B66397G0000X197 EPCOS AG, B66397G0000X197 Datasheet - Page 3

• Manufacturer Part Number: B66397G0000X197
• Description: Ferrites And Accessories Etd 59/31/22 Core And Accessories
• Manufacturer: EPCOS AG

Calculation factors (for formulas, see “E cores: general information”)
Material
N27
N87
Validity range:
Please read Cautions and warnings and
Important notes at the end of this document.
ETD 59/31/22
Core
Relationship between
air gap – A
K1 (25 °C)
508
508
K1, K2: 0.10 mm < s < 3.50 mm
K3, K4: 170 nH < A
L
value
K2 (25 °C)
–0.708
–0.708
L
< 1660 nH
Calculation of saturation current
K3 (25 °C)
853
812
3
09/06
K4 (25 °C)
–0.847
–0.796
K3 (100 °C) K4 (100 °C)
799
783
–0.865
–0.873
B66397