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BS 4257 PDF
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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 | 12/29/1967 | 18 |
BS 4257 – Specification for the dimensions of E-cores made of ferromagnetic oxides for use in telecommunication and allied electronic equipment
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.
Cross References:
BS 2856
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