zowie (20v~40v / 300ma) uscd032h thru USCD034H uni t : mm absolute maximum ratings (ta = 25 o c) v rrm uscd032h 20 USCD034H 40 v i f(av) ma i fsm a t j t stg 2.0 125 -40 to +125 8.3ms single half sine-wave item average forward current symbol conditions unit peak forward surge current junction temperature rating 300 repetitive peak reverse voltage storage temperature range schottky barrier diode * halogen-free type * compliance to rohs product * lead less chip form, no lead damage * low power loss, high efficiency * high current capability, low vf * plastic package has underwriters laboratory flammability classification 94v-0 features * switching mode power supply applications * portable equipment battery applications * high frequency rectification * dc / dc converter * telecommunication application * 3,000 pieces per 7" (178mm 2mm) reel * 5 reels per box * 6 boxes per carton packing case : packed with frp substrate and epoxy underfilled terminals : pure tin plated (lead-free), solderable per mil-std-750, method 2026. polarity : laser cathode band marking weight : 0.003 gram mechanical data outline dimensions t opr -40 to +125 operating temperature range o c electrical characteristics (ta = 25 o c) v f i f = 100ma i f = 200ma i f = 300ma item symbol conditions min. typ. v - - - 0.38 0.43 0.47 - - 0.50 max. unit forward voltage o c/w - 160 - r th(ja) junction to ambient thermal resistance o c/w - 110 - r th(jl) junction to lead pf - 35 - c j v r = 4v, f = 1.0 mhz junction capacitance ua ua - 8 50 - 1 20 i rrm repetitive peak reverse current v r = max. v rrm , ta = 25 o c v r = @ 10v , ta = 25 o c 2007/11 rev. 0 marking cathode mark amps class voltage class c equivalent : sod-523 0.35 0.05 0.35 0.05 0.03 1.6 0.1 r 0.20 0.90 0.1 0.05 0.60 + 0.2 - 0.1 halogen-free type . case : 0603 0.70 typ.
zowie (20v~40v / 300ma) uscd032h thru USCD034H 2007/11 rev. 0 0 10 1 100 5 10 15 20 1000 reverse voltage, (v) juction capacitance (pf) fig. 5 - typical junction capacitance 0 0.1 0.2 0.4 0.3 50 75 100 150 25 125 0 average forward current, (a) lead temperature, ( o c) fig. 1 - typical forward current derating curve fig.2 - maximum non-repetitive peak forward surge current peak forward surge current, (a) number of cycles at 60hz 8.3ms single half sine-wave (jedec method) 0 1.0 1.5 2.0 2.5 0.5 1 10 100 fig.4 - typical reverse characteristics percent of rated peak reverse voltage v r (v) instantaneous reverse current, microamperes 0.10 0.01 0 1.0 10 100 1000 t j =100 o c t j =25 o c 10 20 30 40 0 0.1 1000 1 10 100 0.1 0.2 0.3 0.4 0.5 0.7 0.6 iinstantaneous forward current, (ma) forward voltage, (v) fig.3 - typical instantaneous forward characteristics ta = 25 o c
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