mospec SR3150 schottky barrier rectifiers using the schottky barrier principle with a refractory metal capable of high temperature operation me tal. proprietary barrier technology allows for reliable operation up to 150 junction temperature. typical application are in switching mode power supplies such as adaptors, dc/dc converters free-wheeling and polarity protection diodes. features low forward voltage. low switching noise. high current capacity guarantee reverse avalanche. guard-ring for stress protection. low power loss & high efficiency. 150 operating junction temperature low stored charge majority carrier conduction. plastic material used carries underwriters laboratory flammability classification 94v-o moisture sensitivity level: msl-1 in compliance with eu rohs 2002/95/ec directives the markin g is indicated b y p art no. with. ?m?. ex:SR3150m schottky barrier rectifiers 3.0 amperes 150 volts maximum ratings characteristic symbol SR3150 unit peak repetitive reverse voltage working peak reverse voltage dc blocking voltage v rrm v rwm v r 150 v rms reverse voltage v r(rms) 105 v average rectifier forward current i o 3.0 a non-repetitive peak su rge current (surge applied at rate load conditions halfware, single phase, 60hz) i fsm 75 a operating and storage j unction temperature range t j , t stg -65 to +150 do-201ad millimeters dim min max a 5.00 5.60 b 25.40 --- c 7.20 9.50 d 1.20 1.30 electrial characteristics characteristic symbol SR3150 unit maximum instantaneous forward voltage ( i f =3.0 amp.) v f 0.95 v maximum instantaneous reverse current ( rated dc voltage, t c = 25 ) ( rated dc voltage, t c = 125 ) i r 0.01 10 ma maximum thermal resistance junction to case r jc 55 /w typical junction capacitance ( reverse voltage of 4 volts & f=1 mhz ) c p 150 p f case--- transfer molded plastic polarity--- cathode indicated polarity band
SR3150 fig-1 forward current derating curve fig-2 typical forward characterisitics average forward rectified current (amp.) nstantaneous forward current (amp.) case temperature ( ) forward voltage (volts) fig-3 typical reverse characteristics fig-4 typical junction capacitance instantaneous reverse current (ma.) junction capacitance ( p f) percent of rated reverse voltage ( ) reverse voltage (volts) t j =25 o c t j =75 o c t j =125 o fig-5 peak forward surge current peak forward surge current (amp.) number of cycles at 60 hz 5k-a
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