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GB/T 46822.1-2025: Fixed electric double-layer capacitors for use in electric and electronic equipment - Part 1: Generic specification
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GB/T 46822.1-2025: Fixed electric double-layer capacitors for use in electric and electronic equipment - Part 1: Generic specification

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ICS 31.060.10 CCSL11 National Standards of the People's Republic of China Fixed double-layer capacitors for electrical and electronic equipment Part 1.General Specifications Part 1.Generic Specification Published on 2025-12-31 Implemented on July 1, 2026 State Administration for Market Regulation The State Administration for Standardization issued a statement.

Table of contents

Preface V Introduction VI 1.Scope 1 2 Normative References 1 3.Terms and Definitions 2 4 General Requirements 6 4.1 Symbols and Units 6 4.2 Priority Values and Categories 7 4.3 Mark 7 5 General provisions for testing and measurement procedures 7 5.1 General Rules 7 5.2 Test and Measurement Requirements 7 5.3 Drying 8 5.4 Storage 8 6 Electrical testing and measurement 9 6.1 Capacitance and Internal Resistance Measurement Method 1 (Constant Current Discharge Method) 9 6.2 Methods for measuring capacitance and internal resistance 2 13 6.3 Leakage current 15 6.4 Maintain voltage 17 7 Mechanical testing and measurement 18 7.1 Appearance and Dimension Inspection 18 7.2 Lead-out strength 18 7.3 Vibration 19 8.Environmental and Climate Experiments 19 8.1 Rapid temperature changes 19 8.2 Constant humidity and heat 20 8.3 Durability 20 8.4 High and low temperature characteristics 21 9.Tests related to component assembly 21 9.1 Resistance to welding heat 21 9.2 Solderability 22 9.3 Component solvent resistance 23 9.4 Marking solvent resistance 23 10 Safety-related tests 23 10.1 Flame retardancy 23 10.2 Pressure Relief (if applicable) 24 11 Quality Assessment Procedure 24 Appendix A (Normative) Classification by Capacitance and Internal Resistance 25 A.1 Overview 25 A.2 Classification by capacitance and internal resistance 25 Appendix B (Informative) Method for Measuring Capacitance and Resistance Using Low-Frequency AC Method (Reference) 27 B.1 Overview 27 B.2 Measurement System 27 B.3 Capacity Calculation 27 B.4 Measurement Conditions 27 Appendix C (Informative) Thermal Equilibrium Time of Capacitors 28 C.1 Overview 28 C.2 Thermal equilibrium time of the capacitor 28 Appendix D (Informative) Charge/Discharge Efficiency and Measurement Current 30 D.1 Overview 30 D.2 Charging efficiency, discharging efficiency, and current 30 Appendix E (Informative) Procedure for Setting Up Current Measurement for Capacitors with Uncertain Nominal Internal Resistance 33 E.1 Overview 33 E.2 Current setting procedure for capacitor measurement 33 E.3 Example 33.Determining the set current for capacitor characteristics Appendix F (Informative) Measurement Uncertainty and Interpolation Limits Policy 34 F.1 Objective 34 F.2 Calculation of Measurement Uncertainty 34 F.3 Policy 34 F.4 Calculation of Insertion and Exceeding Limits 34 F.5 Example 34 Appendix Q (Normative) Quality Assessment Procedure 36 Q.1 General Provisions 36 Q.2 Initial Stage of Manufacturing 37 Q.3 Subcontracting 37 Q.4 Components with similar structures 37 Q.5 Approval Procedure 37 Q.6 Capability Approval Procedure 38 Q.7 Rework and Repair 42 Q.8 Delivery and Release 42 Q.9 Release Patch Acceptance Test Record 42 Q.10 Delayed delivery 42 Q.11 Alternative test methods 43 Q.12 IEC QCBs Manufacturing outside the geographic scope 43 Q.13 Unchecked parameter 43 Q.14 Technology Approval Procedure 43 References 45

Foreword

This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents". Drafting. This document is Part 1 of GB/T 46822 "Fixed Double-Layer Capacitors for Electrical and Electronic Equipment". GB/T 46822 has been issued. The following parts were laid out. ---Part 1.General Specifications; ---Part 2.Standard Power Double-Layer Capacitors. This document is equivalent to IEC 62391-1.2022 "Fixed double-layer capacitors for electrical and electronic equipment - Part 1.General specification". Please note that some content in this document may involve patents. The issuing organization of this document assumes no responsibility for identifying patents. This document was proposed by the Ministry of Industry and Information Technology of the People's Republic of China. This document is under the jurisdiction of the National Technical Committee on Standardization of Resistor and Capacitor Components for Electronic Equipment (SAC/TC165). This document was drafted by. Nantong Jianghai Capacitor Co., Ltd., China Electronics Technology Standardization Institute, and the Ministry of Industry and Information Technology. The Fifth Research Institute of the Institute, Shenzhen Jianghao Electronics Co., Ltd., Xiamen Fengliyang Technology Co., Ltd., Xiamen Farad Electronics Co., Ltd., etc. The main drafters of this document are. Yao Jianjun, Ding Jihua, Wang Hanming, Ding Jiajia, Liu Xuekong, Shui Chunsheng, Wang Yongxiang, Li Zhenyi, and Huang Shunda.

