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

电气和电子设备用固定双电层电容器 第1部分:总规范

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Issued by

State Administration for Market Regulation

Level / Type

National · Recommended

Issue date

December 31, 2025

Implementation date

July 1, 2026

Scope

GB/T 46822.1-2025 is the English-translated version of 电气和电子设备用固定双电层电容器 第1部分:总规范.

GB/T 46822.1-2025 — 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.

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Document preview — GB/T 46822.1-2025

National Standard of the People's Republic of China

ICS
31.060.10
Classification
L 11

Issued by: State Administration for Market Regulation

Contents

  • Preface
  • Introduction
  • 1 Scope
  • 2 Normative References
  • 3 Terms and Definitions
  • 4 General Requirements
  • 4.1 Symbols and Units
  • 4.2 Priority Values and Categories
  • 4.3 Mark
  • 5 General provisions for testing and measurement procedures
  • 5.1 General Rules
  • 5.2 Test and Measurement Requirements
  • 5.3 Drying
  • 5.4 Storage
  • 6 Electrical testing and measurement
  • 6.1 Capacitance and Internal Resistance Measurement Method 1 (Constant Current Discharge Method)
  • 6.2 Methods for measuring capacitance and internal resistance 2
  • 6.3 Leakage current
  • 6.4 Maintain voltage
  • 7 Mechanical testing and measurement
  • 7.1 Appearance and Dimension Inspection
  • 7.2 Lead-out strength
  • 7.3 Vibration
  • 8 Environmental and Climate Experiments
  • 8.1 Rapid temperature changes
  • 8.2 Constant humidity and heat
  • 8.3 Durability
  • 8.4 High and low temperature characteristics
  • 9 Tests related to component assembly
  • 9.1 Resistance to welding heat
  • 9.2 Solderability
  • 9.3 Component solvent resistance
  • 9.4 Marking solvent resistance
  • 10 Safety-related tests
  • 10.1 Flame retardancy
  • 10.2 Pressure Relief (if applicable)
  • 11 Quality Assessment Procedure
  • Appendix A (Normative) Classification by Capacitance and Internal Resistance
  • A.1 Overview
  • A.2 Classification by capacitance and internal resistance
  • Appendix B (Informative) Method for Measuring Capacitance and Resistance Using Low-Frequency AC Method (Reference)
  • B.1 Overview
  • B.2 Measurement System
  • B.3 Capacity Calculation
  • B.4 Measurement Conditions
  • Appendix C (Informative) Thermal Equilibrium Time of Capacitors
  • C.1 Overview
  • C.2 Thermal equilibrium time of the capacitor
  • Appendix D (Informative) Charge/Discharge Efficiency and Measurement Current
  • D.1 Overview
  • D.2 Charging efficiency, discharging efficiency, and current
  • Appendix E (Informative) Procedure for Setting Up Current Measurement for Capacitors with Uncertain Nominal Internal Resistance
  • E.1 Overview
  • E.2 Current setting procedure for capacitor measurement

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).

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)

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 45 pages — is available in the English PDF.

Referenced standards

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