31GF4 ultrafast efficient glass passivated rectifier voltage 400v current 3.0a feature do 201ad low power loss high surge capability ultra-fast recovery time for high efficiency high temperature soldering guaranteed 250 /10sec/0.375 lead length at 5 lbs tension mechanical data terminal plated axial leads solderable per mil-std 750, method 2026 case molded with ul-94 class v-0 recognized flame retardant epoxy polarity color band denotes cathode mounting position any dimensions in inches and (millimeters) maximum ratings and electrical characteristics (single-phase, half -wave, 60hz, resi stive or inductive load rating at 25 , unless otherwise stated) symbol 31GF4 units maximum recurrent peak reverse voltage vrrm 400 v maximum rms voltage vrms 280 v maximum dc blocking voltage vdc 400 v maximum average forward rectified current, 0.375 lead length at tl =110 if(av) 3.0 a peak forward surge current 8.3ms single half sine-wave superimposed on rated load ifsm 80 a maximum forward voltage at forward current at3.0a (note 1) vf 1.25 v maximum dc reverse current ta =25 at rated dc blocking voltage ta =120 ir 20.0 200.0 0 a 0 a maximum reverse recovery time (note 2) trr 30 ns typical thermal resistance r(ja) 80.0 /w storage and operating junction temperature tstg,tj -40 to +150 note 1. pulse test:300us pulse width, 1% duty cycle 2. reverse recovery condition if = 0.5a, ir =1.0a, irr =0.25a rev.4, 1-jul-03 www.gulfsemi.com
ratings and characteristic curves 31GF4 1 1 rev.4, 1-jul-03 www.gulfsemi.com
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