GB/T 12798-2012 English PDF

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GB/T 12798-2012: Axial lead cores made of magnetic oxides or iron powder
Status: Valid

GB/T 12798: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 12798-2012	229	Add to Cart	3 days	Axial lead cores made of magnetic oxides or iron powder	Valid
GB/T 12798-1991	359	Add to Cart	3 days	Axial lead cores made of magnetic oxides or iron powder	Obsolete

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Basic data

Standard ID: GB/T 12798-2012 (GB/T12798-2012)
Description (Translated English): Axial lead cores made of magnetic oxides or iron powder
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: L19
Classification of International Standard: 29.100.10
Word Count Estimation: 10,171
Older Standard (superseded by this standard): GB/T 12798-1991
Quoted Standard: GB/T 2423.28-2005; GB/T 5076-1985; GB/T 9634.1-2002; IEC 60068-2-21-1992
Regulation (derived from): National Standards Bulletin No. 28 of 2012
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the magnetic oxides or iron core made ??of the size of axial lead, mechanical characteristics and methods of measurement and related tests. This standard specifies the axial lead core is mainly used for communications and other ele

GB/T 12798-2012: Axial lead cores made of magnetic oxides or iron powder

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS29.100.10 L19 National Standards of People's Republic of China Replacing GB/T 12798-1991 Axial lead cores made of magnetic oxides or iron powder Issued on. 2013-02-15 2012-11-05 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

Rules of the criteria based on GB/T 1.1-2009 given draft. This standard replaces GB/T 12798-1991 "made of magnetic oxides or iron Axial lead cores." This standard compared with GB/T 12798-1991, the main changes are as follows. --- About the size of the core, such as. the diameter, the length of the core, the core diameter and length combinations were perfect; --- Wire Diameter specifications have been adjusted; --- Different core flexural strength requirements were added. The standard proposed by the Ministry of Industry and Information Technology of the People's Republic of China. This standard by the national magnetic components and ferrite materials Standardization Technical Committee (SAC/TC89) centralized. This standard was drafted. Composite Materials Co., Ltd. Zhejiang Chunhui. The main drafters of this standard. Luming Yue, Han Guohua, Chen Junqing, Xu Zhongda. This standard replaces the previous standard release case --- GB/T 12798-1991. Axial lead cores made of magnetic oxides or iron powder

1 Scope

This standard specifies the magnetic iron oxide or axial lead cores made of the size, mechanical properties and related test and measurement methods. This standard specifies Axial lead cores used primarily for communication and other electronic devices in small wire-wound inductor.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated edition applies to this article Member. For undated references, the latest edition (including any amendments) applies to this document. GB/T 2423.28-2005 Electronic and Electrical Products Environmental Testing Part 2. Test methods - Test T. Soldering (IEC 60068- 2-20. 1979, IDT) GB/T 5076-1985 cylindrical component having two axial terminations end of sizing (eqvIEC 60294. 1969) GB/T 9634.1-2002 ferrite core surface defect limit guidelines Part 1. General (IEC 60424-1.1999, IDT) IEC 60068-2-21.1992 Environmental testing for electric and electronic products Part 2. Test methods - Test U. Robustness of terminations and integral security Loading intensity

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 Axial Leaded core axialleadcore Both ends of the leads extending along the axis of symmetry of the cylinder core was a straight line. Note. Axial Leaded core structure are listed in Appendix A.

4 Dimensions

4.1 core shape Axial Leaded core dimensions shown in Figure 1. 4.2 core diameter (D) Preferred core diameter. 1.2, 1.6, 2.0, 3.0, 3.5, 3.8, 4.0, 5.0, 6.0, 6.3, 7.0, 7.5, 8.0, 10.0 units of milli M (mm). Core diameter (D) of tolerance should be one of the following two. --- Crude Tolerance. diameter (D) of ± 3% (maximum of ± 0.15mm). --- Standard Tolerance. ± 0.05mm. The manufacturer shall specify which employ more than tolerance. 4.3 core length (Ll) Preferably the length of the core is. 4.0, 5.0, 7.0, 8.0, 10.0, 12.5, 13.0, 15.0, 16.0, 18.0, 20.0, 23.0, 25.0, 30.0, ......

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