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B66319 Datasheet, PDF (1/4 Pages) EPCOS – E 30/15/7 Core
E 30/15/7
Core
I E cores are supplied as single units
Magnetic characteristics (per set)
Σl/A = 1,12 mm–1
le = 67 mm
Ae = 60 mm2
Amin = 49 mm2
Ve = 4 000 mm3
Approx. weight 22 g/set
B66319
Ungapped
Material
N30
N27
N87
AL value
nH
µe AL1min PV
nH W/set
Ordering code
3100 + 30/– 20 % 2760
B66319-G-X130
1700 + 30/– 20 % 1510 1410 < 0,81
B66319-G-X127
(200 mT, 25 kHz, 100°C)
1900 + 30/– 20 % 1690 1410 < 2,20
B66319-G-X187
(200 mT, 100 kHz, 100°C)
Gapped
Material g
mm
AL value
µe
approx.
nH
N27,
0,10 ± 0,02
460
410
N87
0,18 ± 0,02
300
265
0,34 ± 0,02
195
175
Ordering code
** = 27 (N27)
= 87 (N87)
B66319-G100-X1**
B66319-G180-X1**
B66319-G340-X1**
The AL 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 “E cores: general information”, page 382)
Material
N27
N87
Relationship between
air gap – AL value
K1 (25 °C) K2 (25 °C)
90
– 0,708
90
– 0,708
Calculation of saturation current
K3 (25 °C)
156
154
K4 (25 °C)
– 0,847
– 0,796
K3 (100 °C) K4 (100 °C)
144
– 0,865
140
– 0,873
Validity range:
K1, K2: 0,10 mm < s < 2,00 mm
K3, K4: 560 nH < AL < 60 nH
416 08/01