04750475| Datasheet

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ER 54/18/18 Core
I Round center leg particularly suitable

B66357

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

= 0,35 mm 1 = 90 mm = 256 mm2 = 252 mm2 = 23 000 mm3

Approx. weight 119 g/set

Ungapped Material N27 N87 A L value nH

ue

A L1min P V nH W/set

Ordering code

5600 + 30/ 20 % 1560 4480 5800 + 30/ 20 % 1620 4480

< 4,40 B66357-G-X127 (200 mT, 25 kHz, 100 C) < 12,50 B66357-G-X187 (200 mT, 100 kHz, 100 C)

Gapped Material N27 g mm 0,50 0,05 A L value approx. nH 620

ue
173

Ordering code B66357-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 Relationship between air gap A L value K1 (25 C) N27 N87 Validity range: 360 360 K2 (25 C) 0,786 0,786 Calculation of saturation current K3 (25 C) 635 616 K4 (25 C) 0,847 0,796 K3 (100 C) K4 (100 C) 590 574 0,865 0,873

K1, K2: 0,15 mm < s < 3,50 mm K3, K4: 180 nH < A L < 1800 nH 475 08/01

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04750475 DATASHEET