rev. date: 13-may- 11 ksd-d6s014-000 www .auk.co.kr 1 of 5 SF20D400D2 ultrafast recovery rectifier ultrafast dual common-cathode rectifier general description the SF20D400D2 is an ultrafast rectifier. it has a low forward voltage drop and reverse recovery time (trr<30ns). the device is intended for use as a free-wheeling, clamping rectifier in a variety of switching power supplies and other power switching applications. features and benefits ? low forward drop voltage and low leakage current ? ultrafast reverse recovery time (trr<30ns) ? dual common-cathode rectifier construction ? full lead (pb)-free device and rohs compliant device applications ? switching power supply ? power inverters ? power conversion system ? dc/dc converter system ordering information part number marking code package packaging SF20D400D2 SF20D400D2 d2-pak tape & reel marking information pinning information pin description simplified outline graphic symbol 1 anode 2, 4 common-cathode 3 anode product characteristics i f(av) 2 x 10a v rrm 400v v fm at 125 1.25v t rr 30ns auk ymdd SF20D400D2 auk = manufacture logo = control code of manufacture ymdd = date code marking -. y = year code -. m = monthly code -. dd = daily code SF20D400D2 = specific device code pin 1 pin 2, 4 pin 3 d2-pak 4 1 2 3
rev. date: 13-may- 11 ksd-d6s014-000 www .auk.co.kr 2 of 5 absolute maximum ratings (limiting values at 25 ? c, unless otherwise specified) characteristic symbol ratings unit maximum repetitive reverse voltage maximum working peak reverse voltage maximum dc blocking voltage v rrm v rwm v r 400 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 ratings unit thermal resistance, junction to case per diode r th(j-c) 3.0 ? c/w total device 2.6 electrical characteristics characteristic symbol test condition min. typ. max. unit peak forward voltage drop v fm (1) i fm = 10a t j =25 - - 1.40 v t j =125 - - 1.25 reverse leakage current i rm (1) v r = v rrm t j =25 - - 20 ua t j =125 - - 200 reverse recovery time t rr i f = 1a, di/dt = -100 a/us - - 30 ns junction capacitance c j v r = 10v dc , f=1mhz - 65 - pf 1) pulse test: t p 380us, duty cycle2% SF20D400D2
rev. date: 13-may- 11 ksd-d6s014-000 www .auk.co.kr 3 of 5 rating & electrical characteristic curves fig. 3) maximum forward derative curve fig. 4) forward power dissipation (per diode) fig. 5) maximum non-repetitive peak forward surge current (per diode) ? SF20D400D2 fig. 1) typical forward characteristics (per diode) fig. 2) typical reverse characteristics (per diode) fig. 6) typical junction capacitance (per diode)
rev. date: 13-may- 11 ksd-d6s014-000 www .auk.co.kr 4 of 5 package outline dimensions unit: mm SF20D400D2 recommend pcb solder land (unit : mm)
rev. date: 13-may- 11 ksd-d6s014-000 www .auk.co.kr 5 of 5 the auk corp. products are intended for the use as components in general electronic equipment (office and communication e quipment, measuring 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 the welfare of human life(atomic energy control, airplane, spaceship, transportation, combustion control, all types of safet y device, etc.). auk corp. cannot accept liability to any damage which may occur in case these auk corp. products were used in the mentioned equi pments without prior consultation with auk corp.. specifications mentioned in this publicati on are subject to change without notice. SF20D400D2
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