rev. date: 25-aug- 10 ksd-d5c052-000 www .auk.co.kr 1 of 5 SDS21WAF switching diode high voltage switching diode general description dual general-purpose switching diodes, fabricated in planar technology, and packaged in small sot-23f surface mounted device (smd) packages. features and benefits ? silicon epitaxial planar diode ? high switching speed ? low forward drop voltage and low leakage current ? ?green? device and rohs compliant device ? available in full lead (pb)-free device applications ? ultra high speed switching application ordering information part number marking code package packaging SDS21WAF j2a sot-23f tape & reel marking information pinning information pin description simplified outline graphic symbol 1 cathode (diode 1) 2 cathode (diode 2) 3 common anode j2a = specific device code = year & week code marking sot-23f j2a
rev. date: 25-aug- 10 ksd-d5c052-000 www .auk.co.kr 2 of 5 absolute maximum ratings (t amb =25 , unless otherwise specified) characteristic symbol ratings unit maximum repetitive peak reverse voltage v rm 250 v continuous reverse voltage v r 200 v maximum average forward rectified current i o 200 ma maximum repetitive peak forward current i fm 400 ma non-repetitive peak forwar d surge current(t=10ms) i fsm 1.7 a power dissipation 1) p d 250 mw 1) device mounted on fr-4 board with recommended pad layout. thermal characteristics (t amb =25 , unless otherwise specified) characteristic symbol ratings unit thermal resistance, junction to ambient 1) r th(j-a) 500 ? c/w operating junction temperature t j 150 ? c storage temperature range t stg -55 ~ 150 ? c 1) device mounted on fr-4 board with recommended pad layout. electrical characteristics (t amb =25 , unless otherwise specified) characteristic symbol test condition min. typ. max. unit reverse breakdown voltage v br i f =100ua 250 - - v forward drop voltage 2) v f i f =100ma - - 1.0 v i f =200ma - - 1.25 v reverse leakage current 3) i r v r =200v - - 100 na v r =200v, ta=150 - - 100 ua total capacitance c t v r =0v, f=1mhz - - 5 pf reverse recovery time t rr i f =i r =30ma, i rr =3ma, r l =100 ? - - 50 ns 2) pulse test: t p 380 ? , duty cycle2% 3) pulse test: t p 5?, duty cycle2% SDS21WAF
rev. date: 25-aug- 10 ksd-d5c052-000 www .auk.co.kr 3 of 5 rating and characteristic curves SDS21WAF fig. 1) typical forward characteristics fig. 2) typical reverse characteristics fig. 4) power dissipation vs. ambient temperature fig. 5) reverse recovery time equivalent test circuit fig. 3) typical total capacitance characteristics
rev. date: 25-aug- 10 ksd-d5c052-000 www .auk.co.kr 4 of 5 package outline dimensions SDS21WAF recommend pcb solder land (unit : mm)
rev. date: 25-aug- 10 ksd-d5c052-000 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. SDS21WAF
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