ksd-d0o028-002 1 SDB3045PI schottky barrier rectifier dual common cathode schottky rectifier features ? low forward voltage drop and leakage current ? low power loss and high efficiency ? high surge capacity ? dual common cathode rectifier ? full lead (pb)-free and rohs compliant device applications ? power supply - output rectification ? converter ? free-wheeling ? reverse battery protection ? power inverters description the SDB3045PI has two schottky barriers arranged in a common cathode configuration. typical applications are in switching power supplies, converters, free-wheeling diodes, and reverse battery protection. ordering information device marking code package packaging SDB3045PI sdb3045 to-220f-3l tube marking information auk ymdd sdb20d45 auk ymdd sdb3045 auk ymdd sdb20d45 auk ymdd sdb3045 1 3 2 pin 1, 3: anode pin2: cathode to-220f-3l product characteristics i f(av) 2 x 15a v rrm 45v v fm at 125 0.58v i fsm 210a 1 2 3 auk = manufacture logo ? = control code of manufacture ymdd = date code marking -. y = year code -. m = monthly code -. dd = daily code sdb3045 = specific device code
ksd-d0o028-002 2 absolute maximum ratings (limiting values, per diode) characteristic symbol value unit maximum repetitive reverse voltage maximum working peak reverse voltage maximum dc blocking voltage v rrm v rwm v r 45 v maximum average forward rectified current per diode i f(av) 15 a total device 30 peak forward surge current 8.3ms single half sine-wave superimposed on rated load per diode i fsm 210 a storage temperature range t stg -45 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) 4.0 /w total device 3.4 electrical characteristics (per diode) characteristic symbol test condition min. typ. max. unit peak forward voltage drop v fm (1) i fm = 15a t j =25 - - 0.65 v t j =125 - 0.55 0.58 v reverse leakage current i rm (1) v r = v rrm t j =25 - - 0.5 ma t j =125 - - 50 ma note : (1) pulse test : t p 380 ? , duty cycle 2% to evaluate the conduction losses us e the following equation (fig 4.) : p f = 0.35 x i f(av) + 0.012 i f 2 (rms) SDB3045PI i fm 2 i f(av) i f(av) v fm forward voltage : v fm = v to + rd i fm conduction loss : p f = v to i f(av) + rd i f 2 (rms) rd v to
ksd-d0o028-002 3 rating and characteristic curves ? SDB3045PI 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)
ksd-d0o028-002 4 package outlin e dimension SDB3045PI
ksd-d0o028-002 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. SDB3045PI
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