E 25/13/7 (EF 25)
Core
B66317
q
In accordance with IEC 61246
q
E cores are supplied as single units
Magnetic characteristics
(per set)
危
l/A
l
e
A
e
A
min
V
e
= 1,1 mm
鈥?
= 57,5 mm
= 52,5 mm
2
= 51,5 mm
2
= 3 020 mm
3
Approx. weight
16 g/set
Ungapped
Material
A
L
value
碌
e
A
L1min
P
V
W/set
Ordering code
N30
N27
N67
nH
nH
2900 + 30/鈥?20 % 2530
1750 + 30/鈥?20 % 1520 1440
1800 + 30/鈥?20 % 1570 1440
B66317-G-X130
0,59
B66317-G-X127
(200 mT, 25 kHz, 100 藲C)
2,00
B66317-G-X167
(200 mT, 100 kHz, 100 藲C)
Gapped
Material
g
mm
0,10
鹵
0,02
0,16
鹵
0,02
0,25
鹵
0,02
0,50
鹵
0,05
1,00
鹵
0,05
N27,
N67
A
L
value
approx.
nH
489
347
250
151
91
碌
e
425
302
218
131
79
Ordering code
** = 27 (N27)
= 67 (N67)
B66317-G100-X1**
B66317-G160-X1**
B66317-G250-X1**
B66317-G500-X1**
B66317-G1000-X1**
The
A
L
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
(see page
423
for formulas)
Material
Relationship between
air gap 鈥?/div>
A
L
value
K1
(25 藲C)
K2
(25 藲C)
90
90
鈥?0,731
鈥?0,731
Calculation of saturation current
N27
N67
Validity range:
K3
(25 藲C)
139
135
K4
(25 藲C)
鈥?0,847
鈥?0,820
K3
(100 藲C)
K4
(100 藲C)
129
鈥?0,865
129
鈥?0,881
K1, K2:
0,10 mm <
s
< 2,00 mm
K3, K4:
60 nH <
A
L
< 570 nH
Siemens Matsushita Components
450
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