Data Sheet
Data Sheet
Date:
September 2006
EPCOS AG 2006. Reproduction, publication and dissemination of this data sheet and the
information contained therein without EPCOS' prior express consent is prohibited.
Ferrites and accessories
EP 7
Core and accessories
Series/Type:
B65839, B65840
2
09/06
Please read Cautions and warnings and
Important notes at the end of this document.
To IEC 61596
For transformers featuring high inductance
and low overall height
For power applications
Delivery mode: sets
Magnetic characteristics (per set)
l/A = 1.52 mm
1
l
e
= 15.7 mm
A
e
= 10.3 mm
2
A
min
= 8.5 mm
2
V
e
= 162 mm
3
Approx. weight 1.4 g/set
Gapped
Material
A
L
value
nH
s
approx.
mm
e
Ordering code
T38
63
3%
0.20
76
B65839A0063A038
100
3%
0.13
121
B65839A0100A038
160
5%
0.08
194
B65839A0160J038
200
6%
0.06
243
B65839A0200C038
250
7%
0.05
303
B65839A0250E038
T57
63
3%
0.20
76
B65839A0063A057
100
3%
0.13
121
B65839A0100A057
160
5%
0.08
194
B65839A0160J057
200
6%
0.06
243
B65839A0200C057
250
7%
0.05
303
B65839A0250E057
N45
63
3%
0.20
76
B65839A0063A045
100
3%
0.13
121
B65839A0100A045
160
5%
0.08
194
B65839A0160J045
200
6%
0.06
243
B65839A0200C045
250
7%
0.05
303
B65839A0250E045
N87
63
3%
0.20
76
B65839A0063A087
100
3%
0.12
121
B65839A0100A087
160
5%
0.07
194
B65839A0160J087
200
6%
0.06
243
B65839A0200C087
250
7%
0.05
303
B65839A0250E087
FEP0004-T
9,4 0,4
_
0,2
7,5
_
0,3
6,5
_
5+0,4
1,70,1
7,2+0,4
4,4
s
)
0,2
3,4
_
gapped (one-sided)
)
B65839
Core
EP 7
3
09/06
Please read Cautions and warnings and
Important notes at the end of this document.
Ungapped
Material
A
L
value
nH
e
P
V
W/set
Ordering code
T57
1500 +30/20%
1820
B65839A0000R057
N45
1500 +30/20%
1820
B65839A0000R045
N30
2000 +30/20%
2430
B65839A0000R030
T65
3000 +30/20%
3640
B65839A0000R065
T38
5200 +40/30%
6310
B65839A0000Y038
T66
5800 +40/30%
7040
B65839A0000Y066
N87
1100 +30/20%
1330
< 0.08 (200 mT, 100 kHz, 100 C) B65839A0000R087
B65839
Core
EP 7
4
09/06
Please read Cautions and warnings and
Important notes at the end of this document.
Coil former
Material:
GFR thermosetting plastic (UL 94 V-0, insulation class to IEC 60085:
F max. operating temperature 155 C), color code green
Vyncolit/X611
[E167521 (M)], VYNCOLIT NV
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 Data Book 2007, chapter "Processing notes, 2.1"
Squared pins.
Cap yoke
With ground terminal, made of stainless spring steel (tinned), 0.25 mm thick
Coil former
Cap yoke
Coil former
Ordering code
Sections
A
N
mm
2
l
N
mm
A
R
value
Terminals
1
4.7
17.7
128.7
6
B65840B1006D001
2
4.2
17.7
143.8
6
B65840B1006D002
Cap yoke
B65840D2000X000
FEP0005-Z-E
View in mounting direction
Hole arrangement
4.8
1+0.2
2.54
Ground 1.3+0.2
8.5
0.2
4.4 0.15
_
10.7
7 0.15
_
0.2
_
0.2
+0.3
1.25
3.2
_
0.1
_
3.6+0.1
Marking
of pin 1
_
0.45
0.50.05
3.5+0.1
0.1
_
FEP0006-U
5,6
3,8
9,1
7,65 min.
3,9
8,2 min.
9,6 min.
0,4
0,8
A
View A
6,6 min.
_
1 0,1
B65840
Accessories
EP 7
5
09/06
Please read Cautions and warnings and
Important notes at the end of this document.
SMD coil former with gullwing terminals
Material:
GFR liquid crystal polymer (UL 94 V-0), color code black
Sumika Super E4008
[E54705 (M)], SUMITOMO CHEMICAL CO LTD
Solderability: to IEC 60068-2-58, test Td, method 6 (Group 3): 245 C, 3 s
Resistance to soldering heat: to IEC 60068-2-58, test Td, method 6 (Group 3): 255 C, 10 s
permissible soldering temperature for wire-wrap connection on coil former: 400 C, 1 s
Sections
A
N
mm
2
l
N
mm
A
R
value
Terminals
Ordering code
1
4.5
18.1
138.1
6
B65840N1106T001
FEK0475-T-E
3.50.1
12.70.15
5.08
2.54
1.3
2.54
13.5
2
4.50.2
8.60.2
70.2
9.20.2
4.80.2
3.60.1
5.350.2
0.3
0.6
Recommended
PCB layout
B65840
Preliminary data
Accessories
EP 7
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