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The following products presented in this data sheet are being withdrawn:
B66307F0000X142
Date of withdrawal: 02−AUG−02
Deadline for last orders: 31−DEC−02
Last shipments: 31−DEC−02
For further information please contact your nearest EPCOS sales office, which will also support
you in selecting a suitable substitute. The addresses of the sales offices are given on the Internet
at www.epcos.com/sales.
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E 16/8/5 (EF 16)
■ In accordance with IEC 61246
■ E cores with high permeability for common-mode
chokes and broadband applications
■ E cores are supplied as single units
Magnetic characteristics (per set)
Σl/A = 1,87 mm
–1
le= 37,6 mm
= 20,1 mm
A
e
A
= 19,4 mm
min
Ve= 756 mm
2
2
3
Approx. weight 3,6 g/set
Ungapped
B66307Core
Material A
nH
-Wert
L
µ
A
nH
L1min
P
V
W/set
e
Ordering code
N30 1400 + 30/– 20 % 2080 B66307-G-X130
N27 950 + 30/– 20 % 1410 670 < 0,14
B66307-G-X127
(200 mT, 25 kHz, 100 °C)
N87 1000 + 30/– 20 % 1490 670 < 0,36
B66307-G-X187
(200 mT, 100 kHz, 100 °C)
T42 5100
± 30 % 7570 B66307-F-X142
Gapped
Material g
mm
N27, 0,06
N87 0,10
The A
value in the table applies to a core set comprising one ungapped core (dimension g = 0) and
L
one gapped core (dimension g > 0).
± 0,01 303 450 B66307-G60-X1**
± 0,02 212 315 B66307-G100-X1**
0,50
± 0,05 69 102 B66307-G500-X1**
A
value
L
approx.
nH
µ
e
Ordering code
** = 27 (N27)
** = 87 (N87)
397 08/01
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E 16/8/5 (EF 16)
Calculation factors (for formulas, see “E cores: general information”, page 382)
B66307Core
Material Relationship between
air gap – A
value
L
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
Validity range: K1, K2: 0,05 mm < s < 1,50 mm
K3, K4: 30 nH < A
< 330 nH
L
398 08/01
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E 16/8/5 (EF 16)
B66308Accessories
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: Stainless spring steel (0,2 mm)
Coil former Ordering code
Figure Sections A
mm
N
l
2
N
mm
A
valueµΩPins
R
1 1 22,3 34 52,4 8 B66308-A1108-T1
2 1 22,3 34 52,4 8 B66308-J1108-T1
Yoke (ordering code per piece, 2 are required) B66308-A2010
Figure 1, horizontal version
399 08/01
Hole arrangement
View in mounting direction
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E 16/8/5 (EF 16)
Figure 2, vertical version
_
17,8 0,25
_
0,2511,1
_
6,1 0,2
0,211,2
_
0,6±0,10,6±0,1
_
11,1 0,25
_
6,1 0,2
B66308Accessories
18,2 max.
0,53,5
_
8
4,9+0,2
14
4,9+0,15
5
Yoke
_
1,6 0,1
0,45
1+0,1
Hole arrangement
View in mounting direction
3,81
3 x 3,81 = 11,43
8,89
FEK0099-G
400 08/01
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Herausgegeben von EPCOS AG
Marketing Kommunikation, Postfach 80 17 09, 81617 München, DEUTSCHLAND
EPCOS AG 2000. Alle Rechte vorbehalten. Vervielfältigung, Veröffentlichung, Verbreitung und
Verwertung dieser Broschüre und ihres Inhalts ohne ausdrückliche Genehmigung der EPCOS AG
nicht gestattet.
Mit den Angaben in dieser Broschüre werden die Bauelemente spezifiziert, keine Eigenschaften
zugesichert. Bestellungen unterliegen den vom ZVEI empfohlenen Allgemeinen Lieferbedingungen
für Erzeugnisse und Leistungen der Elektroindustrie, soweit nichts anderes vereinbart wird.
Diese Broschüre ersetzt die vorige Ausgabe.
Fragen über Technik, Preise und Liefermöglichkeiten richten Sie bitte an den Ihnen nächstgele-
genen Vertrieb der EPCOS AG oder an unsere Vertriebsgesellschaften im Ausland.
Bauelemente können aufgrund technischer Erfordernisse Gefahrstoffe enthalten. Auskünfte
darüber bitten wir unter Angabe des betreffenden Typs ebenfalls über die zuständige Vertriebsgesellschaft einzuholen.
Published by EPCOS AG
Marketing Communications, P.O. Box 80 17 09, 81617 Munich, GERMANY
EPCOS AG 2000. All Rights Reserved. Reproduction, publication and dissemination of this brochure and the information contained therein without EPCOS’ prior express consent is prohibited.
The information contained in this brochure describes the type of component and shall not be considered as guaranteed characteristics. Purchase orders are subject to the General Conditions for
the Supply of Products and Services of the Electrical and Electronics Industry recommended by the
ZVEI (German Electrical and Electronic Manufacturers’ Association), unless otherwise agreed.
This brochure replaces the previous edition.
For questions on technology, prices and delivery please contact the Sales Offices of EPCOS AG or
the international Representatives.
Due to technical requirements components may contain dangerous substances. For information on
the type in question please also contact one of our Sales Offices.
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