PM/P/P Cores Halves/EP/TT/PR Cores
Series/Type:
EP 7
The following products presented in this data sheet are being withdrawn.
Ordering Code
B65839A0000Y042
Substitute Product
B65839A0000Y066
Date of
Withdrawal
2002-08-02
Deadline Last
Orders
2002-12-31
Last Shipments
2003-03-31
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.
EP 7
Core
I
In accordance with IEC 61596
I
For transformers featuring high inductance
I
For power applications
I
EP cores are supplied in sets
B65839
4,4
6,5
_
0,3
and low overall height
1,7±0,1
3,4
_
0,2
7,2+0,4
Magnetic characteristics
(per set)
Σ
l/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
7,5
_
0,2
5+0,4
Approx. weight
1,4 g/set
∗
)
9,4
_
0,4
gapped (one-sided)
FEP0004-T
Gapped
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 %
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
0,12
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
B65839-A63-A38
B65839-A100-A38
B65839-A160-J38
B65839-A200-C38
B65839-A250-E38
B65839-A63-A57
B65839-A100-A57
B65839-A160-J57
B65839-A200-C57
B65839-A250-E57
B65839-A63-A87
B65839-A100-A87
B65839-A160-J87
B65839-A200-C87
B65839-A250-E87
T57
1)
N87
1) Preliminary data
277
08/01
s
∗
)
EP 7
Core
Ungapped
Material
A
L
value
nH
N30
T57
1)
T65
T38
T42
N87
2000 + 30/– 20 % 2420
1500 + 30/– 20 % 1820
3000 + 30/– 20 % 3640
5200 + 40/– 30 % 6290
5800 + 40/– 30 % 7000
1100 + 30/– 20 % 1330
750
B65839
µ
e
A
L1min
P
V
nH
W/set
Ordering code
B65839-A-R30
B65839-A-R57
B65839-A-R65
B65839-A-Y38
B65839-A-Y42
< 0,08
B65839-A-R87
(200 mT, 100 kHz, 100 °C)
1) Preliminary data
278
08/01
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
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 156
Squared pins
Cap yoke
With ground terminal, made of stainless spring steel (tinned), 0,25 mm thick
Coil former
Sections
1
2
Cap yoke
A
N
mm
2
4,7
4,2
l
N
mm
17,7
17,7
A
R
value
µΩ
128,7
143,8
Terminals
4
6
4
6
B65840-B1004-D1
B65840-B1006-D1
B65840-B1004-D2
B65840-B1006-D2
B65840-D2000
Ordering code
B65840
Coil former
10,7
_
0,2
Marking
of pin 1
Cap yoke
A
8,5
_
0,2
7
_
0,1
4,4
_
0,1
3,6+0,1
4,8
_
0,1
View A
9,6 min.
8,2 min.
6,6 min.
1,25
_
0,1
_
0,2
3,2
+0,3
ø3,5+0,1
0,45
0,5±0,05
2,54
7,65 min.
1
_
0,1
3,8
5,6
FEP0006-U
9,1
0,8
0,4
Hole arrangement
View in mounting direction
ø1+0,2
Ground ø1,3+0,2
FEP0005-Z
279
08/01
3,9
EP 7
Accessories
SMD coil former with U terminals
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): 235 °C, 2 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
Sections
1
A
N
mm
2
4,7
l
N
mm
18,0
A
R
value
µΩ
132,9
Terminals
6
Ordering code
B65840-F1106-T1
Material:
B65840
7
4,5
4,9 max.
3,8
0,85
2,54
2,54
8,2
_
0,2
2,4 max.
9,7±0,2
13,8±0,2
Recommended PCB layout
9,9 max.
3,8
1,2
ø3,6
3
12
0,6
FEP0007-I
280
08/01
2,54
5,08
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