B66358
B66358 is Core manufactured by EPCOS.
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ETD 29/16/10 Core
ETD 29/16/10 through ETD 59/31/22
I In accordance with IEC 61185 I For SMPS transformers with optimum
B66358 weight/performance ratio at small volume
I ETD cores are supplied as single units
Magnetic characteristics (per set)
Σl/A le Ae A min Ve
16 _ 0,4 10,7+0,6
= 0,93 mm- 1 = 70,4 mm = 76 mm2 = 71 mm2 = 5 350 mm3
9,8 _ 0,6
9,8 _ 0,6
22+1,4 30,6 _ 1,6
FEK0044-8
Approx. weight 28 g/set
Ungapped Material N27 N87 N97 1) AL value n H
µe
A L1min P V n H W/set
Ordering code
2000 + 30/- 20 % 1470 1700 2200 + 30/- 20 % 1610 1700 2250 + 30/- 20 % 1670 1700
< 1,04 B66358-G-X127 (200 m T, 25 k Hz, 100 °C) < 2,80 B66358-G-X187 (200 m T, 100 k Hz, 100 °C) < 2,40 B66358-G-X197 (200 m T, 100 k Hz, 100 °C)
Gapped Material g mm N27, N87 0,10 ± 0,02 0,20 ± 0,02 0,50 ± 0,05 1,00 ± 0,05 A L value approx. n H 621 383 201 124
µe
Ordering code
- - = 27 (N27)
- - = 87 (N87) B66358-G100-X1-
- B66358-G200-X1-
- B66358-G500-X1-
- B66358-G1000-X1-
- 457 281 148 91
The A L value in the table applies to a core set prising one ungapped core (dimension g = 0) and one gapped core (dimension g > 0).
1) Preliminary data
477 08/01 g
ETD 29/16/10 Core
Calculation factors (for formulas, see “ E cores: general information”, page 382) Material Relationship between air gap
- A L value K1 (25 °C) N27 N87 Validity range: 124 124 K2 (25 °C)
- 0,7
- 0,7 Calculation of saturation current K3 (25 °C) 195 192 K4 (25 °C)
- 0,847
- 0,796 K3 (100 °C) K4 (100 °C) 181...
