maximum ratings and electrical chara cteristics rating 25 c ambient temperature uniess otherwies specified. single phase half wave, 60hz, resistive or inductive load.for capacitive load, derate current by 20%. type number maximum recurrent peak reverse voltage maximum rms voltage maximum dc blocking voltage maximum average forward rectified current peak forward surge current, 8.3 ms single half sine-wave superimposed on rated load (jedec method) maximum instantaneous forward voltage at 3.0a maximum dc reverse current t a=25 c at rated dc blocking voltage t a=100 c maximum reverse recovery time (note 1) typical junction capacitance (note 2) 50 100 200 400 600 800 1000 v 50 100 200 400 600 800 1000 v 35 70 140 280 420 560 700 3.0 125 60 -65 +150 v a a v ns pf notes: 1. reverse recovery time test condition: if=0.5a, ir=1.0a, irr=0.25a 2. measured at 1mhz and applied reverse voltage of 4.0v d.c. SMF301C thru smf307c 1.3 250 500 150 vol t age range 50 to 1000 volts current 3.0 amp surf ace mount fast recovery rectifiers mechanical da t a * case: molded plastic * epoxy: ul 94v-0 rate flame retardant * metallurgically bonded construction * polarity: color band denotes cathode end * mounting position: any fea tures * ideal for surface mount applications * easy pick and place * built-in strain relief * fast switching speed operating and storage t emperature range t j , t stg c dimensions in inches and (millimeters) do-214ab(smc) .320(8.13) .305(7.75) .280(7.11) .260(6.60) .012(0.31) .006(0.15) .124(3.15) .108(2.75) .103(2.62) .079(2.00) .050(1.27) .030(0.76) .245(6.22) .220(5.59) .008 (.203) max. at t l =75 c 5.0 200 a a units smf smf smf smf smf smf smf 301c 302c 303c 304c 305c 306c 307c 484 3.0 amperes
0.1 1.0 .01 10 50 rating and characteristic curves (SMF301C thru smf307c) fig.1-typical forward characteristics fig.2-typical forward current dera ting curve fig.5-typical junction capacit ance reverse voltage,(v) j u n c t i o n c a p a c i t a n c e , ( p f ) i n s t a n t a n e o u s f o r w a r d c u r r e n t , ( a ) forward volt age,(v) pulse width 300us 1% duty cycle 140 120 100 80 60 40 20 0 (+) (+) 25vdc (approx.) ( ) ( ) pulse generator (note 2) oscilliscope (note 1) 1 non-inductive w notes: 1. rise time= 7ns max., input impedance= 1 megohm.22pf. 2. rise time= 10ns max., source impedance= 50 ohms. +0.5a 0 -0.25a -1.0a | || | | | | | 1cm set time base for 50 / 10ns / cm trr .01 .05 .1 .5 1 5 10 50 100 d.u.t. .6 .8 1.0 1.2 1.4 1.6 1.8 2.0 3.0 fig.3- test circuit diagram and reverse recovery time characteristics 10 noninductive 50 noninductive w w tj=25 c fig.4-maximum non-repetitive forward surge current p e a k f o r w a r d s u r g e c u r r e n t , ( a ) 25 0 50 75 100 125 number of cycles at 60hz 1 10 5 50 100 tj=25 c 8.3ms single half sine wave jedec method a v e r a g e f o r w a r d c u r r e n t , ( a ) 0.5 1.0 1.5 2.0 2.5 3.0 single phase half wave 60hz resistive or inductive load 0 20 40 60 80 100 120 140 160 180 200 0 485 lead temperature ( c)
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