Using a standard screwdriver in an ESD-protected area is one of the most common hidden risks on electronics assembly lines. The tool looks harmless. However, the damage it can do to semiconductor components is real, costly, and often invisible until the product fails in the field.
Why a standard tool is dangerous in an ESD area
Standard plastic housings often hold static charges of several thousand volts. For example, just walking across a workbench or rubbing against clothing builds up that charge. When the charged tool touches a sensitive component, it discharges into the part. As a result, the component suffers latent ESD damage. In many cases, the part still passes final test. Then it ships, and weeks later it fails in the field.
How ESD-safe tools protect your components
Our Mountz ESD-safe screwdrivers use dissipative housings. Therefore, static charges drain to ground in milliseconds rather than discharging into a component. In addition, the metal shafts ground the user through the wrist strap. As a result, the operator and the tool stay at the same potential.
Above all, ESD-safe tools meet IEC 61340-5-1. This standard defines limits for resistance to ground in EPAs. So before you buy a tool, check its certificate.
Quick checklist before you let any tool into an EPA
- Check the housing material. Look for “dissipative” or “ESD-safe” markings.
- Verify resistance to ground with an ESD audit meter.
- Pair the tool with an ESD wrist strap and grounded mat.
- Train operators to keep regular tools out of the EPA.
- Audit tools quarterly. Materials can degrade.
Need ESD-safe tools or an EPA tooling audit? Contact Phil Industries or WhatsApp our engineer at +65 98539030. We also stock the full range of ESD products for new EPAs.