Standards_Industry Insights

ANSI/ESD Standard System: Authoritative North American ESD certification system, focusing on factory system management, refined implementation, and customer factory audit certification, the mainstream mandatory standard for high-end manufacturing.
IEC 61340 International System: The general benchmark of the International Electrotechnical Commission, defining global unified electrostatic testing methods, terminology, and equipment specifications, the underlying standard for cross-border compliance and material inspection.
Chinese National Standard System: Localized implementation aligned with the IEC system, including mandatory safety standards and industrial engineering specifications, the legal basis for domestic safety supervision and production compliance.

Complete Collection of Global Mainstream ESD Standard Systems

Covers the whole process control of EPA, no missing standards

1. ANSI/ESD Standard System

North American Authority · Core for Factory Audit

EPA | ANSI/ESD Complete Authoritative Standard System

ANSI/ESD is the authoritative North American electrostatic protection standard system, the core basis for EPA construction, system certification, and on-site control in global semiconductor, precision electronics, and component manufacturing. It features fast iteration, detailed clauses, and strong operability, the core audit benchmark for high-end customer factory inspections and ESD special certifications.

1. Terminology and System Management Standards (Core of EPA System Construction)

ANSI/ESD S20.20:2021For the Development of an Electrostatic Discharge Control Program for Protection of Electrical and Electronic Parts, Assemblies, and Equipment(Excluding Electrically Initiated Explosive Devices)：The primary objective of the standard is to provide guidance for protecting electrical and electronic parts, assemblies, and equipment from electrostatic discharge (ESD) damage. It specifies the development, implementation, and maintenance of an ESD control program to safeguard these items.
ANSI/ESD S1.1-2023 Electrostatic Control Wrist Straps: Specifies the material, resistance parameters, wearing structure, service life, daily self-test, and periodic testing methods of wrist grounding equipment for EPA operators.
ANSI/ESD STM2.1-2023 Electrostatic Control Work Clothing: Defines the attenuation performance, surface resistance, sewing technology, application scenarios, and third-party professional testing methods of anti-static clothing.
ANSI/ESD STM9.1-2023 Resistance Characteristics of Footwear: Special definition of dry/wet resistance parameters, test environment, and judgment thresholds for anti-static and conductive shoes.
ANSI/ESD S20.1:2021 General Technical Requirements for Anti-static and Conductive Shoes: Unified compliance standards for shoe selection, procurement acceptance, on-site use, and scrap replacement.
ANSI/ESD STM97.1-2022 Resistance Measurement of Floor-Footwear-Personnel Combined System: Verifies the overall grounding conductivity of personnel and ground environment, eliminating invisible risks of static accumulation in qualified single products.
ANSI/ESD STM97.2-2023 Voltage Measurement of Floor-Footwear-Personnel Combined System: Accurately detects static accumulation voltage of human body during operation, preventing instantaneous high-voltage discharge from damaging precision components.

2. Personnel Electrostatic Protection Standards (EPA Personnel Special Control)

ANSI/ESD STM3.1-2022 Ionizing Static Eliminators: Specifies ion balance, static elimination speed, residual voltage, and equipment performance parameters of EPA ion fans and guns.
ANSI/ESD SP3.3-2023 Periodic Testing of Ionizing Static Eliminators: Defines daily inspection, monthly calibration, annual verification processes, non-conformity judgment, and rectification closure requirements for ion fans.
ANSI/ESD STM4.1-2024 Resistance Measurement of Work Surfaces: 2024 new version updates test procedures, temperature and humidity parameters, and electrode configuration, adapting to new polymer anti-static countertop materials.
ANSI/ESD S6.1:2019 (R2019) Grounding Systems: Defines EPA workshop grounding layout, equipotential bonding, grounding trunk, and grounding resistance thresholds. No official new version in 2023/2024, global factory audits uniformly implement the 2019 revised version.
ANSI/ESD STM7.1-2022 Material Characteristics of Floor Systems: Specifies the material, resistance range, construction acceptance, and aging detection judgment basis for anti-static floors and adhesives.
ANSI/ESD STM12.1-2022 Resistance Measurement of Seating: Special specification for overall conductivity, grounding method, and testing method of workshop anti-static chairs.
ANSI/ESD S13.1-2023 Anti-static for Electric Soldering/Desoldering Tools: Controls static discharge capacity of high-temperature operating tools, eliminating dual damage of static electricity and high temperature at welding stations.
ANSI/ESD S4.1:2017 General Specification for Anti-static Work Surfaces: Unified standards for countertop selection, laying technology, grounding configuration, and daily use maintenance.

