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Common electrostatic-sensitive devices include: 1  MOSFET transistors, used to make integrated circuits (ICs). 2  CMOS ICs (chips), integrated circuits built with MOSFETs. 3  Examples are computer CPUs, graphics ICs. 4  Computer cards.
Zener diode used as an ESD protection means. The figure to the right shows another ESD protection means commonly employed to protect laser diodes. In this scheme, a Zener diode is connected anti-parallel with the laser diode. There are several problems with this technique.SD polarity terminology used on this web site. The term âpositive-ESDâ is used to mean electrostatic discharge (ESD) whose voltage polarity would tend to forward-bias a laser diode. âNegative-ESD,â means ESD whose voltage polarity would tend to reverse-bias a laser diode.