(see reverse side) r1 cn645 thru cn649 glass passivated junction general purpose diode do-41sp case data shee t description the central semiconductor cn645 series types are glass passivated junction general-purpose diodes, which are well constructed, highly reliable components designed for use in all types of commercial, industrial, entertainment, computer and automotive applications. maximum ratings (t a =25c unless otherwise noted) symbol cn645 cn646 cn647 cn648 cn649 units peak working reverse voltage v rwm 225 300 400 500 600 v average forward current i o 400 ma average forward current (t a =150c) i o 150 ma peak forward surge current i fsm 3.0 a power dissipation p d 600 mw operating and storage junction temperature t j ,t stg -65 to 150 c electrical characteristics (t a =25c unless otherwise noted) cn645 cn646 cn647 cn648 cn649 symbol test conditions min max min max min max min max min max units v br i r =100a, t a =100c 275 360 480 600 720 v i r v r =rated v rwm, t a =100c 15 15 20 20 25 a i r v r =rated v rwm 0.2 0.2 0.2 0.2 0.2 a v f if=400ma 1.0 1.0 1.0 1.0 1.0 v c t v r =12v, f=1.0mhz 11 typ 11 typ 11 typ 11 typ 11 typ pf
cn645 series glass passivated, general purpose diode do-41sp package - mechanical outline c b d d a r1 min max min max a 0.021 0.025 0.53 0.64 b 0.160 0.205 4.06 5.21 c 0.080 0.107 2.03 2.72 d 1.000 - 25.40 - do-41sp (rev: r1) dimensions symbol inches millimeters
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