E 65/32/27
Core
B66387
ꢀ E cores are supplied as single units
Magnetic characteristics (per set)
–1
Σl/A = 0,27 mm
l
= 147 mm
= 535 mm
= 529 mm
e
2
2
A
A
V
e
min
e
3
= 78 600 mm
Approx. weight 394 g/set
Ungapped
Mate- A value
µ
A
P
V
Ordering code
L
e
L1min
rial
nH
7200 + 30/– 20 % 1570 5730 < 14,60 (200 mT, 25 kHz, 100 °C) B66387-G-X127
7900 + 30/– 20 % 1700 5730 6,70 (100 mT, 100 kHz, 100 °C) B66387-G-X187
nH
W/set
N27
N87
<
Gapped
Mate-
rial
g
A value
approx.
nH
µ
Ordering code
** = 27 (N27)
** = 87 (N87)
L
e
mm
N27, 0,50 0,05
1214
716
526
265
156
115
B66387-G500-X1**
B66387-G1000-X1**
B66387-G1500-X1**
N87
1,00 0,05
1,50 0,05
The A value in the table applies to a core set comprising one ungapped core (dimension g = 0) and
L
one gapped core (dimension g > 0).
Calculation factors (for formulas, see “E cores: general information”, page 382)
Material
Relationship between
air gap – A value
Calculation of saturation current
L
K1 (25 °C) K2 (25 °C) K3 (25 °C) K4 (25 °C) K3 (100 °C) K4 (100 °C)
N27
N87
716
716
– 0,762
– 0,762
1231
1168
– 0,847
– 0,796
1154
1131
– 0,865
– 0,873
Validity range:
K1, K2: 0,20 mm < s < 5,00 mm
K3, K4: 230 nH < A < 2290 nH
L
433 08/01