bd404n thru BD404P 40 amp block diodes features block diode . .high current capability . ? .high voltage available . ???? .glass passivated die construction . ? .high surge current capability .40 a ?? 125 , ? . 40ampere operation at tl=125 with no thermal runaway mechanical data .bd404n ? bd404-n n-lead ,p-case .BD404P ? bd404-p p-lead ,n-case dimension in millimeters ?? ta= 25 . , ? ,60hz, . ?? , ? 20% maximum ratings and elec trical characteristics rating at 25 ambient temp. unless otherwise specified.single phase, half sine wave, 60hz,resistive or inductive load. for capacitive load, derate current by 20% symbol bd404n BD404P units ?? maximum current peak reverse voltage v rrm 400 400 volts ? maximum rms voltage v rms 280 280 volts ??? maximum dc blocking voltage v dc 400 400 volts ? t l =100 maximum average forward rectified current i( av ) 40 amps ?? peak forward surge current 8.3ms single sine-wave on rated load (jedec method) i fsm 400 amps 40a ???? maximum instantaneous forward voltage dro p at 40a dc v f 1.1 volts ? maximum dc reverse current t a =25 at rated dc blocking voltage t a =100 i r 5 500 ua typical thermal resistance r ja 1.0 /w ??? operating and storage temperature range t stg/ t j -55 to +150 www.shunyegroup.com.cn
rating andcharacteristic curves bd404n thru BD404P fig. 1 ? ??!7 ?g
+ #l!nq fig. 1 ?maximum average forward current derating fig. 2 ? ??m2g?!7 ?#>#`+ # fig. 2 ?maximum non-repetitive forward surge current fig. 3 ? ? ?(m? ?4? ( l
_ ) fig. 3 ? typica reverse characteristics fig. 4? !7 ?(m? ?4? ( l
_ ) fig.4 ? typica forward characteristics www.shunyegroup.com.cn
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