05030503| Datasheet

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EC 70/35/16 Core
I In accordance with IEC 60647 I Compact E core with large winding window I Round center leg particularly suitable

B66343

for use of thick winding wires
I EC cores are supplied as single units

Magnetic characteristics (per set)

l/A le Ae A min Ve

= 0,52 mm 1 = 144 mm = 279 mm2 = 211 mm2 = 40 200 mm3

Approx. weight 252 g/set

Ungapped Material N27 A L value nH

A L1min PV nH W/set

Ordering code

3900 + 30/ 20 % 1600 3050

< 4,80 B66343-G-X127 (200 mT, 25 kHz, 100 C)

Gapped Material N27 g mm 0,50 0,05 1,00 0,05 AL value approx. nH 529 320

ue
217 131

Ordering code B66343-G500-X127 B66343-G1000-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 - AL value K1 (25 C) N27 Validity range: 320 K2 (25 C) 0,725 Calculation of saturation current K3 (25 C) 644 K4 (25 C) 0,847 K3 (100 C) K4 (100 C) 603 0,865

K1, K2: 0,10 mm < s < 3,50 mm K3, K4: 120 nH < A L < 1200 nH

503 08/01