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B66417 반도체 회로 부품 판매점

Ferrites and accessories



EPCOS 로고
EPCOS
B66417 데이터시트, 핀배열, 회로
www.DataSheet4U.com
Ferrites and accessories
EFD 20/10/7
Core and accessories
Series/Type:
B66417, B66418
Date:
September 2006
Data Sheet
EPCOS AG 2006. Reproduction, publication and dissemination of this data sheet and the
information contained therein without EPCOS’ prior express consent is prohibited.


B66417 데이터시트, 핀배열, 회로
EFD 20/10/7
Core
E core with flattened, lower center leg
for especially flat transformer design
For DC/DC converters
Delivery mode: single units
Magnetic characteristics (per set)
Σl/A = 1.52 mm–1
le = 47 mm
Ae = 31 mm2
Amin = 31 mm2
Ve = 1460 mm3
Approx. weight 7.2 g/set
www.DataSheet4U.com
B66417
Ungapped
Material
N49
N87
N97
AL value
nH
910 +30/–20%
1200 +30/–20%
1250 +30/–20%
µe
1100
1440
1510
PV
W/set
Ordering code
< 0.29 ( 50 mT, 500 kHz, 100 °C) B66417G0000X149
< 1.05 (200 mT, 100 kHz, 100 °C) B66417G0000X187
< 0.80 (200 mT, 100 kHz, 100 °C) B66417G0000X197
Gapped
Material
N87
AL value
nH
100 ±10%
160 ±10%
µe
120
193
g
approx. mm
0.49
0.25
Ordering code
B66417U0100K187
B66417U0160K187
The AL value in the table applies to a core set comprising one ungapped core (dimension g = 0) and
one gapped core (dimension g > 0).
Calculation factors (for formulas, see “E cores: general information”)
Material
N87
Relationship between
air gap – AL value
K1 (25 °C) K2 (25 °C)
61.1 –0.699
Calculation of saturation current
K3 (25 °C) K4 (25 °C) K3 (100 °C) K4 (100 °C)
85.4
– 0.796
75.7
– 0.873
Validity range:
K1, K2: 0.10 mm < s < 1.40 mm
K3, K4: 50 nH < AL < 410 nH
Please read Cautions and warnings and
Important notes at the end of this document.
2 09/06




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