low cost diffused junction low leakage low forward voltage drop high current capability case:jedec do--41,molded plastic 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 voltage range: 200 --- 1000 v current: 0.5 a easily cleaned with freon alcohol,isopropanol and similar solvents do - 41 200 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 BYD31D-byd31m fast recovery rectifiers features m echani cal d ata http://www.luguang.cn mail:lge@luguang.cn
0.6 t j =25 pulse width=300 s 0.4 0.04 0.01 0.02 0.06 0.1 0.2 2 1.0 4 100 10 0.8 1.0 1.2 1.4 2.0 1.6 1.8 0 1 100 10 5 t j =125 8.3ms single half sine-wave 25 20 15 10 si ngl e phase hal f wave 60h z resi sti ve or inductive load 0 0.1 0.2 0.3 0.4 0.5 0.6 0 20 40 60 80 100 120 140 160 180 200 pulse generator (note2) d.u.t. 1 n.1. 50 n.1. oscilloscope (note 1) (+) 50vdc (approx) (-) 10 n.1. (-) (+) -1.0a -0.25a 0 +0.5a t rr 1cm amperes amperes amperes junction capacitance,pf peak forward surge current instantaneous forward current set time base for 50/100 ns /cm ambient temperature, number of cycles at 60 hz notes:1.rise time =7ns max. input impedance=1m .22pf fi g. 1 -- reverse recovery ti me characteri sti c and test ci rcui t di agram fi g. 2 --forward derati ng curve instantaneous forward voltage,volts reverse voltage,volts fi g. 4--typi cal forward characteri sti c fig.5-- typical junction capacitance 2.rise time=10ns max. source impedance=5o average forward current fi g. 3 --peak forward surge current .2 t j =25 f=1mhz 1 .1 2 4 .4 1.0 2 14 10 12 16 10 4 10 20 40 100 BYD31D-byd31m fast recovery rectifiers ratings and charactieristic curves http://www.luguang.cn mail:lge@luguang.cn
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