NBN EN 61332 : 2007

1 Scope
2 Normative references
3 Classification
    3.1 Material classification
    3.2 Main classes
    3.3 Subclasses
4 Soft ferrite material classes
    4.1 Materials used mainly in open magnetic
          circuits, OP class
    4.2 Materials used mainly in closed magnetic
          circuits at low flux density application(s)
          (B less than or equal to 5 mT) CL class
    4.3 Materials used mainly in closed magnetic circuits
          at high flux density application(s), PW class
Annex ZA (normative) Normative references to international
publications with their corresponding European publications