features for surface mounted applications metal-semiconductor junction with guarding epitaxial construction very low forward votage drop high current capability plastic material has ul flammability classification 94v-0 for use in lowvoltage, high frequency inverters, free wheeling, and polarity protection applications. mechanical data case molded plastic polarity:color band denotes cathode weight: 0.007 ounces,0.21 grams maximum ratings and electrical characteristics rating at 25 ambient temperature unless otherwise specified. single phase, half wave ,60hz, resistive or inductive load. for capacitive load, derate current by 20% characteristics symbol ss32 ss33 ss34 ss35 ss36 ss38 SS310 unit maximum recurrent peak reverse voltage v rrm 20 30 40 50 60 80 100 v maximum rms voltage v rms 14 21 28 35 42 56 70 v maximum dc blocking voltage v dc 20 30 40 50 60 80 100 v maximum average forward rectified current @t l =100 peak forward surage current 8.3ms single half sine-wave super imposed on rated load (jedec method) maximum forward voltage at 3.0a dc v f 0.45 0.55 0.6 v maximum dc reverse current @t j =25 at rated dc blocking voltage @t j =100 typical junction capacitance (note1) c j pf typical thermal resistance (note2) r jl /w typical thermal resistance (note3) r ja /w operating temperature range t j storage temperature range t stg 250 10 ss32 thru SS310 a reverse voltage - 20 to 100 volts forward current - 3.0 amperes 3.0 20 i fsm a ma i r 0.7 3.thermal resistance junction to ambient. ~ 169 ~ 2.thermal resistance junction to lead. 50 surface mount schottky barrier rectifiers dimensions in inches and (millimeters) notes:1.measured at 1.0 mhz and applied reverse voltage of 4.0v dc. i (av) 80 0.85 -55 to + 150 -55 to + 150 1.0 .108(2.75) .128(3.25) .245(6.22) .220(5.59) .280(7.11) .260(6.60) .012(.305) .006(.152) .002(.051) .008(.203) .320(8.13) .305(7.75) .079(2.00) .103(2.62) .060(1.52) .030(0.76) smc
rating and charactertic curves ss32 thru SS310 ~ 170 ~ fig.5-typical reverse characteristics percent rated peak reverse voltage,(%) i n s t a n t a n e o u s r e v e r s e c u r r e n t , ( m a ) 100 10 1.0 0.1 0.01 0.001 0 20 40 60 80 100 120 140 t j = 125 t j = 25 t j = 100 lead temperature fig. 1 - forward current derating curve a v e r a g e f o r w a r d c u r r e n t a m p e r e s 25 50 75 100 125 150 175 4.0 1.0 0 5.0 3.0 2.0 single phase half wave 60hz resistive or inductive load c a p a c i t a n c e p f reverse voltage,volts fig.4-typical junction capacitance 0.1 1000 100 10 1.0 4.0 10.0 100 t j =25 f=1mh z fig.2 - maximum non-repetitive surge current p e a k f o r w a r d s u r g e c u r r e n t , a m p e r e s number of cycles at 60hz 1 2 5 10 20 50 100 120 20 0 80 100 60 40 pulse width 8.3ms single half-sine-wave (jedec method) i n s t a n t a n e o u s f o r w a r d c u r r e n t , ( a ) fig.3-typical forward characteristics instantaneous forward voltage, (volts) 1.0 0.1 10 0.1 0.3 0.9 0.5 1.1 1.7 0 0.7 1.3 1.5 20 ss35-ss36 ss33 ss34 ss38-SS310 ss32
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