B66375 Datasheet, PDF (1/2 Pages) EPCOS – E 80/38/20 Core

E 80/38/20
Core
I E cores are supplied as single units
Magnetic characteristics (per set)
Σl/A = 0,47 mm^–1
l_e = 184 mm
A_e = 390 mm²
A_min = 388 mm²
V_e = 71 800 mm³
Approx. weight 358 g/set
B66375
Ungapped
Material
N27
N87
A_L value
nH
µ_e
A_L1min P_V
nH W/set
4150 + 30/– 20 % 1550 3340 < 13,30
(200 mT, 25 kHz, 100 °C)
4500 + 30/– 20 % 1680 3340 < 6,50
(100 mT, 100 kHz, 100 °C)
Ordering code
B66375-G-X127
B66375-G-X187
Gapped
Material
N27
g
mm
0,50 ± 0,05
A_L value approx.
µ_e
nH
882
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 “E cores: general information”, page 382)
Material
N27
N87
Relationship between
air gap – A_L value
K1 (25 °C) K2 (25 °C)
539
– 0,710
539
– 0,710
Calculation of saturation current
K3 (25 °C)
867
8,4
K4 (25 °C)
– 0,847
– 0,796
K3 (100 °C) K4 (100 °C)
816
– 0,865
806
– 0,873
Validity range:
K1, K2: 0,20 mm < s < 5,00 mm
K3, K4: 140 nH < A_L < 1330 nH
435 08/01