Introduction

Electric double-layer capacitors are currently widely used in related electrical and electronic equipment, and their market and application areas are booming. Rapid growth is underway. The series of documents aims to provide unified testing standards for the research, development, and production of double-layer capacitors, and for their inspection. Ensuring product quality and reliability plays a fundamental and supporting role in the cultivation of emerging industries, and promotes the domestic double-layer capacitor industry and market. Rapid and healthy development. The IEC 62391 series of documents for fixed double-layer capacitors for electrical and electronic equipment are written in different parts to maintain... In accordance with the IEC standard writing method, different parts need to be written separately during the compilation process. GB/T 46822 "Fixed Double-Layer Capacitors for Electrical and Electronic Equipment" consists of a general specification, sub-specifications, blank detailed specifications, and detailed specifications. The hierarchical system is currently proposed to consist of the following documents. ---Part 1.General Specifications. The purpose is to determine the majority of common specifications for fixed double-layer capacitors used in electrical and electronic equipment. All items, terminology, inspection procedures, and test methods. ---Part 2.Sub-specifications for Power Double-Layer Capacitors. Sub-specifications are lower-level specifications than the overall specifications, and their purpose is to determine the requirements for individual... The specific conditions or parameter characteristics of fixed double-layer capacitors specified in this item, for particular categories or models, are selected from the general specification. The quality assessment procedures, testing and measurement methods, and supplementary details, as well as general performance requirements, are provided. These items are typically dimensions. Priority values for properties, additional test methods and relevant provisions for test methods given in the general specification, sampling and specimen preparation requirements. The requirements and recommendations for test severity levels and priority acceptance criteria are specified. The sub-specification also defines the test summary tables used in the detailed specifications. Structure and scope. ---Part 2-1.Blank Detailed Specification for the Evaluation Level (EZ) of Power Double-Layer Capacitors. The purpose is to determine the required individual specifications. Detailed specifications, formatting, and minimum content requirements for specific categories or models of fixed double-layer capacitors, providing a basis for regulations. The drafter provides a guideline for creating detailed specifications that conform to the requirements of the general specification or sub-specification, ensuring consistency in the detailed specifications. Regulation. ---Detailed Specifications. The purpose is to determine all the information needed to define a given model and range of fixed electric double-layer capacitors, including... Requirements for all specifications, dimensions, and characteristic values are also provided, along with guidelines for fixing the double-layer capacitor coverage within a suitable quality assessment system. All information required for quality assessment of the number and scope, including the test severity level and acceptance criteria requirements for all applications, and A complete list of tests. Detailed specifications include those within the national standards system, as well as those related to it. Industry standards, or standards developed by manufacturers or users. Fixed double-layer capacitors for electrical and electronic equipment Part 1.General Specifications

1 Scope

This document specifies the standard terminology and testing methods used in the sub-specifications and detailed specifications for electronic components for quality assessment or any other purpose. The experimental procedure describes the corresponding experimental methods. This document applies to fixed double-layer capacitors (hereinafter referred to as "capacitors") in DC circuits of electrical and electronic equipment.

2 Normative references

The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included. For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies. This document. GB/T 2421-2020 Overview and Guidelines for Environmental Testing (IEC 60068-1.2013, IDT) GB/T 2423.2-2008 Environmental testing of electrical and electronic products – Part 2.Test methods – Test B. High temperature (IEC 60068-2-2. 2007, IDT) GB/T 2423.30-2013 Environmental Testing - Part 2.Test Methods - Test XA and Guidelines. Immersion in Cleaning Agents (IEC 60068-2-45.1980 A1.1993,IDT) Note. GB/T 2691-2016 Marking codes for resistors and capacitors (IEC 60062.2004, IDT) Note. GB/T 2471-2024 Preferred number system for resistors and capacitors (IEC 60063.2015, IDT) 1.Tests-TestsA.Cold) Note. GB/T 2423.1-2008 Environmental testing for electrical and electronic products – Part 2.Test methods – Test A. Low temperature (IEC 60068-2-1.2007, IDT) IEC 60068-2-6 Environmental testing – Part 2-6.Test methods – Test Fc. Vibration (sinusoidal) Note. GB/T 2423.10-2019 Environmental testing - Part 2.Test methods - Test Fc. Vibration (sine) (IEC 60068-2-6.2007, IDT) Part 2-14.Tests-TestN.Changeoftemperature) Note. GB/T 2423.22-2012 Environmental testing - Part 2.Test methods - Test N. Temperature variation (IEC 60068-2-14.2009, IDT) IEC 60068-2-20 Environmental testing - Part 2-20.Tests for Ta and Tb. Solderability and solderability of leaded components Note. GB/T 2423.28-2005 Environmental testing of electrical and electronic products – Part 2.Test methods – Test T. Soldering (IEC 60068-2-20.1979, IDT) IEC 60068-2-21 Environmental testing – Part 2-21.Test methods – Test U. Strength of leads and integral mounting components (Environmental- Note. GB/T 2423.60-2008 Environmental testing of electrical and electronic products – Part 2.Test methods – Test U. Strength of leads and integral mounting components (IEC 60068-2-21.2006, IDT) IEC 60068-2-58 Environmental testing - Part 2-58.Tests Td. Solderability and metallization of surface mount components (SMD) ...