rev. date: 25-aug- 10 ksd-d6e009-001 www .auk.co.kr 1 of 5 ND181 switching diode small signal fast switching diode general description general-purpose switching diodes, fabricated in planar technology, and packaged in small sod-923 surface mounted device (smd) packages. features and benefits ? silicon epitaxial planar diode ? high switching speed: trr 4ns ? 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 ND181 j sod-923 tape & reel marking information pinning information pin description simplified outline graphic symbol 1 cathode 2 anode sod-923 j = specific device code = year & week code marking = color band denote cathode j
rev. date: 25-aug- 10 ksd-d6e009-001 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 85 v continuous reverse voltage v r 80 v maximum average forward rectified current i o 100 ma forward current (dc) i f 100 ma maximum repetitive peak forward current i fm 300 ma non-repetitive peak forwar d surge current(t=10ms) i fsm 2 a power dissipation 1) p d 100 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) 1250 ? 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 forward voltage 2) v f(1) i f =1ma - 0.6 - v v f(2) i f =10ma - 0.7 - v v f(3) i f =100ma - 0.9 1.2 v reverse leakage current 3) i r v r =80v - - 0.5 ua total capacitance c t v r =0v, f=1mhz - 2.2 4.0 pf reverse recovery time t rr i f =10ma (fig. 5) - 1.6 4.0 ns 2) pulse test: t p 380 ? , duty cycle2% 3) pulse test: t p 5?, duty cycle2% ND181
rev. date: 25-aug- 10 ksd-d6e009-001 www .auk.co.kr 3 of 5 rating and characteristic curves ND181 fig. 1) typical forward characteristics fig. 2) typical reverse characteristics fig. 4) reverse recovery time vs. forward current fig. 5) reverse recovery time equivalent test circuit fig. 3) typical total capacitance characteristics
rev. date: 25-aug- 10 ksd-d6e009-001 www .auk.co.kr 4 of 5 package outline dimensions recommend pcb solder land (unit : mm) ND181
rev. date: 25-aug- 10 ksd-d6e009-001 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. ND181
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