E 80/38/20
Core
I
E cores are supplied as single units
B66375
Magnetic characteristics
(per set)
危
l/A
l
e
A
e
A
min
V
e
= 0,47 mm
鈥?
= 184 mm
= 390 mm
2
= 388 mm
2
= 71 800 mm
3
Approx. weight
358 g/set
Ungapped
Material
N27
N87
A
L
value
nH
碌
e
A
L1min
P
V
nH
W/set
< 13,30
(200 mT, 25 kHz, 100 擄C)
< 6,50
(100 mT, 100 kHz, 100 擄C)
Ordering code
B66375-G-X127
B66375-G-X187
4150 + 30/鈥?20 % 1550 3340
4500 + 30/鈥?20 % 1680 3340
Gapped
Material
N27
g
mm
0,50
鹵
0,05
A
L
value approx.
nH
882
碌
e
329
Ordering code
B66375-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:
539
539
K2
(25 擄C)
鈥?0,710
鈥?0,710
Calculation of saturation current
K3
(25 擄C)
867
8,4
K4
(25 擄C)
鈥?0,847
鈥?0,796
K3
(100 擄C)
K4
(100 擄C)
816
806
鈥?0,865
鈥?0,873
K1, K2:
0,20 mm <
s
< 5,00 mm
K3, K4:
140 nH <
A
L
< 1330 nH
435
08/01
1
2
