fast recovery type features plastic package has underwrit ers laboratory flammability classificat ion 94v- o utiliz ing flame retardant epox y m olding compound. for surfac e mounted applications. ex ceeds environmental standar ds of mi l-s-19500 / 228 low leakage current . mechanical dat a case : mol ded plastic, sm-1 (me lf) termi nals : solder plated, solderable per mil-st d-750, method 2026 pol arity : indicated by c athode band mounting p osition : any weight : 0.015 gram (v) (v) (v) (v) (ns) ( o c) dlf 101 - 50 35 50 dlf 102 - 100 70 100 dlf 103 - 200 140 200 dlf 104 - 400 280 400 dlf 105 - 600 420 600 250 dlf 106 - 800 560 800 500 150 symbols marking code 1.3 -55 to +175 operating temperature v rrm *1 v rms *2 v r *3 v f *4 t rr *5 maximum ratings (at t a =25 o c unless otherwise noted) parameter conditions symbol min. typ. max. unit forward rectified current see fig.2 i o 1.0 a forward surge current 8.3ms single half sine-wave superimposed on rate load (jedec methode) i fsm 30 a v r = v rrm t a = 25 o c 5.0 ua v r = v rrm t a = 100 o c 100 ua thermal resistance junction to ambient r q ja 75 o c / w diode junction capacitance f=1mhz and applied 4vdc reverse voltage c j 15 pf storage temperature t stg -55 +175 o c reverse current i r *1 repetitive peak reverse voltage *2 rms voltage *3 continuous reverse voltage *4 maximum forward voltage *5 reverse recovery time dimensions in inches and (millimeters) melf/ll41 .105(2.7) .095(2.4) .205(5.2) .190(4.8) .024(.60) .018(.46) solderable ends dlf101-DLF106 http:// www.wej.cn e-mail:wej@yongerjia.com wej electronic co. r o hs wej electronic co.,ltd
0.1 1.0 .01 10 50 rating and characteristic curves (fsm101 thru fsm106) characteristics fig.2-typical forward current dera ting curve a v e r a g e f o r w a r d c u r r e n t , ( a ) 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 0.2 0.4 0.6 0.8 1.0 1.2 0 20 40 60 80 100 120 140 160 180 200 35 30 25 20 15 10 5 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 single phase half wave 60hz resistive or inductive load fig.3- test circuit diagram and reverse recovery time characteristics 10 noninductive 50 noninductive w w tj=25 c ambient temperature,( c) fig.1-typical forward 0 fig.4-maximum non-repetitive forward surge current 6 0 12 18 24 30 number of cycles at 60hz 1 10 5 50 100 tj=25 c 8.3ms single half sine wave jedec method p e a k f o r w a r d s u r g e c u r r e n t , ( a ) dlf101-DLF106 http:// www.wej.cn e-mail:wej@yongerjia.com wej electronic co. r o hs wej electronic co.,ltd
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