Ferrites and accessories
EP 7
Core and accessories
Series/Type:
Date:
B65839, B65840
May 2017
EPCOS AG 2017. Reproduction, publication and dissemination of this publication, enclosures hereto and the
information contained therein without EPCOS’ prior express consent is prohibited.
EPCOS AG is a TDK Group Company.
EP 7
Core
■
To IEC 62317-5
■
For transformers featuring high inductance
B65839
and low overall height
■
For power applications
■
Delivery mode: sets
Magnetic characteristics
(per set)
Σl/A
l
e
A
e
A
min
V
e
= 1.52 mm
–1
= 15.7 mm
= 10.3 mm
2
= 8.5 mm
2
= 162 mm
3
Approx. weight
1.4 g/set
Gapped
(A
L
values/air gaps examples)
Material
A
L
value
nH
T38
63
±3%
100
±3%
160
±5%
200
±6%
250
±7%
63
±3%
100
±3%
160
±5%
200
±6%
250
±7%
63
±3%
100
±3%
160
±5%
200
±6%
250
±7%
63
±3%
100
±3%
160
±5%
200
±6%
250
±7%
s
approx.
mm
0.20
0.13
0.08
0.06
0.05
0.20
0.13
0.08
0.06
0.05
0.20
0.13
0.08
0.06
0.05
0.20
0.12
0.07
0.06
0.05
μ
e
Ordering code
76
121
194
243
303
76
121
194
243
303
76
121
194
243
303
76
121
194
243
303
B65839A0063A038
B65839A0100A038
B65839A0160J038
B65839A0200C038
B65839A0250E038
B65839A0063A057
B65839A0100A057
B65839A0160J057
B65839A0200C057
B65839A0250E057
B65839A0063A045
B65839A0100A045
B65839A0160J045
B65839A0200C045
B65839A0250E045
B65839A0063A087
B65839A0100A087
B65839A0160J087
B65839A0200C087
B65839A0250E087
T57
N45
N87
Please read
Cautions and warnings
and
Important notes
at the end of this document.
2
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EP 7
Core
Ungapped
Material
A
L
value
nH
N45
N30
T57
T65
T38
T66
N87
1500 +30/–20%
2000 +30/–20%
1500 +30/–20%
3000 +30/–20%
5200 +40/–30%
5800 +40/–30%
1100 +30/–20%
1820
2430
1820
3640
6310
7040
1330
μ
e
P
V
W/set
B65839A0000R045
B65839A0000R030
B65839A0000R057
B65839A0000R065
B65839A0000Y038
B65839A0000Y066
< 0.08 (200 mT, 100 kHz, 100 °C) B65839A0000R087
Ordering code
B65839
Other A
L
values/air gaps and materials available on request – see Processing remarks on page 7.
Please read
Cautions and warnings
and
Important notes
at the end of this document.
3
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EP 7
Accessories
Coil former
GFR thermosetting plastic (UL 94 V-0, insulation class to IEC 60085:
F max. operating temperature 155 °C), color code green
B65840B1006D001: Sumikon PM 9630
®
[
E41429 (M)
]
, color code black,
SUMITOMO BAKELITE CO LTD
B65840B1006D002: 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 Processing notes, 2.1
Pins:
Squared pins
Coil former
Sections
1
2
Coil former
A
N
mm
2
4.7
4.2
l
N
mm
17.7
17.7
A
R
value
μΩ
128.7
143.8
Terminals
6
6
B65840B1006D001
B65840B1006D002
Ordering code
Material:
B65840
Please read
Cautions and warnings
and
Important notes
at the end of this document.
4
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EP 7
Accessories
SMD coil former with gullwing terminals
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
1
A
N
mm
2
4.5
l
N
mm
18.1
A
R
value
μΩ
138.1
Terminals
6
Ordering code
B65840N1106T001
Material:
B65840
Please read
Cautions and warnings
and
Important notes
at the end of this document.
5
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