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>BSI Standards >33 TELECOMMUNICATIONS. AUDIO AND VIDEO ENGINEERING>33.120 Components and accessories for telecommunications equipment>33.120.01 Components and accessories in general>BS 4257:1967 Specification for the dimensions of E-cores made of ferromagnetic oxides for use in telecommunication and allied electronic equipment.
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immediate downloadReleased: 1967-12-29
BS 4257:1967 Specification for the dimensions of E-cores made of ferromagnetic oxides for use in telecommunication and allied electronic equipment.

BS 4257:1967

Specification for the dimensions of E-cores made of ferromagnetic oxides for use in telecommunication and allied electronic equipment.

CURRENCY
180 EUR
Standard number:BS 4257:1967
Pages:18
Released:1967-12-29
ISBN:0 580 34943 8
Status:Standard
DESCRIPTION

BS 4257:1967


This standard BS 4257:1967 Specification for the dimensions of E-cores made of ferromagnetic oxides for use in telecommunication and allied electronic equipment. is classified in these ICS categories:
  • 33.120.01 Components and accessories in general

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.
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