E 55/28/21
Core
I
In accordance with IEC 61246
I
E cores are supplied as single units
B66335
Magnetic characteristics
(per set)
危
l/A
l
e
A
e
A
min
V
e
= 0,35 mm
鈥?
= 124 mm
= 354 mm
2
= 351 mm
2
= 43 900 mm
3
Approx. weight
215 g/set
Ungapped
Mate-
A
L
value
nH
rial
N27
N87
碌
e
A
L1min
P
V
nH
W/set
Ordering code
5800 + 30/鈥?20 % 1610 4500
6400 + 30/鈥?20 % 1780 4500
< 8,00 (200 mT, 25 kHz, 100擄C) B66335-G-X127
< 3,80 (100 mT, 100 kHz, 100擄C) B66335-G-X187
Gapped
Mate-
g
rial
mm
N27,
N87
0,50
鹵
0,05
1,00
鹵
0,05
1,50
鹵
0,05
2,00
鹵
0,05
A
L
value
approx.
nH
843
496
364
292
碌
e
Ordering code
** = 27 (N27)
**
= 87 (N87)
B66335-G500-X1**
B66335-G1000-X1**
B66335-G1500-X1**
B66335-G2000-X1**
234
138
101
81
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:
496
496
K2
(25 擄C)
鈥?0,764
鈥?0,764
Calculation of saturation current
K3
(25 擄C)
836
800
K4
(25 擄C)
鈥?0,847
鈥?0,796
K3
(100 擄C)
K4
(100 擄C)
781
765
鈥?0,865
鈥?0,873
K1, K2:
0,15 mm <
s
< 3,50 mm
K3, K4:
180 nH <
A
L
< 1799 nH
430
08/01
1
2