3. EPA Area, Tooling, and Environmental Grounding Standards

ANSI/ESD S8.1-2022 Protection Symbols for ESD Sensitive Items: Unified style, size, posting position, and usage specifications for EPA warning signs, equipment labels, and material labels.
ANSI/ESD STM11.31-2023 Anti-static Bags: Specifies surface resistance, shielding effectiveness, and attenuation performance testing methods of ESD shielding bags and anti-static packaging bags.
ANSI/ESD S541:2019 (R2019) Packaging Materials for Electrostatic Discharge Sensitive Items
MIL-STD-2073-1D U.S. Department of Defense Military Packaging Standard: Applicable to anti-static packaging compliance control of military, aerospace, high-precision devices, and high-sensitivity chips.

4. Identification and Packaging Protection Standards

ANSI/ESD STM11.11-2021 Surface Resistance Measurement of Static Dissipative Materials: Applicable to surface conductivity testing of anti-static countertops, fabrics, films, and plates.
ANSI/ESD STM11.12-2021 Volume Resistance Measurement of Static Dissipative Materials: For overall conductivity judgment of solid and thick anti-static materials.
ANSI/ESD STM11.13-2022 Two-Point Resistance Measurement: General simple testing method for on-site rapid sampling and batch inspection in workshops.

2. IEC 61340 International System

Global Universal · Cross-border Compliance

EPA | IEC 61340 International Authoritative Standard System

The IEC 61340 series is a global universal basic standard system for electrostatic protection issued by the International Electrotechnical Commission, applicable to electrostatic risk control in all industries, an internationally recognized ESD compliance benchmark. Most domestic anti-static national and industrial standards are equivalently adopted from the IEC system.

1. EPA Core Management Standards

IEC 61340-5-1:2024 Electrostatics - Protection of electronic devices from electrostatic phenomena - Part 5-1: General requirements: The top core guideline for EPA construction, operation, personnel management, equipment control, and compliance audit.
IEC 61340-5-2:2024 Electrostatics - Part 5-2: Protection of electronic devices from electrostatic phenomena - User guide: Guides enterprises in EPA system implementation, daily operation, problem rectification, and internal audit management.
IEC 61340-5-3:2022 Electrostatics - Part 5-3: Protection of electronic devices from electrostatic phenomena - Classification and requirements for packaging of sensitive devices: Divides packaging protection standards and storage specifications according to device electrostatic sensitivity levels.
IEC TS 61340-5-4:2021 Electrostatics - Part 5-4: Protection of electronic devices from electrostatic phenomena - Compliance verification: Official basis for third-party certification, factory audit, and system compliance judgment.

2. Testing Method Standards

IEC 61340-2-3:2016/COR1:2023 Electrostatics - Part 2-3: Methods for characterizing the electrostatic behaviour of solid materials - Resistance/Resistivity: The underlying universal benchmark for testing all anti-static materials.
IEC 61340-4-1:2024 Electrostatics - Part 4-1: Resistance measurement of floors/floor coverings: Applicable to acceptance testing of industrial anti-static floors, adhesives, and terraces.
IEC 61340-4-3:2017 Electrostatics - Part 4-3: Resistance measurement of footwear: International universal testing method for anti-static and conductive shoes.
IEC 61340-4-5:2018 Electrostatics - Part 4-5: Wearable electrostatic protection devices - Test method for anti-static wrist straps: Unified global wrist strap testing parameters and processes.
IEC 61340-4-6:2018 Electrostatics - Part 4-6: Electrostatic characteristics of footwear-floor-human body systems: Verifies the overall discharge performance of human-machine environment.
IEC 61340-4-7:2024 Electrostatics - Part 4-7: Ionizing equipment: For EPA ion fan compliance verification. The 2025 new version is a draft, and the 2024 version is used for official factory audits.
IEC 61340-4-8:2024 Electrostatics - Part 4-8: ESD shielding bags: Adapt to cross-border product packaging compliance testing.
IEC 61340-4-9:2024 Electrostatics - Part 4-9: Anti-static clothing: Unified international testing specifications for personnel protective clothing.

3. Basic Terminology and Associated Safety Standards

IEC 61340-1:2016 Electrostatics - Part 1: General principles of electrostatic protection: Defines global universal electrostatic terminology, protection principles, and basic concepts, the programmatic document of all IEC standards.
IEC 60364-4-41:2005+AMD1:2017 Low-voltage electrical installations - Part 4-41: Protection for safety - Protection against electric shock: Links ESD grounding system, balances electrostatic protection and low-voltage electrical safety, standardizes the bottom line of workshop grounding safety.

3. Chinese National & Industrial Standards

Legal Basis · Safety Supervision

Current Valid Chinese ESD National & Industrial Standards

Chinese ESD protection standards are aligned with the IEC international system, optimized based on domestic safety production regulations and manufacturing working conditions. Including mandatory safety standards and industrial engineering standards, they are the legal basis for domestic safety supervision, engineering construction, system certification, and legal production.

