EN 60133:2001

1 Scope
2 Normative reference
3 Primary standards
   3.1 Dimensions of pot-cores
        3.1.1 Principal dimensions
        3.1.2 Grooves
        3.1.3 Effective parameter values
   3.2 Main dimensions for coil formers
Annex A (informative) Pot-core design
Annex B (informative) Derived standards
Annex C (informative) Example of a standard for gauges
        to check the dimensions of pot-cores meeting the
        IEC primary standard
Annex ZA (normative) Normative references to
        international publications with their
        corresponding European publications
Figure 1 - Principal dimensions of pot-cores without
           slots
Figure 2 - Principal dimensions of pot-cores with slots
Figure 3 - Main dimensions for coil formers
Figure C.1 - Dimensions of gauge A
Figure C.2 - Dimensions of gauges B and C
Table 1 - Principal dimensions of pot-cores
Table 2 - Limits for C and G
Table 3 - Minimum groove depth
Table 4 - Effective parameter values pot-cores with a
          centre hole
Table 5 - Effective parameter values pot-cores without
          a centre hole
Table 6 - Main dimensions for coil formers
Table A.1 - Ratio of diameter to height
Table C.1 - Dimensions of gauge A
Table C.2 - Dimensions of gauges B and C

Specifies the dimensions that are of importance for mechanical interchangeability for a preferred range of pot-cores made of magnetic oxides, and the dimensional limits for coil formers to be used with them.