The programme standards
Two standards describe a full ESD control programme. Most sites follow one of them.
| Standard | What it covers |
|---|---|
| ANSI/ESD S20.20 | An ESD control programme for protecting electrical and electronic parts, assemblies and equipment. Widely used in the Americas and Asia. |
| IEC 61340-5-1 | The IEC equivalent for protecting electronic devices from electrostatic phenomena. Common in Europe. |
| IEC 61340-5-3 | Requirements for ESD protective packaging. |
The supporting standards
| Topic | Typical standard |
|---|---|
| Packaging | ANSI/ESD S541 |
| Grounding | ANSI/ESD S6.1 |
| Worksurfaces | ANSI/ESD S4.1 and STM4.1 |
| Wrist straps | ANSI/ESD S1.1 |
| Flooring and footwear | ANSI/ESD STM7.1, STM97.1 and STM97.2 |
| Symbols and marking | ANSI/ESD S8.1 |
| Checking compliance | ANSI/ESD STM2.1 and TR53 |
| Moisture-sensitive parts | JEDEC J-STD-033 and IPC/JEDEC J-STD-020 |
How they fit together
The programme standard says what you must control: people, surfaces, packaging, marking and checks. The supporting standards give the test methods and limits for each item. Your own ESD programme plan says how your site does it.
This is a summary, not the standard. Standards are revised, so always check the current edition. Your quality team or auditor decides which one applies to your site.
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