IEEE C62.47-1992 pdf free.IEEE Guide on ElectrostaticDischarge (ESD): Characterization of the ESD Environment.
IEEE C62.47 hand/metal ESD.An electrostatic discharge from an intruding human hand which occursfrom an intervening metal object such as a ring, tool, key, etc.Syn: hand/metal discharge.indirect ESD event.An ESD event taking place between an intruder and a receptor in prox-imity to equipment that is the victim.
initial current pulse. The subnanosecond risetime,and greater than 1 ns to perhaps 3 nsduration pulses that can occur at the start of the current wave from an ESD.Also called ini-tial pulse, initial spike, and fast discharge mode. Its leading edge is the initial slope.
initial slope. The slope,in amperes per nanosecond (A/ns), that occurs at the start of theESD current wave.Syn: rising slope.
intruder. The body that is in motion in an ESD event. The intruder is usually but not neces-sarily charged relative to its surroundings. It is always at a potential different from that ofthe receptor.
intruder electrode geometry. The size and shape of that surface of the intruder, termed theintruder electrode, at which the ESD takes place.main discharge current wave. The relatively long portion of the ESD current wave thatfollows the initial current pulse, or that occurs by itself when the initial current pulse does notexist. It may be unidirectional or oscillatory; its initial slope may be fast or slow.
multiple ESD event. An ESD event in which more than one discharge occurs. The timeinterval between successive discharges may be several microseconds to several tens of milli-seconds. Related terms include multiple ESD, multiple discharge, and multiple.
normalized peak ESD current. Ratio of the peak current to the charge voltage (e.g.,5A/kV).
normalized rising slope.Ratio of the initial slope to the charge voltage (e.g.,3.75 A/ns/kV).
proximity discharge. See proximity ESD.
proximity ESD. See indirect ESD event.Syn: proximity discharge.
receptor. The body that is at rest in an ESD event. The receptor is usually but not necessar-ily at the same potential as its surroundings. It is always at a potential different from that ofthe intruder.IEEE C62.47 pdf download.