low cost diffused junction low leakage low forward voltage drop case:jedec do--27,molded plastic polarity: color band denotes cathode weight: 0.041ounces,1.15 grams mounting position: any ratings at 25 ambient temperature unless otherwise specified. single phase,half wave,50hz,resistive or inductive load. for capacitive load,derate by 20%. units maximum recurrent peak reverse voltage v rrm v ma x imu m rms v olt ag e v rms v maximum dc blocking voltage v dc v maximum average f orw ard rectif ied 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 @ i f =1.6a 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 2. measured at 1.0mh z and applied rev erse v oltage of 4.0v dc. i f(av) 3. thermal resistance f rom junction to ambient. a i fsm i r a a note: 1. measured with i f =0.5a, i r =1a, i rr =0.25a. 70 200 140 0.98 1.6 125.0 100 200 easily cleaned with alcohol,isopropanol and similar solvents do - 27 100 maximum ratings and electrical characteristics 31DF1 31df2 high current capability voltage range: 100 --- 200 v current: 1.6 a - 55 ----- + 150 - 55 ----- + 150 5.0 50.0 30 90 34 dimensions in millimeters 31DF1-31df2 super fast rectifiers features m echani cal d ata http://www.luguang.cn mail:lge@luguang.cn
amperes average forward current amperes instantaneous forward current fi g. 1 -- test ci rcui t di agram and reverse recovery ti me characteri sti c set tim e base for 10 ns/cm notes:1.rise time = 7ns max.input impedance =1m . 22pf. jjjj 2.rise tim e =10ns max.source impedance=50 . instantaneous forward voltage, volts fig.2 -- typical forward characteristic fig.3 -- forward derating curve ambient temperature, fig.4-- typical junction capacitance fi g. 5-- peak forword surge current peak forword surge current amperes number of cycles at 60h z reverse voltage, volts junction capacitace, pf 50 0 25 75 125100 150 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 singl e phase hal f w ave 60h z resisti ve or inductive load 0.375"(9.5mm)lead length 0.1 1.0 10 100 0.2 0.4 0.6 0.8 1.0 1.2 1.4 t j =25 pulse width=300 s 0.2 0.4 2.0 4.0 20 40 pulse generator (note2) d.u.t. 1 nonin- ductive 50 n 1. 10 n1. oscilloscope (note 1) (+) 25vdc (approx) (-) t rr -1.0a -0.25a 0 +0.5a 1cm t j =25 f=1.0mhz 10 20 40 60 100 200 400 600 1000 0.1 0.2 0.4 1 2 4 10 40 100 20 0 50 11 0 100 75 8.3ms single half sine-w ave 125 100 25 150 5 50 31DF1-31df2 super fast rectifiers ratings and charactieristic curves http://www.luguang.cn mail:lge@luguang.cn
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