ksd-d0q008-002 1 SDB540PH schottky barrier rectifier to-220f-2l 40v, 5a 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 SDB540PH 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 SDB540PH sdb540 to-220f-2l tube marking information product characteristics i f(av) 5a v rrm 40v v fm at 125 0.50v i fsm 120a auk = manufacture logo ? = control code of manufacture ymdd = date code marking -. y = year code -. m = monthly code -. dd = daily code sdb540 = specific device code pin configuration pin 1: cathode pin 2: anode auk ymdd sdb540
ksd-d0q008-002 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 40 v maximum average forward rectified current i f(av) 5 a 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 r th(j-c) 5.0 /w electrical characteristics characteristic symbol test condition min. typ. max. unit peak forward voltage drop v fm (1) i fm = 5a t j =25 - - 0.55 v t j =125 0.46 0.50 v reverse leakage current i rm (1) v r = v rrm t j =25 - - 0.5 ma t j =125 - - 100 ma note: (1) pulse test: t p 380 ? , duty cycle 2% SDB540PH
ksd-d0q008-002 3 SDB540PH electrical characteristic curves p d fig. 3 p f - i o fig. 1 i o - v f fig. 2 i r - v r fig. 4 c j - v r fig. 5 i fsm ? number of cycle fig. 6 i o derating - t c
ksd-d0q008-002 4 package outlin e dimension SDB540PH
ksd-d0q008-002 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. SDB540PH
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