features ratings at 25 o c ambient temperature unless otherwise specified sk34a SK35A sk36a sk38ask39ask310a ss34a ss35a ss36a ss38a ss39ass310a maximum repetitive peak reverse voltage v rrm 40 50 60 80 90 100 v maximum rms voltage v rws 28 35 4 2 56 63 70 v maximum dc blocking voltage v dc 40 50 60 80 90 100 v maximum average forward rectified current at t l =90 i f(av) a peak forward surge current 8.3ms single half- sine-wave i fsm a maximum instantaneous forward voltage at i f m =3.0a (note1) v f v maximum dc reverse current t j =25 at rated dc blocking voltage t j =1 25 operating temperature range t j o c storage temperature range t stg o c units - 55 ---- +150 i r note: 1.pulse test: pulse width 300us,duty cycle 1 % maximum thermal resistance o c/w - 55 ---- +125 14 reverse voltage: 20 - 100 v forward current: 3.0 a surface mount schottky barrier rectifiers low forward voltage schottky barrier rectifier guardring protection 20 21 0.5 5 0.5 20.0 m a r jl 17.0 30 0.7 5 3.0 0.85 100.0 20 30 case: sm c molded plastic body 1111 sk33a sk32a device marking code ss32 a ss33a polarity: color band denotes cathode end maximum ratings and electrical characteristics mounting position: any sma weight: 0.007 ounces, 0.21 gram mechanical data reverse energy tested high current capability extremely low thermal resistance sk32a - - - sk310a dimensions in millimeters diode semiconductor korea www.diode.kr 4.5 0.1 2.6 0.15 1.3 0.2 0.203max 0.2 0.05 5.1 0.2
amperes amperes amperes capacitance, pf reverse voltage,volts instantaneous forward current fi g.3 -- typi cal i nstantaneous forward xxxxxxxxx---- characteri sti cs peak forward surge current fi g.4 -- typi cal juncti on capaci tance sk32 a- - - sk310a lead temperature, number of cycles at 60hz instantaneous forward voltage, volts fi g.1 -- forward derati ng curve fi g.2 -- peak forward surge current average forward rectified current t j =25 ?? f=1.0mhz vsig=50mvp-p 0 . 1 1 100 10 10 100 1000 10 60 1 10 100 40 70 50 30 20 80 t j =t j max 8.3ms single half sine-wave 2 4 0 0 3 1 25 50 75 100 125 150 175 resistive or inductive load t j =25 pulse width=300 s 1% duty cycle .1 .3 .5 .7 .9 1 .1 1 .3 1 .5 1 .7 1 .9 2 .1 .1 1 10 20 sk32-sk34 sk35-sk36 sk38-sk310 www.diode.kr diode semiconductor korea
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