preliminary 1 SDB20200DI schottky barrier rectifier high voltage schottky rectifier features ? low forward voltage drop ? low power loss and high efficiency ? low leakage current ? dual common cathode rectifier ? halogen free and rohs compliant device applications ? high efficiency smps ? output rectification ? high frequency switching ? freewheeling ? dc-dc converter systems description the SDB20200DI has two schottky barriers arranged in a common cathode configuration and is ideally suited for a full wave output rectifier in low switching power supplies and dc to dc converters where small size and high reliability are required. ordering information device marking code package packaging SDB20200DI SDB20200DI to-252 tape & reel marking information product characteristics i f(av) 2 x 10a v rrm 200v v fm at 125 0.88v (max.) i fsm 120a to-252 pin configuration pin 1, 3: anode pin 2, 4: cathode SDB20200DI = specific device code yww = year & week code marking -. y = year code -. ww = week code SDB20200DI yww 1 2 , 4 3
preliminary 2 absolute maximum ratings (limiting values) characteristic symbol value unit maximum repetitive reverse voltage maximum working peak reverse voltage maximum dc blocking voltage v rrm v rwm v r 200 v maximum average forward rectified current per diode i f(av) 10 a total device 20 peak forward surge current 8.3ms single half sine-wave superimposed on rated load per diode i fsm 120 a storage temperature range t stg -55 to +150 maximum operating junction temperature t j 150 thermal characteristics characteristic symbol value unit maximum thermal resistance junction to case per diode r th(j-c) 6.0 /w total device 5.6 electrical characteristics (per diode) characteristic symbol test condition min. typ. max. unit peak forward voltage drop v fm (1) i fm = 10a t j =25 - - 0.95 v t j =125 - - 0.88 v reverse leakage current i rm (1) v r = v rrm t j =25 - - 20 ua t j =125 - - 10 ma junction capacitance c j v r = 10v dc , f=1mhz - 100 - pf note : (1) pulse test : t p 380 us , duty cycle 2% SDB20200DI
preliminary 3 rating and characteristic curves SDB20200DI ? fig. 1) typical forward characteristics (per diode) fig. 2) typical reverse characteristics (per diode) fig. 3) maximum forward derative curve fig. 6) typical junction capacitance (per diode) fig. 4) forward power dissipation (per diode) fig. 5) maximum non-repetitive peak forward surge current (per diode)
preliminary 4 package outlin e dimension SDB20200DI
preliminary 5 the auk corp. products are intended for the use as components in general electronic equipment (office and co mmunication equipment, m easuring equipment, home appliance, etc.). please make sure that you consult with us before you use these auk corp. products in equipments which require high quality and / or reliability, and in equipments which could have major impact to th e welfare of human life(atomi c energy control, airplane, spaceship, transportation, co mbustion control, all types of safety device, etc.). auk corp. cannot accept liability to any damage which may occur in case these auk corp. products were used in the mentioned equipm ents without prior consultation with auk corp.. specifications mentioned in this publicati on are subject to change without notice. SDB20200DI
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