schottky barrier diode lrb521s - 30t1g maximum ratings (t a = 25 c) parameter symbol limits unit dc reverse voltage v r 30 v mean rectifying current i o 200 ma peak forward surge current* i fsm 1a junction temperature t j 125 c storage temperature t stg -40~+125 c *60hz for 1 cycle. electrical characteristics( t a = 25 c ) parameter symbol min. ty p max. unit conditions forward voltage v f -- 0. 50 v i f =200ma reverse current i r -- 30 ? v r =10v z applictions low current rectification and high speed switching z features extremelysmall surface mounting type. (sc-79/sod523) extremely fast switching speed extremely low forward voltage 0.5 v (max) @ if = 200 ma z construction s ilicon epitaxial planar 1 2 cathode anode sod523/sc-79 1 2 leshan radio company, ltd. z device marking shipping LRB521S-30T1G 5m 3000/tape&reel lrb521s-30t3g 5m 10000/tape&reel we declare that the material of product compliance with rohs requirements. low reverse current device marking and ordering information rev.o 1/3
0 2468101214 1 2 5 10 20 50 100 f=1mhz ta=25 o c reverse voltage : v r (v) capacitance between terminals : c t (pf) fig. 3 capacitance between terminals characteristics 0 0 20 40 60 80 100 25 50 75 100 125 io current (%) ambient temperature : ta( o c) fig. 4 derating curve (mounting on glass epoxy pcbs) electrical characteristic curves(ta=25 o c) forward current : i f (a) fig. 1 forward characteristics forward voltage:v f (mv) reverse current : i r ( m a) fig. 2 reverse characteristics lrb521s - 30t1g leshan radio company, ltd. ca p a c i tan c e b e t w e e n te r m i n a l s: ct( p f ) r e ve rse vo l t a g e: v r ( v ) vr - c t c h a r ac t e r i s t i c s ca p a c i tan c e b e t w e e n te r m i n a l s: ct( p f ) c t d is p e rs io n m a p 10 11 12 13 14 15 16 17 18 19 20 ave: 14.33pf 1 10 100 0 5 10 15 20 t a =25 f =1m h z v r =0v n=10p cs f =1m hz i f sm d isp e rsio n m a p pe a k s u r ge f o r w ard cu rr e n t: if sm ( a ) pe a k s u r ge f o r w a r d c u rre n t :ifs m ( a ) n u m b er o f cy c l es if sm - c y c l e c h a r a c t e r isti c s pe a k s u r ge f o r w a r d c u rre n t :ifs m ( a ) ti m e :t ( m s ) if sm - t c h a racteri s t i cs tim e : ( s) rth - t ch aracteri s t ics tr an sien t t h ae r m al i m p ed a n c e : r t h ( / w ) fo r w a r d p o we r d iss ip ati o n : p f ( w ) av erag e r e cti f ied fo rw a r d c u rr e n t i o ( a ) io - p ch ar a c t e r i stics re ve r s e p o w e r d i s sip atio n p r (w ) r e ve rse vo l t a g e v r ( v ) vr - p r c h a r a ct er i s t i cs 0 5 10 15 20 ave: 5 . 60a 0 5 10 1 1 0 100 8. 3m s if sm 1cy c 8. 3m s 0 5 10 1 1 0 100 t if sm 10 100 1000 0.001 0.1 1 0 1000 rt h(j - a ) rt h(j -c) 1m s i m =1 m a i f =2 0m a 3 00u s ti m e m o u n t e d o n e po x y b o a r d 0 0.05 0.1 0.15 0.2 0 0 .1 0.2 0 . 3 0.4 0 .5 0 0. 1 0. 2 0. 3 0. 4 0. 5 01 0 2 0 3 s i n(?1 80) d =1/2 dc 8. 3m s if sm 1cy c dc d =1/2 s i n( 180) 0 -25 25 75 100 125 -25 25 75 100 125 reverse voltage:v r (v) 0.001 0.01 0.1 1 0 100 200 300 400 500 600 0 . 0 0 0 0 1 0 . 0 0 0 1 0 . 0 0 1 0 . 0 1 0 . 1 1 1 0 0 5 1 0 1 5 2 0 2 5 3 0 3 5 4 0 4 5 rev.o 2/3
sc - 79/sod - 523 LRB521S-30T1G leshan radio company, ltd. notes: 2. controlling dimension: millimeters. 3. maximum lead thickness includes lead finish. base material. 4. dimensions d and e do not include mold flash, pro- trusions, or gate burrs. dim min nom max millimeters d 1.10 1.20 1.30 e 0.70 0.80 0.90 a 0.50 0.60 0.70 b 0.25 0.30 0.35 c 0.07 0.14 0.20 l 0.30 ref h 1.50 1.60 1.70 e l2 0.15 0.20 0.25 e d ? x ? ? y ? b 2x m 0.08 x y a h c 12 e top view side view soldering footprint* recommended 2x 0.48 0.40 2x 1.80 dimension: millimeters package outline rev.o 3/3
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