B66325 Datasheet, PDF (1/2 Pages) EPCOS – E 42/21/15 Core

E 42/21/15
Core
B66325
I In accordance with IEC 61246
I E cores are supplied as single units
Magnetic characteristics (per set)
Σl/A = 0,54 mm^–1
l_e = 97 mm
A_e = 178 mm²
A_min = 175 mm²
V_e = 17 300 mm³
Approx. weight 88 g/set
Ungapped
Material
N27
N87
A_L value
nH
µ_e A_L1min P_V
nH W/set
Ordering code
3500 + 30/– 20 % 1510 2900 < 3,30
B66325-G-X127
(200 mT, 25 kHz, 100°C)
3950 + 30/– 20 % 1690 2900 < 9,00
B66325-G-X187
(200 mT, 100 kHz, 100°C)
Gapped
Material g
mm
A_L value
µ_e
approx. nH
N27
0,10 ± 0,02
1497
647
0,25 ± 0,02
759
328
0,50 ± 0,05
454
196
0,64 ± 0,05
378
164
1,00 ± 0,05
272
118
1,50 ± 0,05
201
87
Ordering code
B66325-G100-X127
B66325-G250-X127
B66325-G500-X127
B66325-G640-X127
B66325-G1000-X127
B66325-G1500-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 “E cores: general information”, page 382)
Material
N27
N87
Relationship between
air gap – A_L value
K1 (25 °C) K2 (25 °C)
272
– 0,741
272
– 0,741
Calculation of saturation current
K3 (25 °C)
436
423
K4 (25 °C)
– 0,847
– 0,796
K3 (100 °C) K4 (100 °C)
406
– 0,865
396
– 0,873
Validity range:
K1, K2: 0,10 mm < s < 2,50 mm
K3, K4: 1210 nH < A_L < 130 nH
426 08/01