Withdrawn

SJ/Z 2921-1988Calculating methods for transformers for switched mode power supplies (English PDF)

开关电源变压器计算方法

SJ/Z 2921 | Evolution and historical versions

Std ID	Title	Status
SJ/Z 2921-1988	Calculating methods for transformers for switched mode power supplies	Obsolete

SJ/Z 2921-1988 is obsolete. This page sells the obsolete edition, for projects and contracts that still cite it.

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Level / Type

National · Recommended

Issue date

March 9, 1988

Implementation date

October 1, 1988

Scope

SJ/Z 2921-1988 is the English-translated version of 开关电源变压器计算方法.

SJ/Z 2921-1988 is the Chinese industry standard "Calculating methods for transformers for switched mode power supplies". It was issued on March 9, 1988, and took effect on October 1, 1988. It is obsolete: it has been withdrawn (abolished on January 20, 2010).

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Document preview — SJ/Z 2921-1988

Document data

1 Document data

Sector: Electronics (industry standard).

Date of issue: 1988-03-09.

Date of implementation: 1988-10-01.

Status: obsolete, withdrawn on 2010-01-20.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.

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