rev. date: 14-sep- 10 ksd-d6b037-000 www .auk.co.kr 1 of 5 SDB0540 schottky rectifier diode schottky barrier rectifier general description the SDB0540 surface mounted schottky rectifier has been designed for applications requiring low forward drop and very small foot prints on pc boards. typical applications are in disk drives, switching power supplies, converters, free-wheeling diodes, battery charging, and reverse battery protection. features and benefits ? low forward drop voltage and low reverse leakage current ? low power rectified ? ?green? device and rohs compliant device ? available in full lead (pb)-free device applications ? portable equipment battery applications ? switching mode power supplies applications ordering information part number marking code package packaging SDB0540 540 sod-123 tape & reel marking information pinning information pin description simplified outline graphic symbol 1 cathode 2 anode sod-123 540 = specific device code = year & week code marking = color band denote cathode 540
rev. date: 14-sep- 10 ksd-d6b037-000 www .auk.co.kr 2 of 5 absolute maximum ratings (t amb =25 , unless otherwise specified) characteristic symbol ratings unit reverse voltage v rrm, v r, v rwm 40 v repetitive peak forward current i frm 1) 1 a forward current i o 0.5 a non-repetitive peak forw ard current (10ms) i fsm 5.5 a operating junction temperature t j -55~150 ? c storage temperature, operating case t stg -55~150 ? c * 1) ? = d/t =0.33 (t<1s) electrical characteristics (t amb =25 , unless otherwise specified) characteristic symbol test condition min. typ. max. unit forward voltage 2) v f (1) i f =0.5a - - 0.51 v v f (2) i f =1.0a - - 0.62 v reverse leakage current 3) i r v r =40v - - 20 ? a total capacitance c t v r =40v, f=1mhz - 14 - pf 2) pulse test: t p 380 ? , duty cycle2% 3) pulse test: t p 5a, duty cycle2% SDB0540
rev. date: 14-sep- 10 ksd-d6b037-000 www .auk.co.kr 3 of 5 rating and characteristic curves SDB0540 fig. 3 capacitance fig. 1 forward voltage characteristics fig. 2 reverse chara cteristics
rev. date: 14-sep- 10 ksd-d6b037-000 www .auk.co.kr 4 of 5 package outline dimensions recommend pcb solder land (unit : mm) SDB0540
rev. date: 14-sep- 10 ksd-d6b037-000 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 hum an life(atomic 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 c onsultation with auk corp.. specifications mentioned in this publicati on are subject to change without notice. SDB0540
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