value
K1 (25 °C)
K2 (25 °C)
K3 (25 °C)
K4 (25 °C)
K3 (100 °C) K4 (100 °C)
N87
29,7
– 0,676
44,2
– 0,796
33,2
Validity range:
K1, K2: 0,10 mm < s < 1,00 mm
K3, K4: 30 nH < A L < 280 nH
507 08/01
– 0,873
EFD 15/8/5
Accessories
B66414
Coil former
Material:
GFR thermosetting plastic; UL 94 V-0, insulation class to IEC 60085:
B66414-B: F max.operating temperature 155 °C; color code green
B66414-W: H max.operating temperature 180 °C; color code black
Solderability: to IEC 60068-2-20, test Ta, method 1 (aging 3): 235 °C, 2 s
Resistance to soldering heat: to IEC 60068-2-20, test Tb, method 1B: 350 °C, 3,5 s
Winding:
see “Processing Notes”, page 157
Squared pins
Yoke
Material:
Stainless spring steel (0,25 mm)
Coil former
Ordering code
Sections
AN
mm2
lN
mm
AR value
µΩ
Pins
1
15,5
35,9
79,7
8
B66414-B1008-D1
B66414-W1008-D1
Yoke (ordering code per piece, 2 are required)
B66414-B2000
Coil former
Yoke
15±0,2
6,95 _ 0,1
8
1
5
13,75
ø1+0,1
13,6 min.
Mounting holes
4
1
3
15,6
2
16,5±0,2
1
4,8 max.
4,4
FEK0271-J
7
8
6
1
5
3,75
4
11,25
Duroplast
Marking of pin 1
3,5±0,2
10,4 _ 0,2
4
1,6 _ 0,15
2,55
8,85 min.
7,5 _ 0,2
1,7
8,3 max.
10,55 _ 0,15
5,55+0,15
0,45
CuSn6, tinned
FEK0418-A
508 08/01
EFD 15/8/5
Accessories
B66414
SMD coil former with J terminals
Material:
GFR liquid crystal polymer (UL 94 V-0, insulation class to IEC 60085:
F max. operating temperature 155 °C), color code black
Solderability: to IEC 60068-2-20, test Ta, method 1 (aging 3): 350 °C, 1 s
Resistance to soldering heat: to IEC 60068-2-20, test Tb, method 1B: 350 °C, 3,5 s
permissible soldering temperature for wire-wrap connection on coil former: 400 °C, 1 s
Winding:
see “Processing Notes”, page 160
Yoke
Material:
Mounting:
Stainless spring steel (0,25 mm)
Preferred assembly direction from the top
Cover plate
For marking and improved processing on assembly machines.
See under coil former for material and resistance to soldering heat.
Sections
AN
mm2
lN
mm
AR value
µΩ
Terminals
Ordering code
1
18,1
35,1
66,7
8
B66414-B6008-T1
2
17,1
35,1
70,5
8
B66414-B6008-T2
Yoke (ordering code per piece, 2 are required)
B66414-B2000
Cover plate
B66414-A7000
Coil former
Yoke
15 _ 0,25
10,4 _ 0,2
1
Cover plate
Abdeckplatte
2,5
Center flange omitted for one-section version
1,8±0,1
6,6±0,1
3,75
11,25
1,2
5
11,25
6
4
3,75
7
3
0,55±0,05
8
0,5 max.
Recommended
Empfehlung
für das
Leiterplattenlayout
PCB layout
2
13,6 min.
1
FEK0271-J
16 _ 0,2
1
15,6
7,3 _ 0,1
7,7±0,15
3,45 _ 0,2
20,8 _ 0,3
0,6±0,05
2,6+0,15
10,6 _ 0,2
5,5+0,2
0,5±0,05
0,5±0,05
6,4 _ 0,2
4,8 max.
4,4
12,8±0,1
17,7
FEK0187-Y
FEK0329-J
509 08/01
Herausgegeben von EPCOS AG
Marketing Kommunikation, Postfach 80 17 09, 81617 München, DEUTSCHLAND
 EPCOS AG 2000. Alle Rechte vorbehalten. Vervielfältigung, Veröffentlichung, Verbreitung und
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Published by EPCOS AG
Marketing Communications, P.O. Box 80 17 09, 81617 Munich, GERMANY
 EPCOS AG 2000. All Rights Reserved. Reproduction, publication and dissemination of this brochure and the information contained therein without EPCOS’ prior express consent is prohibited.
The information contained in this brochure describes the type of component and shall not be considered as guaranteed characteristics. Purchase orders are subject to the General Conditions for
the Supply of Products and Services of the Electrical and Electronics Industry recommended by the
ZVEI (German Electrical and Electronic Manufacturers’ Association), unless otherwise agreed.
This brochure replaces the previous edition.
For questions on technology, prices and delivery please contact the Sales Offices of EPCOS AG or
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Due to technical requirements components may contain dangerous substances. For information on
the type in question please also contact one of our Sales Offices.
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