mospec MBR20200CK schottky barrier rectifiers using the schottky barrier principle with a refractory metal capable of high temperature operation metal. the proprietary barrier technology allows for reliable operation up to 175 junction temperature. ty pical 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. 175 operating junction temperature low stored charge majority carrier conduction. plastic material used carries underwriters laboratory flammability classification 94v-o in compliance with eu rohs 2002/95/ec directives schottky barrier rectifiers 20 amperes 200 volts maximum ratings characteristic symbol MBR20200CK unit peak repetitive reverse voltage working peak reverse voltage dc blocking voltage v rrm v rwm v r 200 v rms reverse voltage v r(rms) 140 v average rectifier forward current ( per diode ) total device (rated v r ),t c =125 i f(av) 10 20 a peak repetitive forward current (rate v r , square wave, 20khz) i fm 20 a non-repetitive peak surge current (surge applied at rate load conditions halfware, single phase, 60hz) i fsm 150 a operating and storage junc tion temperature range t j , t stg -65 to +175 to-220ab millimeters dim min max a 14. 68 1 5 . 3 2 b 9.78 10.42 c 5.02 6.52 d 13.06 14.62 e 3.57 4.07 f 2.42 2.66 g 1.12 1.36 h 0.72 0.96 i 4.22 4.98 j 1.14 1.38 k 2.20 2.98 l 0.33 0.55 m 2.48 2.98 o 3.70 3.90 thermal resistances typical thermal resistance junction to case r jc 3.8 /w electrial characteristics characteristic symbol MBR20200CK unit maximum instantaneous forward voltage ( per diode ) ( i f =10 amp t c = 25 ) ( i f =10 amp t c = 125 ) v f 0.95 0.85 v maximum instantaneous reverse current ( rated dc voltage, t c = 25 ) ( rated dc voltage, t c = 125 ) i r 0.01 10 ma
MBR20200CK 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) reverse voltage (volts) reverse voltage (volts) t j =125 o c t j =25 o c t j =75 o c fig-5 peak forward surge current peak forward surge current (amp.) number of cycles at 60 hz 5l-a
|
