sf31g thru SF38G glass passivated super fast rectifier reverse voltage: 50 to 600 volts forward current:3.0amperes mechanical data maximum ratings and electrical characteristics (rating at 25 c ambient temperature unless otherwise specified ,single phase ,half wave ,60hz,resistive or inductive load. for capacitive load,derate current by 20%.) note : 1.reverse recovery test conditions: i 0.5a,i =1.0a,i =0.25a. f= r rr 2.measured at 1mh and applied reverse voltage of 4.0 volts. z r semiconductor features maximum repetitive peak reverse voltage v rrm v rms v dc i (av) i fsm t stg v f i r maximum rms voltage maximum dc blocking voltage maximum average forward rectified current 0 375 9 5mm lead length t =55 c . ''( . ) @ a maximum instantaneous forward voltage at 3.0 a operating temperature range maximum reverse recovery time(note1) maximum dc reverse current at rated dc blocking voltage peak forward surge current 8.3ms single half sine-wave superimposed on rated load jedec method () -55 to+150 100 35 35 5.0 r ja 50 50 35 100 100 70 200 200 140 80 0.95 1.3 trr 3.0 symbols v olts v olts v olts v olts a a mps a mps ns units sf 31g sf 32g sf 33g sf 34g sf 35g sf 36g sf 37g 300 300 210 500 500 350 400 400 280 150 150 105 1.7 typical thermal resistance note3 () 3 mount on cu pad size 16mmx16mm on pcb .- . low forward voltage drop high current capability high reliability high surge current capability lead (pb)-free component component in accordance to rohs 2011 65 eu high temperature soldering guaranteed:260 c/10 seconds at terminals // storage temperature range t j sf 38g 600 420 600 -55 to+150 / w do-201ad dimensions in inches and (millimetrers) 0.375(9.50) 0.210(5.3) 0.052(1.32) 1.0(25.4) min. 1.0(25.4) min. 0.285(7.20) 0.190(4.8) dia. 0.045(1.14) dia. case: jedec do-201ad molded plastic body terminals: plated axial leads, solderable per mil-std-750,method 2026 polarity: color band denotes cathode end any weight: 0.041ounce, 1.15 grams mounting position: t =25 c a t =100 c a jinan jingheng electronics co., ltd. http www.jinghenggroup.com :// 2-1
ratings and characteristic curves g sf31 thru SF38G 0 100 25 50 75 125 150 175 0 2.0 0.5 3.0 fig.1-maximum average forward current derating average forwa rd curren t(a) ambient temperature ( c) 0.1 1.0 100 10 0.01 0.1 1 0 50 25 75 125 100 10 20 0 40 60 80 100 120 1 10 100 0.2 0.4 0.8 0.6 1.6 1.0 fig.2-maximum non-repetitive forward surge current fig.4-typical reverse characteristics instantaneous forwa rd curren t( amperes) instantaneous reverse curren t (ma) . peak forward surge current(amperes) forward voltage (volts) reverse voltage. (v) percent of rated peak reverse voltage(%) number of cycles at 60hz 8.3ms single half sine wave (jedec method) - tj=25 c 40 0.1 0.5 1 5 2 10 50 20 100 60 100 120 160 80 140 fig.5-typical junction capacitance junction capacitance(pf) sf35g SF38G - tj 25 c pulse width=300 s 1% duty cycle = sf31g sf34g - sf35g sf36g - sf37g SF38G - fig.3-typical forward characteristics single phase half wave 60hz resistive or inductive load 0 375 9 5mm lead length .''(. ) 140 1000 1.4 1.2 100 50 20 5 2 150 200 500 1000 sf31g sf34g - 1.0 1.5 2.5 10000 tj=100 c 175 180 jinan jingheng electronics co., ltd. http www.jinghenggroup.com :// 2-2
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