LKNP1W3.9Ω±5% T52 Chian Chia

- - - P roduct Name L i gh tn in g p rotecti on Wirewou n d Res i s tor Ad d h eat s h ri n kab l e tu b e 2018 11 12 C0 12-1 Vers i on E n actmen t Date Nov 12, 2018 Page 1. Ge n eral 1.1 S cope - R oHS T hi s speci fi cat i on i s avai l abl e for Wi rewound R esi st ori t accords wi t h R oHS t est of E nvi ronment rel at ed subst ance requi rement 1.2 ( ) T ype desi gnat i on (exampl e) , T he t ype desi gnat i on shal l be i n t he fol l owi ng form and as speci fi ed. L KNP 1W S 10 5% T 52 F or m T ype R at ed power Nomi nal r esist ance Re s is t anc e val ue t ole ra nc e 1.3 R at ed power 70, -1 70 R at ed power i s maxi mum power whi ch can be cont i nuousl y l oaded at speci fi ed ambi ent t emperat ure 70,as T abl e-1 however when t he ambi ent t emperat ure exceeds 70,rat ed power shoul d be det ermi ned from t he derat i ng curve of F i g.1.(%) - - - P roduct Name L i gh tn in g p rotecti on Wirewou n d Res i s tor Ad d h eat s h ri n kab l e tu b e 2018 11 12 C0 12-2 Vers i on E n actmen t Date Nov 12, 2018 Page -1 T abl e-1 KNP ( ) R at ed power KNP R esi st ance Li ght ni ng vol t age R ange() 0 .5W 1 800 V 0 . 1 ~ 2 00 1 W 2 500 V Fi gure 1 P ower derat i ng curve -5 5 70 1 2 0 1 0 0 8 0 6 0 4 0 2 0 2 55 0 -6 0 -4 0 -2 0 0 2 0 4 0 6 0 8 0 1 0 0 1 2 0 1 4 0 1 6 0 1 80 2 0 0 2 2 0 2 40 2 6 0 Am bi ent Tem perat ure( ) 1.4 R at ed vol t age () , The rat ed vol t age s hal l be t he D.C . or A.C .(R .M .S . at power freque ncy) vol t age whi ch corre s ponds t he rat ed power and t he val ue of whi ch i s cal cul a t ed from t he form ul a bel ow. E=( PR ) W here E: R at ed vol t age (V) P : R at ed power( W ) R : Nom i nal res i s t ance ( ) Opera t i ng Tem perat ure R ange: -55 +2 55 R at ed l oad(%)