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E 40/16/12 Core
I Size based on US lam. size E cores
B66381
US designation E 21
I E cores are supplied as single units
Magnetic characteristics (per set)
Σl/A le Ae A min Ve
= 0,52 mm–1 = 77 mm = 149 mm2 = 143 mm2 = 11 500 mm3
Approx. weight 58 g/set
Ungapped Material N27 N72 A L value nH
µe
A L1min P V nH W/set
Ordering code
3800 + 30/– 20 % 1560 3050 4600 + 30/– 20 % 1900 3150
< 2,15 B66381-G-X127 (200 mT, 25 kHz, 100 °C) < 1,12 B66381-G-X172 (200 mT, 25 kHz, 100 °C)
Gapped Material N27 g mm 0,50 ± 0,05 A L value approx. nH 411
µe
166
Ordering code B66381-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).
B66381 Datasheet
