ksd-d0o002-001 1 SDB2040PI schottky barrier rectifier to-220f-3l low voltage schottky rectifier features ? low forward voltage drop and leakage current ? low power loss and high efficiency ? esd capability ? dual common cathode rectifier ? full lead (pb)-free and rohs compliant device applications ? power supply - output rectification ? high efficiency smps ? free-wheeling diode ? reverse battery protection ? dc to dc systems description the SDB2040PI 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 SDB2040PI sdb2040 to-220f-3l tube marking information product characteristics i f(av) 2 x 10a 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 sdb2040 = specific device code auk ymdd sdb2040 pin configuration pin 1, 3 : anode pin 2 : cathode 1 2 3 1 2 3 1 2 3
ksd-d0o002-001 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 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 -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 3.5 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 - - 0.55 v t j =125 - - 0.50 v reverse leakage current i rm (1) v r = v rrm t j =25 - - 1.5 ma t j =125 - - 150 ma junction capacitance c j v r = 10v dc , f=1mhz - 600 - pf 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) + 0.015 i f 2 (rms) SDB2040PI 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-d0o002-001 3 rating and characteristic curves ? SDB2040PI 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-d0o002-001 4 package outlin e dimension SDB2040PI
ksd-d0o002-001 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. SDB2040PI
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