primary characteristics sma( do - 214ac ) package v rrm 40v,60v,100 v ,150v,200v i o 3.0a v f 0.45 v ,0.55v,0.75v,0.82v,0.85v t j,max 150 ,175 features mechanical data ? low profil e surface mount applications in order to optimize board space ? low power loss, high efficiency ? high current capability, low forward voltage drop ? high surge capability ? guard ring for overvoltage protection ? ultra high - speed switching ? silicon epitaxial planar chip,metal silicon junction ? moisture sensitivity level 1 ? case molded plastic , sma( do - 214ac ) ? polar ity indicated by cathode band ? terminals :plated terminals, solderable per mil - std - 750,method 2026 ? epoxy : ul94 - v0 rated flame retardant max. repetitive peak reverse voltage max. dc blocking voltage max. rms voltage units symbol parameter v rrm v dc v rms v v v max. instantaneous forward voltage @3.0a, t a =25c v f sm34a 40 40 28 0.45 sm36a 60 60 42 0.55 sm310a 100 100 70 0.75 sm315a 150 150 105 0.82 v SM320A 200 200 140 0.85 operating temperature t j -50 to +150 -50 to +175 c forward surge current reverse current storage temperature a a ma parameter conditions on rate load (jedec method) 8.3ms single half sine-wave superimposed forward rectified current see fig.1 thermal resistance diode junction capacitance v r =v rrm t a =25c v r =v rrm t a =100c f=1mh z and applied 4v dc reverse voltage junction to ambient symbol i o i fsm i r r ja c j t stg i r min. typ. max. ma c/w pf c 3.0 125 0.5 20 55 250 -50 +175 units maximum ratings and electrical characteristics ratings at ta=25c unless otherwise noted. single phase, half wave, 60hz, resistive or inductive loaded. for capacitive load, derate current by 20% . sm34a sm36a sm310a sm315a SM320A marking code ? >} s & ^z}??l? ??] ? z ?](] ?? e s?? s thru ^ d?e ^ d?? s 0 $ vym date code marking code logo v:product lines y:a . d . late code, ex : 4 -201 4 , 5 -201 5 m:month, ex : 1-1,2-2,---10-o,11-n,12-d body marking example marking : 6 0 $ a 6 0 $ ex :sm $ +- 1 www.paceleader.tw p 1
rating and characteristic curves (sm34a~SM320A) forward voltage, (v) 0.1 0.01 0.1 1.0 10 100 0.9 reverse voltage, (v) 0.01 0 200 700 1 10 100 ambient temperature, (c) 0 1.5 2.0 1.1 1.5 0 100 175 0.5 3.0 0.5 1.3 1.0 number of cycles at 60hz 0 peak forward surge current, (a) 90 150 1 10 100 30 120 60 t j =25c 8.3ms single half sine wave, jedec method 25 50 75 521 051 2.5 0.1 100 400 300 600 500 average forward current, (a) instantaneous forward current, (a) pulse width 300us 1% duty cycle 0.7 0.3 junction capacitance, (pf) fig.4 typical junction capacitance - fig.3 maximum non-repetitive - forward surge current fig.2 typical forward characteristics - fig.1 - typical forward current 0.33 percent of rated peak reverse voltage, (%) fig.5 typical reverse characteristics - reverse leakage current, (ma) 140 06 08 120 0 0.1 10 100 20 0.01 40 100 t j =125 c t j =25 c derating curve t j =25c 1.0 sm315a~SM320A sm34a~sm310a sm310a~SM320A sm36a sm34a 2 www.paceleader.tw ? >} s & ^z}??l? ??] ? z ?](] ?? e s?? s thru ^ d?e ^ d?? p 2
outline drawing dimensions in inches and (millimeters) sma(do-214ac) rev.c .181(4.60) .160(4.06) .110(2.79) .086(2.18) .067(1.70) .049(1.23) .208(5.28) .188(4.80) .091(2.31) .067(1.70) .012(.305) .006(.150) .060(1.51) .030(0.75) .008 (.203) max. 3 www.paceleader.tw ? >} s & ^z}??l? ??] ? z ?](] ?? e s?? s thru ^ d?e ^ d?? p 3
suggested soldering pad layout sma rev a dimensions in inches and (millimeters) .085(2.16) .098(2.50) .059(1.50) 4 www.paceleader.tw ? >} s & ^z}??l? ??] ? z ?](] ?? e s?? s thru ^ d?e ^ d?? p 4
5 h h o 7 d s l q j 6 h s h f l i l f d w l r q 6 x u i d f h 0 r x q w ' h y l f h 5 h h o 3 d f n l q j 3 ( 5 5 ( ( / 5 ( ( / ' , $ % 2 ; 6 , = ( 3 ( 5 % 2 ; & $ 5 7 , 2 1 3 ( 5 & $ 5 7 , 2 1 * 5 2 6 6 : ( , * + 7 ( $ p p p p ( $ p p ( $ . j 6 0 $
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