features low cost diffused junction low leakage low f o r w a r d v o l t a g e d r op high current capability mechanical data case:jedec do--41,molded plastic terminals: axial lead ,solderable per mil- std-202,method 208 polarity: color band denotes cathode weight: 0.012ounces,0.34 grams mounting pos ition: any ratings at 25 ambient temperature unless otherwise specified. single phase,half wave,50hz,resistive or inductive load. for capacitive load,derate by 20%. byd 31k byd 31m units maximum recurrent peak reverse voltage v rrm 800 1000 v max imum rms v oltage v rms 560 700 v maximum dc blocking voltage v dc 800 1000 v maximum average forw ard rectified current 9.5mm lead length, @t a =75 peak forw ard surge current 10ms single half-sine-w ave superimposed on rated load @t j =125 maximum instantaneous forw ard voltage @ 0.5 a v f v maximum reverse current @t a =25 at rated dc blocking voltage @t a =100 maximum reverse recovery time (note1) t rr ns 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 note: 1. measured with i f =0.5a, i r =1a, i rr =0.25a. 3. thermal resistance f rom junction to ambient. maximum ratings and electrical characteristics 400 280 b y d 31 d (z) - - - b y d 3 1 m (z) voltage range: 200 --- 1000 v current: 0.5 a easily cleaned with freon alcohol,isopropanol and similar solvents fast recovery rect ifiers d o - 4 1 200 byd 31g byd 31j 600 140 byd 31d 600 200 200 420 i fsm i r 1.35 100.0 15.0 2. measured at 1.0mhz and applied rev erse v oltage of 4.0v dc. 250 i f(av) -55 ---- + 150 12 a a 5.0 a 55 0.5 - 55 ---- + 150 dimensions in millimeters www.diode.kr diode semiconductor korea
0 . 6 t j =25 pulse width=300 www.diode.kr diode semiconductor korea
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