B66418W1008D001 EPCOS Inc, B66418W1008D001 Datasheet

BOBBIN, EFD20, 8PIN

B66418W1008D001

Manufacturer Part Number
B66418W1008D001
Description
BOBBIN, EFD20, 8PIN
Manufacturer
EPCOS Inc
Series
EFD20r
Datasheet
1.B66418W1008D001.pdf (3 pages)

Specifications of B66418W1008D001

Svhc
No SVHC (18-Jun-2010)
Accessory Type
Coil Former
External Diameter
20.3mm
External Length / Height
10.4mm
External Width
20mm
Flammability Rating
UL94V-0
For Use With
EFD20
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
I
I
I
Magnetic characteristics (per set)
l
A
A
V
Approx. weight 7,2 g/set
Ungapped
Material
N49
N87
Gapped
Material
N87
The A
one gapped core (dimension g > 0).
Calculation factors (for formulas, see “E cores: general information”, page 382)
Material
N87
Validity range:
e
l/A = 1,52 mm
e
min
e
EFD 20/10/7
Core
E core with flattened, lower center leg
for especially flat transformer design
For DC/DC converters
EFD cores are supplied as single units
= 47 mm
= 31 mm
= 31 mm
= 1 460 mm
L
value in the table applies to a core set comprising one ungapped core (dimension g = 0) and
A
nH
1200 + 30/– 20 % 1440 660
A
nH
100
160
910 + 30/– 20 % 1100 750
L
L
value
value
2
2
Relationship between
air gap – A
K1 (25 °C)
61,1
–1
10 %
10 %
3
K1, K2: 0,10 mm < s < 1,40 mm
K3, K4: 50 nH < A
L
value
K2 (25 °C)
– 0,699
120
193
e
e
A
nH
L
L1min
< 410 nH
Calculation of saturation current
K3 (25 °C)
85,4
P
W/set
< 0,29
(50 mT, 500 kHz, 100 °C)
< 1,05
(200 mT, 100 kHz, 100 °C)
V
510
g
approx. mm
0,49
0,25
08/01
K4 (25 °C)
– 0,796
K3 (100 °C) K4 (100 °C)
75,7
Ordering code
B66417-G-X149
B66417-G-X187
Ordering code
B66417-U100-K187
B66417-U160-K187
– 0,873
B66417

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B66418W1008D001 Summary of contents

Page 1

EFD 20/10/7 Core I E core with flattened, lower center leg for especially flat transformer design I For DC/DC converters I EFD cores are supplied as single units Magnetic characteristics (per set) –1 l ...

Page 2

... EFD 20/10/7 Accessories Coil former Material: GFR thermosetting plastic 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 ° Resistance to soldering heat: to IEC 60068-2-20, test Tb, method 1B: 350 °C, 3,5 s Winding: see “ ...

Page 3

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 ...

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