Dear Memebrs,
I feel EN61000 - 4 - 2 is an over kill for assessing the ESD immunity
level of a device. An USB device with a CCD type sensor is repeatedly failing
in the lab testing conducted as per the standard and as per sensor
manufacturer's recomendations. On the other hand the sensor manufacturer claims
that millions of sensors are deployed in the field for more than a year and
absolutely no field returns on ESD account. The lab results are not at all
matching with field results calimed by the sensor manufacturer. As a product
certification engineer, I am confused whether to give the go ahead to my
company for the mass production.
I look for the members advise
a. Do you see a reasonable match between the EN 61000 - 4 - 2 lab test results
and field results.
b. Is there any other standard that you feel better than EN 61000 - 4 - 2.
Wishing you all a Happy Christmas & Prosperous New Year 2008
Bharath
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