概述
数据手册B66417-U100-K187 概述
EFD 20/10/7 Core EFD 20/10/7核心
B66417-U100-K187 数据手册
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PDF下载EFD 20/10/7
Core
B66417
ꢀ 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 = 1,52 mm
l
= 47 mm
= 31 mm
= 31 mm
e
2
2
A
A
V
e
min
e
3
= 1 460 mm
Approx. weight 7,2 g/set
Ungapped
Material A value
µ
A
P
V
Ordering code
L
e
L1min
nH
nH
W/set
N49
N87
910 + 30/– 20 % 1100 750
1200 + 30/– 20 % 1440 660
< 0,29
B66417-G-X149
B66417-G-X187
(50 mT, 500 kHz, 100 °C)
< 1,05
(200 mT, 100 kHz, 100 °C)
Gapped
Material A value
µ
g
Ordering code
L
e
nH
approx. mm
N87
100 10 %
160 10 %
120
193
0,49
0,25
B66417-U100-K187
B66417-U160-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)
61,1 – 0,699 85,4 – 0,796 75,7 – 0,873
N87
Validity range:
K1, K2: 0,10 mm < s < 1,40 mm
K3, K4: 50 nH < A < 410 nH
L
510 08/01
EFD 20/10/7
Accessories
B66418
Coil former
Material:
GFR thermosetting plastic; UL 94 V-0, insulation class to IEC 60085:
B66418-B: F max. operating temperature 155 °C; color code green
B66418-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 (0,3 mm)
Coil former
Sections
Ordering code
A
mm
l
A value
R
µΩ
Pins
8
N
N
2
mm
1
28,1
40,2
49,2
B66418-B1008-D1
B66418-W1008-D1
Yoke (ordering code per piece, 2 are required)
B66418-B2000
Coil former
Yoke
View A
20 0,2
5,1
10,6 _0,15
Mounting holes
1
2
3
4
5
8
5
ø1,3+0,1
1
4
6,3 max.
8
7
6
5
Duroplast
3 x 5 = 15
Marking of pin 1
14,8 _0,2
13,2 min.
14,8 _0,2
A
9,2+0,1
FEK0274-8
0,45
CuSn6, tinned
FEK0210-2
511 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 EPCOS’ prior 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 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.
1
B66417-U100-K187 相关器件
| 型号 | 制造商 | 描述 | 价格 | 文档 |
| B66417-U160-K187 | EPCOS | EFD 20/10/7 Core | 获取价格 |
|
| B66417G0000X149 | EPCOS | Ferrites and accessories | 获取价格 |
|
| B66417G0000X149 | TDK | E Cores (EFD) | 获取价格 |
|
| B66417G0000X149_13 | EPCOS | Ferrites and accessories | 获取价格 |
|
| B66417G0000X187 | EPCOS | Ferrites and accessories | 获取价格 |
|
| B66417G0000X187 | TDK | E Cores (EFD) | 获取价格 |
|
| B66417G0000X197 | EPCOS | Ferrites and accessories | 获取价格 |
|
| B66417G0000X197 | TDK | E Cores (EFD) | 获取价格 |
|
| B66417G0000X608 | TDK | E Cores (EFD) | 获取价格 |
|
| B66417GX187 | EPCOS | Ferrites and accessories | 获取价格 |
|
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