📌 GB/T 19001-2016 Quality Management Systems - Requirements: Integrates ESD static protection into the core module of enterprise quality management, clarifies the basic management requirements of electrostatic control in the precision electronics industry, a mandatory clause for system factory audits.
📌 GB/T 24376-2018 General Specification for Electrostatic Protection of Electronic Components: Special anti-static standard for production, testing, sorting, storage, and packaging of domestic electronic components, adapting to the whole process control of domestic electronic manufacturing.
📌 GB 12158-2006 General Guideline for Prevention of Electrostatic Accidents (Mandatory National Standard): The only mandatory bottom line for electrostatic safety production in China, all manufacturing enterprises must comply, the legal basis for electrostatic accident accountability and safety supervision penalties.
📌 SJ/T 10796-2021 Code for Design of Electrostatic Protection Engineering in Electronic Manufacturing Workshops: Professional industrial standard guiding EPA workshop planning, grounding pipe network construction, anti-static floor laying, and protection engineering acceptance.
📌 GB 50472-2008 Code for Design of Electronic Industry Clean Workshops (Mandatory): For electronics, chips, and panel factories, specializing in temperature/humidity and micro-vibration prevention for the electronics industry
📌 GB 50457-2019 Code for Design of Pharmaceutical Industry Clean Workshops (Mandatory): For pharmaceutical factories and medical devices, emphasizing GMP compliance, involving pressure difference gradient and personnel/material flow separation.
📌 GB 50591-2010 Code for Construction and Quality Acceptance of Clean Rooms (Mandatory): Construction acceptance, specifying how to test for qualification after completion.
📌 GB 50073-2013 Code for Design of Clean Workshops (Mandatory): Domestic general design code, with the most mandatory provisions covering fire protection, evacuation, HVAC, and power distribution. Must be complied with.

4. Aerospace & Military ESD Standards

Military Mandatory · Aerospace Special

Exclusive ESD Standard System for Aerospace & Military Fields

Aerospace and military electronic products have high reliability, high sensitivity, and extreme environmental adaptability requirements. ESD control standards are much stricter than civilian industries, implementing exclusive mandatory standard systems.

1. Core Mandatory Standards of Chinese Military Standards (GJB)

GJB 2604-2016 Anti-static Requirements for Military Electronic Products: The highest mandatory standard for ESD protection of domestic military electronics, covering the whole process control of devices, components, and complete machines.
GJB 3007-2009 Technical Requirements for Anti-static Work Areas: Special specification for military EPA construction, grounding, environment, and personnel.
GJB 548B-2005 Test Methods for Microelectronic Devices: Standard for electrostatic breakdown testing and reliability verification of military chips and components.
GJB 150-2020 Environmental Test Methods for Military Equipment in Laboratory: Includes anti-static performance verification requirements in extreme environments.

2. International Military Standards (MIL-STD)

MIL-STD-1686 Electrostatic Discharge Control Program for Military Electronic Equipment: The core benchmark for global military ESD system control.
MIL-STD-883 Test Methods for Microelectronic Devices: Standard for electrostatic sensitivity classification and breakdown testing of military devices.
MIL-STD-2073-1D Military Packaging Standard: Mandatory specification for anti-static packaging of aerospace and military devices.
MIL-PRF-81705 General Specification for Anti-static Packaging Materials: Performance standard for military special shielding bags and turnover materials.

3. Special Standards for Aerospace Industry

SAE AS6060 Aerospace Electrostatic Discharge Control Requirements: Universal ESD control standard for the international aerospace industry.
HB 7063-94 Anti-static Technical Requirements for Aviation Electronic Products: Exclusive ESD specification for domestic aviation manufacturing.
NASA-STD-8739.7 NASA Electrostatic Discharge Control for Spaceflight Equipment: ESD protection standard for spacecraft and satellite components.

4. Core Control Requirements for Military/Aerospace ESD

Mandatory full-process EPA control, electrostatic sensitivity level 2-3 grades higher than civilian
Independent equipotential grounding for grounding system, resistance threshold ≤1Ω (much stricter than civilian standards)
Packaging and consumables must pass military certification, civilian anti-static materials are prohibited
Personnel must pass special military ESD training, hold certificates, with lifelong traceable records

5. ESD System Audit | Core Audit Points Summary

✓ System Document Audit (Basic Guarantee)

Goal: Establish a standardized and controlled ESD management system to ensure document compliance and implementation consistency.

Complete System Architecture: Establish a complete ESD management system document framework, including procedure documents, three-level work instructions, risk assessment reports, and process flowcharts. All documents are strictly aligned with the latest ANSI/ESD, IEC/ESD, and national standards.

