B66314 Datasheet, PDF (1/2 Pages) EPCOS – E 21/9/5 Core

E 21/9/5
Core
I E cores are supplied as single units
Magnetic characteristics (per set)
Σl/A = 2,01 mm^–1
l_e = 43,4 mm
A_e = 21,6 mm²
A_min = 20,2 mm²
V_e = 937 mm³
Approx. weight 4,8 g/set
B66314
Ungapped
Material
N30
N27
A_L value
nH
µ_e A_L1min P_V
nH W/set
Ordering code
1500 + 30/– 20 % 2390
B66314-G-X130
900 + 30/– 20 % 1440 630 < 0,18
B66314-G-X127
(200 mT, 25 kHz, 100 °C)
Calculation factors (for formulas, see “E cores: general information”, page 382)
Material
N27
Relationship between
air gap – A_L value
K1 (25 °C) K2 (25 °C)
47,4
– 0,682
Calculation of saturation current
K3 (25 °C) K4 (25 °C) K3 (100 °C) K4 (100 °C)
59,9
– 0,847
54,9
– 0,865
Validity range:
K1, K2: 0,05 mm < s < 1,50 mm
K3, K4: 30 nH < A_L < 310 nH
409 08/01