过压保护元件的技术资料

过压保护元件的技术资料AApplicatpplication ion Gui Guide de bBe tte rOver Voltage ProtectorPro tectio n p rin cip le:G en era l ly,G D T(G a s D ischarg e Tube)w orks w hene ve ra su rge vol tage exc e ed s th e r at e d w orki n g V oltag e of G D T.A s th e a rc w ith hig h cur re nt(beca us e of i m p eda nce ofsurgevo lta ge to G D T)i s di sch arg ed,G D Tca n p reven t a fu rthe rrise o fsu rg e vo ltag e,(a pp ro xim a te ly som e10vo lts),a n dth e e n e rg y of su rg e w ill n ot tra n s m it to the c irc uitan dco m p on en t n eed e d to be p rote cte d.保护原理:当放电