Full Lifecycle Document Management: Version controlled, establish standard update and distribution records, eliminate expired documents; on-site operations are completely consistent with document requirements, no "duplication"; regular internal audits and management reviews are carried out to form complete review and improvement records.

✓ Hardware Facility Compliance (Technical Core)

Goal: Ensure protection equipment parameters meet standards, grounding system is reliable, and full lifecycle is traceable.

Visual Identification Management: Complete ESD warning signs and EPA boundary signs in all areas, in compliance with S8.1 standards.

EPA Construction: Grounding system resistance meets standards, equipotential bonding is complete; anti-static countertops, floors, and chairs are qualified, temperature and humidity are controlled within the specified range.

Equipment & Consumables Control: Key equipment such as ion fans and welding tools meet performance standards, retain calibration certificates; anti-static packaging, turnover boxes, and fixtures have qualified test reports and compliance qualifications.

✓ Personnel Control Audit (Execution Subject)

Goal: Improve the protection awareness of all staff and ensure standardized wearing and operation of personal protective equipment.

Training & Assessment System: Establish a full-staff ESD training system, covering pre-job training, annual retraining, and special skill training; complete training files, including courseware, sign-in sheets, test papers, and certificate records.

Protective Equipment & Operation Specifications: Mandatory wearing of anti-static clothing, shoes, and wrist straps; implement pre-job self-inspection of protective equipment; strictly abide by EPA operation specifications, prohibit bare-handed touching of device pins.

✓ Record & Operation Audit (Closed-loop Evidence)

Goal: Realize full-process data traceability and build a closed-loop management mechanism of "problem discovery - problem rectification".

Full-process Record Management: Establish daily checklists for anti-static equipment, retain complete records of periodic performance testing, consumables sampling, and equipment maintenance.

Closed-loop & Traceability Mechanism: Establish replacement records for protective consumables; abnormal problems require closed-loop records of cause analysis and rectification measures; all records are standardized, true, and complete with signatures.

High-frequency Audit Deduction List (Key Avoidance)

✅ Wrong Standard Version (Fatal Defect): Prohibit expired versions, strictly use valid versions approved by auditors

✅ Grounding System Failure (Safety Hazard): Reliable grounding connection, resistance meets standards, retain inspection records

✅ Lack of Personnel Protection (Execution Loophole): Implement inspection system to ensure unobstructed human-to-ground discharge path

✅ Invalid Consumables Qualification (Hidden Risk): EPA materials must have certificates and qualified material certificates

✅ Chaotic Identification Management (Visual Pollution): Clear area division, standard warning signs, clear material protection level labels

✅ Lack of Environmental Control (Parameter Out of Control): Temperature and humidity controlled at 40%-60%RH, equipped with monitoring equipment

✅ Uncalibrated Equipment (Data Distortion): Establish equipment ledger, strictly implement annual metering calibration plan

Enterprise Standard Selection Priority (Audit Strategy)

✅ High-end Customer Audit / ESD Certification: Prioritize ANSI/ESD full specifications

✅ Cross-border Trade / Third-party Testing: Prioritize IEC 61340 international standards

✅ Domestic Safety Supervision / Workshop Acceptance: Prioritize national mandatory standards (GB)

✅ Aerospace / Military Manufacturing: Prioritize GJB + MIL-STD

✅ Full-scenario Compliance (Best Practice): Integration of three standards, unified control process

✅ Illuminance & Noise (GB 50034 / GBZ 1): Clean area illuminance 300Lx-500Lx, noise ≤65dB(A)

6. In-depth Expansion | Standard Differences, Audit Misunderstandings & Implementation Solutions

1. Core Differences Between ANSI/ESD and IEC 61340

ANSI/ESD: Focuses on factory system certification and on-site refined control, the core basis for customer factory audits and ESD special certifications, with stronger implementability and controllability.
IEC 61340: Focuses on basic testing methods and material/equipment definitions, a global unified technical benchmark, mostly used for product inspection, cross-border compliance, and standard formulation.

2. High-frequency Version Misunderstandings (Key Avoidance)

✅ S541 Version: Abandon the 2022 trial version, factory audits mandatory recognize the 2019(R2019) revised version
✅ S6.1 Grounding Version: No new version, global unified implementation of 2019(R2019)
✅ IEC Ion Fan Version: 2025 is an invalid draft, the compliant valid version is 2024

3. Enterprise Standard Selection Priority (Practical Implementation)

Prioritize ANSI/ESD for strict customer audits/ESD certification; align with IEC 61340 for product inspection and cross-border compliance; strictly follow national mandatory standards for domestic safety supervision; implement exclusive military/aerospace standards for aerospace/military projects to achieve full-scenario compliance protection.

Industry Insights

In-depth Interpretation of International & National ESD Static Protection Standards