~+ 125 perature: -40 ~ +85 working temperature: -40 s p ark gap p r otectors (spg ) re v ision jan u a r y 0 6, 2014 1 / 5 @ un semico n du c tor co., l t d . 2014 s pecifications a r e subject to change w i thout notice. please refer to w w w .unsemi.com. tw f or current informat i on. unc s er i es un sem i c o nducto r co., l td. ww w .u n sem i .com. tw u appro x imat e ly zero leaking current b efore clamping v olt a ge u less decay at on/off sta t e. u high capabi l ity to withstand repeated lightning strikes. u low electro d e capacitan c e ( 1.0pf) and high isol a tion ( 100m ? ). u rohs compliant. u bilateral symmetrical. u temperature, humidity and lightness insensiti v e. u u storage te m u meets msl le v el 1, p er j -std-020 u power supp l ies u motor sparks eliminating u relay switching spark a b sorbing u data line pu l se guardin g u electronic de v ices requi r ing ul497a and ul497 b compliant u telephone/ f a x /modem u high frequ e ncy signal transmitters/recei v ers u satellite an t enna u radio amplifiers u alarm systems u cathode ra y tubes in m o nitors/tvs (1) series (2) v s v ol t age, e.g. 201=2 0 x 10 1 =20 0v (3) v s v ol t age t olerance: l - 15%, m - 20%, n - 30% s y mbol inches millimeters l1 1.102 0.079 28.0 2.0 l 0.252 0.039 6.7 1.0 d 0.020 0.002 0.5 0.05 d 0.122 0.020 3.1 0.5 applica t ions fea t ures par t numbering un c - 2 01 m (1) (2 ) (3) dimensions
spark gap protectors (spg) revision january 06, 2014 2 / 5 @ un semiconductor co., ltd. 2014 specifications are subject to change without notice. please refer to www.unsemi.com.tw for current information. unc series un semiconductor co., ltd. www.unsemi.com.tw part number dc spark-over voltage vs(v) minimum insulation resistance ir(ohm)/dc maximum capacitance 1khz-6vmax c (pf) surge current capacity 8/20 ?? ?? ? ?? ?? ???? ? ? ?? ? ???? ? ? ?? ?? ???? ?? ? ?? ?? ???? ?? ? ?? ?? ???? ?? ? ?? 242 2400 1920 2880 27 2700 2250 3240 unc- 302m 3000 (2400 ~3600 ) 100m / 500 v 1.0 3000a 10kv / 150 a , >300t unc- 242 red purple red 27 30 red purple
spark gap protectors (spg) revision january 06, 2014 3 / 5 @ un semiconductor co., ltd. 2014 specifications are subject to change without notice. please refer to www.unsemi.com.tw for current information. unc series un semiconductor co., ltd. www.unsemi.com.tw items test method standard dc spark-over voltage measure starting discharge voltage (vs) by gradually increasing applied dc voltage. test current is 0.5ma max. and the dc voltage ascends up within 100v/s(vs ? ? ?????? ?????? ? ??? ?????? ?????????? ? ????? ??? ? ?????? ? ???????? O O ?? ????? ?? ?? ?? ???? ??? ? ? ????? ????? ?? ???? ? ? ?? ?? ????? ? ????????
spark gap protectors (spg) revision january 06, 2014 4 / 5 @ un semiconductor co., ltd. 2014 specifications are subject to change without notice. please refer to www.unsemi.com.tw for current information. unc series un semiconductor co., ltd. www.unsemi.com.tw flow soldering conditions reflow soldering conditions 1) time shown in the above figures is measured from the point when chip surface reaches temperature. 2) temperature difference in high temperature part should be within 110 ? ????? ???? ???????????????? ???????? ???????????????? ?????? ?????????????????????????? ??????????? ? ????????????????????? ??????????????? ??? ??? ??? ? ? ?? ? ??
spark gap protectors (spg) revision january 06, 2014 5 / 5 @ un semiconductor co., ltd. 2014 specifications are subject to change without notice. please refer to www.unsemi.com.tw for current information. unc series un semiconductor co., ltd. www.unsemi.com.tw symbol dimension (mm) w 52+2.0/-1.0 p 5.0 ? ? ? ? ? ? ? ? ? ? ? ? ???? ???? ?
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