04700470| Datasheet

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ER 35/20/11 Core
I Round center leg particularly suitable

B66350

for use of thick winding wires or tapes
I For compact winding design with

low leakage inductance
I ER cores are supplied as single units

Magnetic characteristics (per set)

l/A le Ae A min Ve

= 0,81 mm 1 = 89,6 mm = 111 mm2 = 101 mm2 = 9 930 mm3

Approx. weight 52 g/set

Ungapped Material N27 A L value nH

A L1min P V nH W/set

Ordering code

2500 + 30/ 20 % 1610 1930

< 1,95 B66350-G-X127 (200 mT, 25 kHz, 100 C)

Gapped Material g mm N27 0,50 0,05 1,00 0,05 1,50 0,05 A L value approx. nH 275 170 125

Ordering code

177 109 80

B66350-G500-X127 B66350-G1000-X127 B66350-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 Relationship between air gap A L value K1 (25 C) N27 Validity range: 169 K2 (25 C) 0,706 Calculation of saturation current K3 (25 C) 275 K4 (25 C) 0,847 K3 (100 C) K4 (100 C) 256 0,865

K1, K2: 0,10 mm < s < 2,50 mm K3, K4: 90 nH < A L < 600 nH 470 08/01