3

09/06

Please read Cautions and warnings and

Important notes at the end of this document.

Calculation factors (for formulas, see “E cores: general information”)

Validity range:

K1, K2: 0.05 mm < s < 1.50 mm

Material

Relationship between

Calculation of saturation current

K1 (25 °C)

K2 (25 °C)

K3 (25 °C)

K4 (25 °C)

K3 (100 °C)

K4 (100 °C)

N27

42.2

–0.701

57.0

–0.847

52.1

–0.865

N87

42.2

–0.701

57.8

–0.796

50.4

–0.873

B66307

Core

E 16/8/5 (EF 16)