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What does air discharge of ESD mean?

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dennislau

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Air discharge of ESD

Does anyone could tell me the meaning of air discharge in ESD and why we need this?

And, for example, for 15KV air discharge, what value of HBM ESD voltage which it corresponds to [15KV air discharge=??kV HBV ESD]?

Thanks.
 

Re: Air discharge of ESD

IEC1000-4-2 distinguishes four maximum discharge voltages (Table 3). In addition to the contact discharge test required by the HBM test method, this method also specifies an airgap-discharge test. Moving the test electrode rapidly and (if possible) in line with the pin to be tested, the air-gap-discharge technique approximates the so-called “ESD pistol.” It causes a spark discharge at a certain distance from the pin. In the contact-discharge technique, the ESD pistol is brought in contact with the pin to be tested before initiating the discharge.
Click to expand...

Quote from:
"ESD: where it comes from and how to protect against it"
**broken link removed**

Regards,
IanP
 

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