schottky barrier rectifer ?2016 littelfuse, inc specifcations are subject to change without notice. revised:02/03/16 DST2045C, 2x10a, 45v, to-220ab, common cathode DST2045C pin out r ohs pb p i nout 1 d 2 - pak & d - p a k c o m m o n c a t h o d e p i nout 2 t o - 220a b c o m m o n c a t h o d e p i nout 3 i t o - 220a b c o m m o n c a t h o d e p i nout 4 i t o - 220a b c o m m o n a n o d e heat s i n k common cathode 1 3 heat s i n k 1 3 2 1 3 2 c a t h o d e c a t h o d e 1 3 2 c o mmo n a n o d e common cathode common cathode a n o d e a n o d e a n o d e a n o d e a n o d e a n o d e common cathode he at sink 1 2 pin out 5 t o-220 ac c a t h o d e c a t h o d e anode maximum ratings parameters symbol test conditions max unit peak inverse voltage v rwm - 45 v average forward current i f(av) 50% duty cycle @t c =80c rectangular wave form 10 (per leg) a 20 (total device) peak one cycle non-repetitive surge current (per leg) i fsm 8.3 ms, half sine pulse 150 a electrical characteristics parameters symbol test conditions max unit forward voltage drop (per leg) * v f1 @10a, pulse, t j = 25 c 0.58 v v f2 @10a, pulse, t j = 125 c 0.52 reverse current (per leg) * i r1 @v r = rated v r t j = 25 c 2 ma i r2 @v r = rated v r t j = 125 c 30 * pulse width < 300s, duty cycle <2% description applications littelfuse dst series ultra low v f schottky barrier rectifer is designed to meet the general requirements of commercial and industry applications by providing high temperature, low leakage and lower v f products. it is suitable for high frequency switching mode power supply, free-wheeling diodes and polarity protection diodes. ? switching mode power supply ? dc/dc converters ? free-wheeling diodes ? polarity protection diodes features ? ultra low forward voltage drop ? high frequency operation ? high junction temperature capability ? guard ring for enhanced ruggedness and long term reliability ? common cathode confguration in to- 220ab package
schottky barrier rectifer ?2016 littelfuse, inc specifcations are subject to change without notice. revised:02/03/16 DST2045C, 2x10a, 45v, to-220ab, common cathode thermal-mechanical specifcations figure 1: typical forward characteristics figure 2: typical reverse characteristics oc figure 3: typical junction capacitance oc oc oc oc parameters symbol test conditions max unit unction temperature t to c storage temperature t stg to c termal esistance unction to case per leg tc c operation . c/w
schottky barrier rectifer ?2016 littelfuse, inc specifcations are subject to change without notice. revised:02/03/16 DST2045C, 2x10a, 45v, to-220ab, common cathode dimensions- to-220ab symbol millimeters min max a 3.56 4.83 a1 0.51 1.40 a2 2.03 2.92 b 0.38 1.02 b1 1.14 1.78 c 0.31* 0.61 d 14.22 16.51 d1 8.38 9.15* e 9.65 10.67 e 2.54 - e1 4.98* - h1 5.84 6.86 l 12.70 14.73 l1 - 6.35 ? p 3.53 4.09 q 2.54 3.43 packing options part number marking packing mode m.o.q DST2045C DST2045C 50pcs / tube 1000 part numbering and marking system 6 lf yy w wl DST2045C dst = devi ce ty pe 20 = forw ar d curre nt (20a ) 45 = rev er se vo ltage (45v) c = conf ig uratio n lf = littelfuse yy = year ww = we ek l = lot nu mb er tube speci fcation p p p p p p footnote *: the spec. does not comply with jedec spec.
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