E/ELP Cores
Series/Type:
E 16/8/5
The following products presented in this data sheet are being withdrawn.
Ordering Code
B66307F0000X142
Substitute Product
B66307F0000X066
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.
E 16/8/5 (EF 16)
Core
I
In accordance with IEC 61246
I
E cores with high permeability for common-mode
B66307
chokes and broadband applications
I
E cores are supplied as single units
Magnetic characteristics
(per set)
Σ
l/A
l
e
A
e
A
min
V
e
= 1,87 mm
–1
= 37,6 mm
= 20,1 mm
2
= 19,4 mm
2
= 756 mm
3
Approx. weight
3,6 g/set
Ungapped
Material
N30
N27
N87
T42
A
L
-Wert
nH
µ
e
A
L1min
P
V
nH
W/set
Ordering code
B66307-G-X130
1400 + 30/– 20 % 2080
950 + 30/– 20 % 1410 670
1000 + 30/– 20 % 1490 670
5100
±
30 %
7570
< 0,14
B66307-G-X127
(200 mT, 25 kHz, 100 °C)
< 0,36
B66307-G-X187
(200 mT, 100 kHz, 100 °C)
B66307-F-X142
Gapped
Material
g
mm
N27,
N87
0,06
±
0,01
0,10
±
0,02
0,50
±
0,05
A
L
value
approx.
nH
303
212
69
µ
e
Ordering code
** = 27 (N27)
**
= 87 (N87)
B66307-G60-X1**
B66307-G100-X1**
B66307-G500-X1**
450
315
102
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).
397
08/01
E 16/8/5 (EF 16)
Core
Calculation factors
(for formulas, see
“E cores: general information”,
page 382)
Material
Relationship between
air gap –
A
L
value
K1
(25 °C)
N27
N87
Validity range:
42,2
42,2
K2
(25 °C)
– 0,701
– 0,701
Calculation of saturation current
K3
(25 °C)
57,0
57,8
K4
(25 °C)
– 0,847
– 0,796
K3
(100 °C)
K4
(100 °C)
52,1
50,4
– 0,865
– 0,873
B66307
K1, K2:
0,05 mm <
s
< 1,50 mm
K3, K4:
30 nH <
A
L
< 330 nH
398
08/01
E 16/8/5 (EF 16)
Accessories
Coil former (magnetic axis horizontal or vertical)
Material:
GFR polyterephthalate (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
Winding:
see
“Processing Notes”,
page 159
Squared pins
Yoke
Material:
Coil former
Figure
1
2
Sections
1
1
A
N
mm
2
22,3
22,3
l
N
mm
34
34
A
R
value
µΩ
52,4
52,4
Pins
8
8
B66308-A1108-T1
B66308-J1108-T1
B66308-A2010
Stainless spring steel (0,2 mm)
Ordering code
B66308
Yoke (ordering code per piece, 2 are required)
Figure 1, horizontal version
Hole arrangement
View in mounting direction
399
08/01
E 16/8/5 (EF 16)
Accessories
Figure 2, vertical version
17,8
_
0,25
11,1
_
0,25
0,6±0,1
B66308
11,1
_
0,25
6,1
_
0,2
6,1
_
0,2
18,2 max.
1,6
_
0,1
11,2
_
0,2
0,6±0,1
3,5
_
0,5
0,45
1+0,1
3 x 3,81 = 11,43
4,9+0,2
1
4
8,89
4,9+0,15
FEK0099-G
Yoke
400
08/01
3,81
5
8
Hole arrangement
View in mounting direction
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