An ESD event is a static discharge or spark. ESD events range across a broad spectrum—from microscopic discharges far below the threshold of human sensitivity to violent static shocks like the ones you may feel when you touch a metal door handle on a dry day.
ESD events far below the human threshold for perception—static charges humans cannot see, hear, or feel—can damage sensitive devices and cause disruption or loss of operational data.
In work environments, most ESD events are caused by the static generated when people walk, called walking body voltage.
