features metal-semiconductor junction with guard ring epitaxial construction low forward voltage drop,low switching losses high surge capability mechanical data case:jedec do--15,molded plastic terminals: axial lead ,solderable per mil- std-750,method 2026 polarity: color band denotes cathode weight: 0.014ounces,0.39 grams mounting position: any ratings at 25 ambient temperature unless otherwise specified. single phase,half wave,60 hz,resistive or inductive load. for capacitive load,derate by 20%. SB280 sb290 sb2a0 units max imum r ec u r r ent pea k r e v er s e v olt a ge v rrm max imum rms v o lt a ge v rms maximum dc blocking voltage v dc maximum average f orw ard rectif ied current 9.5mm lead length, @t a =75 peak f orw ard surge current 8.3ms single half -sine-w ave superimposed on rated load @t j =125 maximum reverse current @t a =25 at rated dc blocking voltage @t a =100 typical junction capacitance (note2) c j pf typical thermal resistance (note3) r ja /w operating junction temperature range t j storage temperature range t stg 250 maximum instantaneous forw ard t j =25 voltage @ 2 .0a ( n o t e 1 ) tj=100 v f 20.0 0.5 v 6 0.0 sb270 2.0 3.thermal resistance junction to ambient ma i r i fsm note: 1. pulse test:300us pulse width,1% duty cy cle. 2. measured at 1.0mhz and applied rev erse v oltage of 4.0v dc. a 2 0 - 55 ---- + 125 - 55 ---- + 150 sb270 ---sb2a0 a for use in low voltage,high frequency inverters free xxxx wheeling,and polarity protection applications i f(av) schottky barrier rectifier voltage range: 70 --- 100 v current: 2.0 a do - 15 t he plastic ma terial ca rri es u/l re cogniti on 94 v-0 maximum ratings and electrical characteristics galaxy electrical www.galaxycn.com bl document number 0266023 1 . bl galaxy electrical 70 80 90 100 v 70 80 90 100 v 49 56 63 70 v 0.79 0.69
0.01 50 0.1 1 .3 .4 .5 .6 .7 .8 .9 1.0 1.1 10 pulse width=300 s 1% duty cycle www.galaxycn.com document number 0266023 2 . amperes amperes amperes capacitance,pf fig.4 -- typical junction capacitance instantaneous forward current sb270 --- sb2a0 lead temperature, number of cycles at 60hz instantaneous forward voltage, volts fig.1 -- forward current derating curve fig.2 -- peak forward surge current ratings and characteristic curves average forward rectified current fig.3 -- typical instantaneous forward xxxxxxxxx---- characteristics peak forward surge current reverse voltage,volts t j =25 ?? f=1.0mhz vsig=50mvp-p 10 100 400 0.1 1 10 100 0 48 1 24 60 36 12 t j =t j max 8.3ms single half sine-wave 100 10 0 25 50 75 100 125 150 0 175 resistive or inductive load 0.375"(9.5mm) lead length 1.0 2.0 0.5 1.5 bl galaxy electrical
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