E 32/16/9 (EF 32)
Core
B66229
ꢀ In accordance with IEC 61246
ꢀ E cores are supplied as single units
Magnetic characteristics (per set)
–1
Σl/A = 0,89 mm
l
= 74 mm
= 83 mm
= 81,4 mm
= 6 140 mm
e
2
A
A
V
e
2
min
e
3
Approx. weight 30 g/set
Ungapped
Material
A value
µ
A
P
V
Ordering code
L
e
L1min
nH
nH
W/set
N30
N27
3800 + 30/– 20 % 2690
2100 + 30/– 20 % 1480 1770 < 1,10
(200 mT, 25 kHz, 100 °C)
2300 + 30/– 20 % 1630 1770 < 3,00
(200 mT, 100 kHz, 100 °C)
B66229-G-X130
B66229-G-X127
N87
B66229-G-X187
Gapped
Material
g
A value
approx.
nH
µ
Ordering code
** = 27 (N27)
= 87 (N87)
L
e
mm
N27,
N87
0,50 0,05
1,00 0,05
244
145
172
103
B66229-G500-X1**
B66229-G1000-X1**
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
145
145
– 0,748
– 0,748
212
208
– 0,847
– 0,796
196
191
– 0,865
– 0,873
Validity range:
K1, K2: 0,10 mm < s < 2,50 mm
K3, K4: 70 nH < A < 710 nH
L
419 08/01