g??a f r 3 0 9 o?^?uf g??a f r 3 0 9 o?^?uf fr301 thru FR309 fast recovery rectifier reverse voltage: 50 to 1400 volts forward current:3.0amperes features mechanical data maximum ratings and electrical characteristics case : jedec do-201ad molded plastic body terminals : plated axial leads, solderable per mil-std-750,method 2026 polarity : color band denotes cathode end mounting position : any weight : 0.041 ounce,1.18 grams note : 1.test conditions: i f= 0.5a,i r =1.0a,i rr =0.25a. (rating at 25 c ambient temperature unless otherwise specified.single phase ,half wave ,60h z ,resistive or inductive load. for capacitive load,derate current by 20%.) 2.measured at 1mh z and applied reverse voltage of 4.0 volts. fast switching low leakage low forward voltage drop high current capability high current surge high reliability maximum recurrent peak reverse voltage v rrm v olts v olts v olts v olts a a mps a mps v rms v dc i (av) i fsm t stg v f i r t rr c j maximum rms voltage maximum dc blocking voltage maximum average forward rectified current 0.375"(9.5mm)lead length at t a =75 c maximum instantaneous forward voltage at 3.0a operating junction and storage temperature range maximum reverse recovery time(note1) typical junction capacitance(note2) maximum dc reverse current at rated dc blocking voltage t a =25 c t a =55 c symbols type number units -65 to+150 150 150 65 200 10 c t j 50 50 35 100 100 70 200 200 140 400 400 280 600 600 420 800 800 560 200 1.3 ns fr 301 fr 302 fr 303 fr 304 fr 305 fr 306 3.0 peak forward surge current 8.3ms single half sine-wave superimposed on rated load (jedec method) do-201ad dimensions in inches and (millimeters) p f 1200 1200 840 fr 308 1000 1000 700 fr 307 1300 1300 910 fr 309 xin semiconductor iso9002
ratingsand characteristic curves fr301 thru FR309 fig.1-typical forward current derating curve fig.2-maximum non-repetitive forward surge current fig.3-typical instantaneous forward characteristics average forward current (a) instantaneous forward current( amperes) peak forward surge current(amperes) instantaneous forward voltage (volts) reverse voltage. (v) set time base for 50/100 ns/cm ambient temperature ( c) t j =25 c fig.4-typical junction capacitance fig.5-test circuit diagram and reverse recovery time characteristic junction capacitance(pf) t j =25 c single phase half wave 60h z resistive or inductive load pulse width=300 s 1% duty cycle number of cycles at 60hz 8.3ms single half sine-wave (jedec method) pulse generator (note2) noninductive oscilloscope (note1) d.u.t. noninductive nonin- ductive 50 25vdc (approx) 10 1 notes:1.rise time=7ns max. input impedance=1 megohm 22pf 2.rise time=10ns max.source impedance= 50 ohms
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