patented uscd012 thru USCD014 surface mount schottky barrier rectifier reverse voltage - 20 to 40 volts forward current - 100 ma features mechanical data * lead free product * leadless chip form , no lead damage * lead-free solder joint , no wire bond & lead frame * plastic package has underwriters laboratory flammability classification 94v-0 * for surface mounted applications * low profile package * built-in strain relief * metal to silicon rectifier , majority carrier conduction * low power loss , high efficiency * high current capability , low vf * high surge capacity * for using in low voltage high frequency switching power supply, inverters , free wheeling , and polarity protection applications maximum ratings and electrical characteristics ratings at 25 o c ambient temperature unless otherwise specified. symbols units uscd012 USCD014 maximum repetitive peak reverse voltage v rrm volts 20 40 maximum rms voltage v rms 14 28 volts maximum dc blocking voltage v dc 20 40 volts average forward rectified current i o 100 ma peak forward surge current at 8.3 ms single half sine-wave i fsm 2.0 amps maximum instantaneous forward voltage at 0.1 a v f 0.40 volts maximum dc reverse current at rated dc blocking voltage i r 50 ua maximum dc reverse current at 10 v i r 20 ua storage temperature range t stg -40 to +125 o c junction temperature t j +125 o c *dimensions in inches and (millimeters) tm patented patented zowie technology corporation rev. 0 0603 preliminary case : packed with frp substrate and epoxy underfilled terminals : pure tin plated (lead-free), solderable per mil-std-750, method 2026. polarity : laser marking weight : 0.003 gram 0.020(0.40) 0.012(0 30) 0.020(0.40) 0.012(0.30) 0.031(0.80) 0.020(0 50) 0.001(0.03) 0.067(1.70) r 0.008(0.20) 0.059(1.50) 0.039(1.00) 0.028(0.70) 0.031(0.80) 0.002(0.05)
ratings and characteristic curves uscd012 thru USCD014 zowie technology corporation rev. 0 0 10 1 100 5 10 15 20 1000 reverse voltage, (v) juction capacitance (pf) fig. 5 - typical junction capacitance 0 0.04 0.02 0.08 0.10 0.06 0.12 50 75 100 150 25 125 0 average forward current, (a) lead temperature, ( o c ) fig. 1 - typical forward current derating curve 0.0 .001 10 0.01 0.10 1.00 0.1 0 2 0.3 0.4 0.5 0.7 0 6 iinstantaneous forward current, amperes forward voltage, (v) fig 3 - typical nstantaneous forward characteristics ta = 25 o c fig.2 - max mum 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 0.5 2.5 1 10 100 fig.4 - typical reverse characteristics percent of rated peak reverse voltage,% instantaneous reverse current, microamperes 0.10 0.01 0 20 1.0 10 100 1000 t j =100 o c t j =25 o c 40 60 80 100
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