B66413 EPCOS [EPCOS], B66413 Datasheet - Page 2

• Manufacturer Part Number: B66413
• Description: EFD/EV/DE Cores
• Manufacturer: EPCOS [EPCOS]

I
I
I
Magnetic characteristics (per set)
l
A
A
V
Approx. weight 2,8 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 = 2,27 mm
e
min
e
EFD 15/8/5
Core
E core with flattened, lower center leg
for especially flat transformer design
For DC/DC converters
EFD cores are supplied as single units
= 34 mm
= 15 mm
= 12,2 mm
= 510 mm
L
value in the table applies to a core set comprising one ungapped core (dimension g = 0) and
A
nH
600 + 30/– 20 %
780 + 30/– 20 %
A
nH
100
160
L
L
value
value
2
Relationship between
air gap – A
K1 (25 °C)
29,7
3
–1
2
10 %
15 %
K1, K2: 0,10 mm < s < 1,00 mm
K3, K4: 30 nH < A
L
value
K2 (25 °C)
– 0,676
1080 330
1400 560
180
288
e
e
A
nH
L
L1min
< 280 nH
Calculation of saturation current
K3 (25 °C)
44,2
P
W/set
< 0,11
(50 mT, 500 kHz, 100 °C)
< 0,28
(200 mT, 100 kHz, 100 °C)
V
507
g
approx. mm
0,17
0,08
08/01
K4 (25 °C)
– 0,796
K3 (100 °C) K4 (100 °C)
33,2
Ordering code
B66413-G-X149
B66413-G-X187
Ordering code
B66413-U100-K187
B66413-U160-L187
5,3±0,15
11±0,35
15±0,4
– 0,873
B66413
FEK0417-2