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SJ 20810-2002Printed board dimensions and tolerances (English PDF)

印制板尺寸与公差

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Issued by

Ministry of Industry and Information Technology

Level / Type

National · Mandatory

Issue date

January 31, 2002

Implementation date

May 1, 2002

Scope

SJ 20810-2002 is the English-translated version of 印制板尺寸与公差.

SJ 20810-2002 is the Chinese standard "Printed board dimensions and tolerances". This standard specifies the rigid and flexible single-sided, double-sided and multilayer printed circuit board dimensions and tolerances.

This standard specifies dimensions and tolerances marked PCB rules, principles and methods applicable to the master drawing on the finished PCB requirements. Issued on 2002-01-31, in force from 2002-05-01.

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Document preview — SJ 20810-2002

National Standard of the People's Republic of China

Classification: L30

[Preview only]
1 Scope
2 Normative References
2.1 Terms
3 Terms and Definitions
4 Overview
4.1 General requirements
5 Technical Requirements
6 Calibration conditions
6.1 Environmental conditions
6.2 Measurement standards and other equipment
7 Calibration items and calibration methods
7.1 Calibration Items
7.2 Calibration method
8 Expression of calibration results
9 Recalibration interval

1 Foreword

SJ 20810-2002 was issued by Ministry of Industry and Information Technology on 31 January 2002 and has been in force since 1 May 2002.

The SJ prefix, without a suffix, marks a mandatory standard: within its scope, compliance is required.

The document runs to 17 pages in English translation.

2 Scope Preview

This standard specifies the rigid and flexible single-sided, double-sided and multilayer printed circuit board dimensions and tolerances. This standard specifies dimensions and tolerances marked PCB rules, principles and methods applicable to the master drawing on the finished PCB requirements.

SJ 20810-2002 is filed under Chinese Standard Classification L30, in the field of electronic components and information technology.

This catalogue holds 1,191 other SJ standards without an ICS number.

In this catalogue, SJ standards carry edition years from 1965 to 2021.

3 About this standard

Sector: Electronics Industry Standard

Issued by: Ministry of Industry and Information Technology

English translation: about 17 pages (approximate)

Chinese original: about 25,261 characters

4 Related standards

Standards on related subjects:

GB/T 12631-2017 — Test method for resistance of conductors of printed boards

SJ/T 11993-2025 — Testing method for the pad cratering of printed circuit board assembly

5 Classification and status

Chinese Standard Classification (CCS): L 30

Prefix SJ: mandatory standard.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 17 pages — is available in the English PDF.

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