Ferrites and accessories
E 16/8/5 (EF 16)
Core and accessories
Series/Type:
Date:
B66307, B66308
June 2013
Data Sheet
EPCOS AG 2013. Reproduction, publication and dissemination of this data sheet and the
information contained therein without EPCOS’ prior express consent is prohibited.
E 16/8/5 (EF 16)
Core
■
To IEC 61246
■
E cores with high permeability
B66307
for common-mode chokes and
broadband applications
■
Delivery mode: single units
Magnetic characteristics
(per set)
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
T46
N27
N87
A
L
-Wert
nH
1400 +30/–20%
5100
30%
950 +30/–20%
1000 +30/–20%
e
2080
7590
1410
1490
< 0.14 (200 mT, 25 kHz, 100 °C)
< 0.38 (200 mT, 100 kHz, 100 °C)
P
V
W/set
Ordering code
B66307G0000X130
B66307F0000X146
B66307G0000X127
B66307G0000X187
Gapped
Material
g
mm
N27,
N87
0.060.01
0.100.02
0.500.05
A
L
value
approx.
nH
303
212
69
e
Ordering code
** = 27 (N27)
**
= 87 (N87)
B66307G0060X1**
B66307G0100X1**
B66307G0500X1**
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).
Please read
Cautions and warnings
and
Important notes
at the end of this document.
2
06/13
E 16/8/5 (EF 16)
Core
Calculation factors
(for formulas, see
“E cores: general information”)
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
Please read
Cautions and warnings
and
Important notes
at the end of this document.
3
06/13
E 16/8/5 (EF 16)
Accessories
Coil former (magnetic axis horizontal or vertical)
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 2013, chapter “Processing notes, 2.1”
Squared pins.
Yoke
Material:
Coil former
Version
Horizontal
Vertical
Sections
1
1
A
N
mm
2
22.3
22.3
l
N
mm
34
34
A
R
value
52.4
52.4
Pins
8
8
B66308B1108T001
B66308W1108T001
B66308A2010X000
Stainless spring steel (0.2 mm)
Ordering code
Material:
B66308
Yoke (ordering code per piece, 2 are required)
Horizontal version
Hole arrangement
View in mounting direction
Please read
Cautions and warnings
and
Important notes
at the end of this document.
4
06/13
E 16/8/5 (EF 16)
Accessories
Vertical version
B66308
Hole arrangement
View in mounting direction
Yoke
Please read
Cautions and warnings
and
Important notes
at the end of this document.
5
06/13
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