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
E 16/8/5 (EF 16)
Core and accessories
Series/Type:
B66307, B66308
2
09/06
Please read Cautions and warnings and
Important notes at the end of this document.
To IEC 61246
E cores with high permeability
for common-mode chokes and
broadband applications
Delivery mode: single units
Magnetic characteristics (per set)
l/A = 1.87 mm
1
l
e
= 37.6 mm
A
e
= 20.1 mm
2
A
min
= 19.4 mm
2
V
e
= 756 mm
3
Approx. weight 3.6 g/set
Ungapped
Gapped
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).
Material
A
L
-Wert
nH
e
P
V
W/set
Ordering code
N30
1400 +30/20%
2080
B66307G0000X130
T46
5100
30%
7590
B66307F0000X146
N27
950 +30/20%
1410
< 0.14 (200 mT, 25 kHz, 100 C)
B66307G0000X127
N87
1000 +30/20%
1490
< 0.36 (200 mT, 100 kHz, 100 C)
B66307G0000X187
Material
g
mm
A
L
value
approx.
nH
e
Ordering code
** = 27 (N27)
**
= 87 (N87)
N27,
0.06
0.01
303
450
B66307G0060X1**
N87
0.10
0.02
212
315
B66307G0100X1**
0.50
0.05
69
102
B66307G0500X1**
FEK0096-R
g
5.7+0.4
0.4
4.7
_
0.3
4.7
_
11.3+0.6
+0.7
0.5
16
_
8.2
0.3
_
B66307
Core
E 16/8/5 (EF 16)
3
09/06
Please read Cautions and warnings and
Important notes at the end of this document.
Calculation factors (for formulas, see "E cores: general information")
Validity range:
K1, K2: 0.05 mm < s < 1.50 mm
K3, K4: 30 nH < A
L
< 330 nH
Material
Relationship between
air gap A
L
value
Calculation of saturation current
K1 (25 C)
K2 (25 C)
K3 (25 C)
K4 (25 C)
K3 (100 C)
K4 (100 C)
N27
42.2
0.701
57.0
0.847
52.1
0.865
N87
42.2
0.701
57.8
0.796
50.4
0.873
B66307
Core
E 16/8/5 (EF 16)
4
09/06
Please read Cautions and warnings and
Important notes at the end of this document.
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
Valox 420-SE0
[E45329 (M)], GE PLASTICS B V
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.
Yoke
Material:
Stainless spring steel (0.2 mm)
Horizontal version
Coil former
Ordering code
Version
Sections
A
N
mm
2
l
N
mm
A
R
value
Pins
Horizontal
1
22.3
34
52.4
8
B66308A1108T001
Vertical
1
22.3
34
52.4
8
B66308J1108T001
Yoke (ordering code per piece, 2 are required)
B66308A2010X000
Hole arrangement
View in mounting direction
B66308
Accessories
E 16/8/5 (EF 16)
5
09/06
Please read Cautions and warnings and
Important notes at the end of this document.
Vertical version
Yoke
Hole arrangement
View in mounting direction
FEK0099-G
0,25
11,1
_
17,8 0,25
_
6,1 0,2
_
18,2 max.
1,6
0,1
_
11,1 0,25
_
0,60,1
0,60,1
0,2
11,2
_
6,1 0,2
_
0,45
4,9+0,2
4,9+0,15
1
4
3,81
3 x 3,81 = 11,43
8,89
1+0,1
5
8
0,5
3,5
_
FEK0451-G
0.5 max.
3.60.15
_
0.2
16.8
+0.5
0.1
4.8
_
0.1
6.2
_
B66308
Accessories
E 16/8/5 (EF 16)
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