rev. date: 18-aug- 10 ksd-d6b001-002 www .auk.co.kr 1 of 5 SDB1040 schottky rectifier diode schottky barrier rectifier general description the SDB1040 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 SDB1040 1a4 sod-123 tape & reel marking information pinning information pin description simplified outline graphic symbol 1 cathode 2 anode sod-123 1a4 = specific device code = year & week code marking = color band denote cathode 1a4
rev. date: 18-aug- 10 ksd-d6b001-002 www .auk.co.kr 2 of 5 absolute maximum ratings (t amb =25 , unless otherwise specified) characteristic symbol ratings unit peak reverse voltage v rm 40 v dc reverse voltage v r 40 v average forward rectified current i o 1 a peak forward surge current 10ms single half sine-wave i fsm 30 a operating junction temperature t j 150 ? c storage temperature range t stg -55 ~ 150 ? c electrical characteristics (t amb =25 , unless otherwise specified) characteristic symbol test condition min. typ. max. unit forward voltage 1) v f i f =10ma - 0.5 0.55 v reverse leakage current 2) i r v r =40v - - 200 ? a total capacitance c t v r =10v, f=1mhz - 50 - pf 2) pulse test: t p 380 ? , duty cycle2% 3) pulse test: t p 5?, duty cycle2% SDB1040
rev. date: 18-aug- 10 ksd-d6b001-002 www .auk.co.kr 3 of 5 rating and characteristic curves SDB1040 fig. 3) typical total capacitance characteristics fig. 4) forward power dissipation characteristics fig. 1) typical forward characteristics fig. 2) typical reverse characteristics
rev. date: 18-aug- 10 ksd-d6b001-002 www .auk.co.kr 4 of 5 package outline dimensions recommend pcb solder land (unit : mm) SDB1040
rev. date: 18-aug- 10 ksd-d6b001-002 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. SDB1040
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