B66421-U160-K187 [EPCOS]

EFD 25/13/9 Core; EFD 25/13/9核心
B66421-U160-K187
型号: B66421-U160-K187
厂家: EPCOS    EPCOS
描述:

EFD 25/13/9 Core
EFD 25/13/9核心

文件: 总3页 (文件大小:86K)
中文:  中文翻译
下载:  下载PDF数据表文档文件
EFD 25/13/9  
Core  
B66421  
E core with flattened, lower center leg  
for especially flat transformer design  
For DC/DC converters  
EFD cores are supplied as single units  
Magnetic characteristics (per set)  
1  
Σl/A = 0,98 mm  
l
= 57 mm  
= 58 mm  
= 57 mm  
e
2
2
A
A
V
e
min  
e
3
= 3 310 mm  
Approx. weight 16,6 g/set  
Ungapped  
Material A value  
µ
A
P
V
Ordering code  
L
e
L1min  
nH  
nH  
W/set  
N87  
2000 + 30/20 % 1560 1280 < 1,80  
B66421-G-X187  
(200 mT, 100 kHz, 100 °C)  
Gapped  
Material A value  
µ
g
Ordering code  
L
e
nH  
approx. mm  
N87  
160 10 %  
250 10 %  
315 10 %  
125  
195  
246  
0,55  
0,30  
0,22  
B66421-U160-K187  
B66421-U250-K187  
B66421-U315-K187  
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).  
Calculation factors (for formulas, see E cores: general information, page 382)  
Material  
Relationship between  
air gap A value  
Calculation of saturation current  
L
K1 (25 °C) K2 (25 °C) K3 (25 °C) K4 (25 °C) K3 (100 °C) K4 (100 °C)  
103 0,734 154 0,796 138 0,873  
K1, K2: 0,10 mm < s < 1,40 mm  
K3, K4: 50 nH < A < 410 nH  
N87  
Validity range:  
L
512 08/01  
EFD 25/13/9  
Accessories  
B66422  
Coil former  
Material:  
GFR thermosetting plastic; UL 94 V-0, insulation class to IEC 60085:  
B66422-B: F max.operating temperature 155 °C; color code green  
B66422-W: H max.operating temperature 180 °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 157  
Squared pins  
Yoke  
Material:  
Stainless spring steel (0,4 mm)  
Coil former  
Sections  
Ordering code  
A
mm  
l
A value  
R
µΩ  
Pins  
10  
N
N
2
mm  
1
40,7  
50  
42,3  
B66422-B1010-D1  
B66422-W1010-D1  
Yoke (ordering code per piece, 2 are required)  
B66422-B2000  
Coil former  
Yoke  
25 0,2  
13,1_0,2  
View A  
i
Mounting holes  
6,15  
1
2
3
4
5
10  
6
5
ø 1,3+0,1  
1
10  
9
8
7
6
5
8,3 max.  
Thermosetting plastic  
4 x 5 = 20  
Marking of pin 1  
1  
18 _0,25  
11,7+0,2  
18 _0,2  
16,4 min.  
A
FEK0273-Z  
0,6  
CuSn6, tinned  
FEK0330-M  
513 08/01  
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 Vertriebsge-  
sellschaft 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 bro-  
chure and the information contained therein without EPCOSprior express consent is prohibited.  
The information contained in this brochure describes the type of component and shall not be con-  
sidered 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 ManufacturersAssociation), 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.  
1

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