mospec 1n5820m thru 1N5822M schottky barrier rectifiers using the schottky barrier principle with a molybdenum barrier metal. these state-of-the-art geomet ry features epitaxial construction with oxide passivation and metal overlay contact. ideally suited for low voltage, high frequency rectification, or as free wh eeling 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 esd: 8kv(min.) human-body model in compliance with eu rohs 2002/95/ec directives schottky barrier rectifiers 3.0 amperes 20-40 volts the marking is indicated by part no. with.?m? ex:1n5820m~1N5822M maximum ratings characteristic symbol 1n5820m 1n5821m 1N5822M unit peak repetitive reverse voltage working peak reverse voltage dc blocking voltage v rrm v rwm v r 20 30 40 v rms reverse voltage vr (rms) 14 21 28 v average rectifier forward current i o 3.0 a non-repetitive peak surge current (surge applied at rate load conditions half-wave, single phase,60hz ) i fsm 80 a operating and storage junction 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 electrial characteristics characteristic symbol 1n5820m 1n5821m 1N5822M unit maximum instantaneous forward voltage (i f =3.0 amp) (i f =9.0 amp) v f 0.475 0.850 0.550 0.970 v maximum instantaneous reverse current (rated dc voltage, t c = 25 ) (rated dc voltage, t c = 125 ) i r 0.5 20 ma typical thermal resistance junction to case r j-c 40 /w typical junction capacitance (reverse voltage of 4 volts & f=1 mhz) c p 210 190 pf 12 0 13 0 case--- transfer molded plastic polarity--- cathode indicated polarity band
1n5820m thru 1N5822M 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) 1n5820m 1n 5820m 1n5821m-1N5822M 1n5821m-1N5822M t j =25 o c t j =125 o c t j =75 o c fig-5 peak forward surge current peak forward surge current (amp.) number of cycles at 60 hz 8k-a
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