E 70/33/32
Core
I
E cores are supplied as single units
B66371
Magnetic characteristics
(per set)
危
l/A
l
e
A
e
A
min
V
e
= 0,22 mm
鈥?
= 149 mm
= 683 mm
2
= 676 mm
2
= 102 000 mm
3
Approx. weight
514 g/set
Ungapped
Material
N27
N87
A
L
value
nH
碌
e
A
L1min
P
V
nH
W/set
< 19,00
(200 mT, 25 kHz, 100 擄C)
< 9,50
(100 mT, 100 kHz, 100 擄C)
Ordering code
B66371-G-X127
B66371-G-X187
8850 + 30/鈥?20 % 1530 7200
9700 + 30/鈥?20 % 1700 7200
Gapped
Material
N27
g
mm
1,50
鹵
0,05
A
L
value approx.
nH
655
碌
e
113
Ordering code
B66371-G1500-X127
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
(for formulas, see
鈥淓 cores: general information鈥?
page 382)
Material
Relationship between
air gap 鈥?/div>
A
L
value
K1
(25 擄C)
N27
N87
Validity range:
903
903
K2
(25 擄C)
鈥?0,789
鈥?0,789
Calculation of saturation current
K3
(25 擄C)
1568
1485
K4
(25 擄C)
鈥?0,847
鈥?0,796
K3
(100 擄C)
K4
(100 擄C)
1470
1438
鈥?0,865
鈥?0,873
K1, K2:
0,20 mm <
s
< 5,00 mm
K3, K4:
290 nH <
A
L
< 2880 nH
434
08/01
1
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