ER 54/18/18
Core
I
Round center leg particularly suitable
B66357
for use of thick winding wires or tapes
I
For compact winding design with
low leakage inductance
I
ER cores are supplied as single units
Magnetic characteristics
(per set)
危
l/A
l
e
A
e
A
min
V
e
= 0,35 mm
鈥?
= 90 mm
= 256 mm
2
= 252 mm
2
= 23 000 mm
3
Approx. weight
119 g/set
Ungapped
Material
N27
N87
A
L
value
nH
碌
e
A
L1min
P
V
nH
W/set
Ordering code
5600 + 30/鈥?20 % 1560 4480
5800 + 30/鈥?20 % 1620 4480
< 4,40
B66357-G-X127
(200 mT, 25 kHz, 100 擄C)
< 12,50
B66357-G-X187
(200 mT, 100 kHz, 100 擄C)
Gapped
Material
N27
g
mm
0,50
鹵
0,05
A
L
value approx.
nH
620
碌
e
173
Ordering code
B66357-G500-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:
360
360
K2
(25 擄C)
鈥?0,786
鈥?0,786
Calculation of saturation current
K3
(25 擄C)
635
616
K4
(25 擄C)
鈥?0,847
鈥?0,796
K3
(100 擄C)
K4
(100 擄C)
590
574
鈥?0,865
鈥?0,873
K1, K2:
0,15 mm <
s
< 3,50 mm
K3, K4:
180 nH <
A
L
< 1800 nH
475
08/01
1
2
