Ferrites and accessories
EP7
Core and accessories
Series/Type:
B65839, B65840
The following products presented in this data sheet are being withdrawn.
Ordering Code
Substitute Product
Date of Withdrawal
Deadline Last
Orders
Last Shipments
2013-11-30
B65840D2000X000
2013-05-29
2013-08-31
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.
EPCOS AG 2015. 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.
■
To IEC 61596
■
For transformers featuring high inductance and low overall height
■
For power applications
■
Delivery mode: sets
Magnetic characteristics
(per set)
Σ
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
EP 7
Core
∗
)
gapped
B65839
(one-sided)
FEP0004-T
Gapped
Material
A
L
value
nH
T38
63
±3%
100
±3%
160
±5%
200
±6%
250
±7%
T57
63
±3%
100
±3%
160
±5%
200
±6%
250
±7%
N45
63
±3%
100
±3%
160
±5%
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
µ
e
Ordering code
76
121
194
243
303
76
121
194
243
303
76
121
194
B65839A0063A038
B65839A0100A038
B65839A0160J038
B65839A0200C038
B65839A0250E038
B65839A0063A057
B65839A0100A057
B65839A0160J057
B65839A0200C057
B65839A0250E057
B65839A0063A045
B65839A0100A045
B65839A0160J045
Please read
Cautions and warnings
and
Important notes
at the end of this document.
09/06
2
EP 7
Core
200
±6%
250
±7%
N87
63
±3%
100
±3%
160
±5%
200
±6%
250
±7%
Ungapped
Material
A
L
value
nH
T57
N45
N30
T65
T38
T66
N87
1500 +30/–20%
1500 +30/–20%
2000 +30/–20%
3000 +30/–20%
5200 +40/–30%
5800 +40/–30%
1100 +30/–20%
1820
1820
2430
3640
6310
7040
1330
µ
e
P
V
W/set
B65839A0000R057
B65839A0000R045
B65839A0000R030
B65839A0000R065
B65839A0000Y038
B65839A0000Y066
< 0.08 (200 mT, 100 kHz, 100 B65839A0000R087
°C)
Ordering code
0.06
0.05
0.20
0.12
0.07
0.06
0.05
243
303
76
121
194
243
303
B65839
B65839A0200C045
B65839A0250E045
B65839A0063A087
B65839A0100A087
B65839A0160J087
B65839A0200C087
B65839A0250E087
Please read
Cautions and warnings
and
Important notes
at the end of this document.
09/06
3
EP 7
Accessories
Coil former
Material:
GFR thermosetting plastic (UL 94 V-0, insulation class to IEC 60085:
F max. operating temperature 155 °C), color code green
B65840
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
Sections
A
N
mm
2
4.7
4.2
l
N
mm
17.7
17.7
A
R
value
µΩ
128.7
143.8
Terminals
Ordering code
1
2
Cap yoke
6
6
B65840B1006D001
B65840B1006D002
B65840D2000X000
Please read
Cautions and warnings
and
Important notes
at the end of this document.
09/06
4
Coil former
10.7 0.2
pin 1
Cap yoke
_
Marking
of
A
3.6+0.1
View A
9,6 min.
8,2 min.
6,6 min.
0,4
0.45
0.5±0.05
4.8 0.1
_
_
10 ,1
Hole arrangement
View in mounting direction
3,8
5,6
FEP0006-U
EP 7
Accessories
Ground ø1.3+0.2
FEP0005-Z-E
B65840
Preliminary data
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,
1s
Sections
A
N
mm
2
4.5
l
N
mm
18.1
A
R
value
µΩ
138.1
Terminals
Ordering code
1
6
B65840N1106T001
Please read
Cautions and warnings
and
Important notes
at the end of this document.
09/06
5
