BS 4257:1967
$102.76
Specification for the dimensions of E-cores made of ferromagnetic oxides for use in telecommunication and allied electronic equipment.
Published By | Publication Date | Number of Pages |
BSI | 1967 | 18 |
Dimensions of E-cores and I-cores made of ferromagnetic oxides (ferrites). The geometric tolerances of the E-cores are specified by form gauges. An appendix describes the calculation of the effective parameters.