ksd-d0q032-002 1 SDB1545PH schottky barrier rectifier to-220f-2l 45v, 15a power schottky rectifier features ? low forward voltage drop ? low power loss and high efficiency ? low leakage current ? high surge capability ? full lead (pb)-free and rohs compliant device applications ? high efficiency smps ? output rectification ? high frequency switching ? freewheeling ? dc-dc converter systems description the SDB1545PH is suited for switch mode power supply and high frequency dc to dc converters. this device is especially intended for use in low voltage, high frequency inverters, free wheeling and polarity protection applications. ordering information device marking code package packaging SDB1545PH sdb1545 to-220f-2l tube marking information product characteristics i f(av) 15a v rrm 45v v fm at 125 0.58v i fsm 210a auk ymdd sdb20d45 auk ymdd sdb1545 auk ymdd sdb20d45 auk ymdd sdb1545 auk = manufacture logo ? = control code of manufacture ymdd = date code marking -. y = year code -. m = monthly code -. dd = daily code sdb1545 = specific device code pin configuration pin 1: cathode pin 2: anode
ksd-d0q032-002 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 45 v maximum average forward rectified current i f(av) 15 a 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 -55 to +150 maximum operating junction temperature t j 150 thermal characteristics characteristic symbol value unit maximum thermal resistance junction to case r th(j-c) 4.0 /w electrical characteristics 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) SDB1545PH 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-d0q032-002 3 rating and characteristic curves ? SDB1545PH fig. 1) typical forward characteristics fig. 2) typical reverse characteristics fig. 3) maximum forward derative curve fig. 6) typical junction capacitance fig. 4) forward power dissipation fig. 5) maximum non-repetitive peak forward surge current
ksd-d0q032-002 4 package outlin e dimension SDB1545PH
ksd-d0q032-002 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. SDB1545PH
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