DATA SHEET SR32 thru SR39 MINI SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER VOLTAGE 20 to 90 Volts CURRENT SMB/DO-214AA 3.0 Amperes Unit: inch (mm) FEATURES .083(2.11) .075(1.91) .155(3.94) .130(3.30) • Plastic package has Underwriters Laboratory Flammability Classification 94V-O • For surface mounted applications • Low profile package • Built-in strain relief • Metal to silicon rectifier. majority carrier conduction • Low power loss,high efficiency • High surge capacity • For use in low voltage high frequency inverters, free wheeling, and polarity protection applications • Pb free product are available : 99% Sn above can meet Rohs environment substance directive request .185(4.70) .160(4.06) MECHANICAL DATA Case: JEDEC DO-214AA molded plastic Terminals:Solder plated, solderable per MIL-STD-202G, Method 208 Polarity: Color band denotes positive end (cathode) Standard packaging: 12mm tape (EIA-481) Weight: 0.093 gram .083(2.13) .096(2.44) .012(.305) .006(.152) .050(1.27) .030(0.76) .008(.203) .002(.051) .220(5.59) .200(5.08) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25°C ambient temperature unless otherwise specified. Resistive or inductive load. P A R A M E TE R S YM B O L S R 32 S R 33 S R 34 S R 35 S R 36 S R 38 S R 39 U N IT S M a xim um R e curre nt P e a k R e ve rse V o lta g e V RRM 20 30 40 50 60 80 90 V M a xim um R M S V o lta g e V RM S 14 21 28 35 42 56 64 V M a xim um D C B lo cking V o lta g e VDC 20 30 40 50 60 80 90 V M a xim um A ve ra g e F o rw a rd C urre nt .3 7 5 "(9 .5 m m ) le a d le ng th a t T L = 7 5 O C P e a k F o rw a rd S urg e C urre nt : 8 .3 m s sing le ha lf sine -w a ve sup e rim p o se d o n ra te d lo a d (JE D E C m e tho d ) IA V 3 .0 A IF S M 80 A 0 .5 0 .7 5 0 .8 5 V M a xim um F o rw a rd V o lta g e a t 3 .0 A ( N o te 1 ) VF M a xim um D C R e ve rse C urre nt a t T A = 2 5 O C R a te d D C B lo cking V o lta g e T A = 1 0 0 O C IR 0 .5 20 M a xim um T he rm a l R e sista nce ( N o te 2 ) R θ JL R θ JA 20 75 O p e ra ting Junctio n Te m p e ra ture R a ng e TJ -5 5 T O + 1 2 5 O C T S TG -5 5 T O + 1 5 0 O C S to ra g e Te m p e ra ture R a ng e mA O C /W NOTES: 1. Pulse Test with PW =300µsec, 2% Duty Cycle. 2. Mounted on P.C. Board with 8.0mm 2 (.013mm thick) copper pad areas. STAD-JAN.18.2005 PAGE . 1 RATING AND CHARACTERISTIC CURVES 4.0 3.0 2.0 .375"9.5mm LEADLENGHTS RESISTIVEORINDUCTIVE LOAD 1.0 0 0 20 40 60 80 100 120 140 50 INSTANTANEOUS FORWARD CURRENT AMPERES AVERAGEFORWARDRECITIFIED CURRENTAMPERES 5.0 160 20-40V 10 50-60V 80-90V 1.0 TJ = 25OC Pulse Width = 300ms 1% Duty Cycle 0.1 .2 LEAD TEMPERAURE, OC .3 .4 .5 .6 .7 .8 .9 1.0 1.1 INSTANTANEOUS FORWARD VOLTAGE, VOLTS Fig.2- TYPICAL INSTANTANEOUS FORWARD CHARACTERISTIC Fig.1- FORWARD CURRENT DERATING CURVE 160 O T J = 100 C 1.0 0.10 O T J = 75 C T J = 25 OC 0.01 VRRM=20-40V VRRM=50-90V PEAK FORWARD SURGE CURRENT, INSTANTANEOUS REVERSE CURRENT, mA 10 140 8.3ms Single Half Since-Wave JEDEC Method 120 100 80 60 40 20 0 1 2 5 10 20 50 100 .001 20 40 60 80 100 120 140 NO. OF CYCLE AT 60HZ PERCENT OF INSTANTANEOUS REVERSE VOLTAGE,(%) Fig.3- TYPICAL REVERSE CHARACTERISTIC STAD-JAN.18.2005 Fig.4- MAXIMUM NON - REPETITIVE SURGE CURRENT PAGE . 2