1、ESD directivesESD = electrostatic sensitive devicese.s.d. = electrostatic dischargeESDs can be destroyed by voltages which are imperceptible to humans.As well as causing complete failure of components, e.s.d. can also be responsible for partial damage to an IC or component, which can reduce its serv

2、ice life or lead to sporadic faults. For these reasons, not only new modules, but also defective modules, must be handled very carefully in a way suitable for ESDs.ESD directivesElementMOSFETEPROMJFETOP amplifiersCMOSSchottky diodesThick/thin-film circuitsBipolar transistorsSchottky TTLVoltage (V)10

3、0-200100140-7000100-2500250-3000300-2500300-3000300-70001000-2500e.s.d. vulnerability of semiconductor elements161412108642syntheticwoolantistatice.g.offices without air humidity regulation (in winter)U/kVRel. air humidity/%15% 35%Average values for electrical voltages to which a person can be charg

4、ed20 40 60 80 100Video: ESDESD directivesHandling ESD modules:Components should only be unpacked ifa) you are wearing ESD shoesorb) you are wearing ESD shoe grounding stripsorc) you are grounded by means of an ESD armband.Before touching an electronic module you should discharge the voltage from your own body.Do not place electronic modules near monitors.Only measure with grounded meas