page . 1 stad-nov.22.2004 data sheet sr22e~sr26e features ? 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, a nd polarity protection applications ? pb free product are available : 99% sn above can meet rohs environment substance directive request . esd passed devices : air mode 15kv ,human body mode 8kv mechanical data case: jedec do-214ac 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: 0.002 ounce, 0.064 gram mini surface mount schottky barrier rectifier maximum ratings and electrical characteristics ratings at 25c ambient temperature unless otherwise specified. resistive or inductive load. notes: 1. pulse test with pw =300sec, 1% duty cycle. 2. mounted on p.c. board with 8mm 2 (.013mm thick) copper pad areas. sma/do-214ac unit: inch (mm) .181(4.60) .208(5.28) .060(1.52) .09 (2. ) .062(1.60) .114(2.90) .008(.203) .012(.305) .157(4.00) .188(4.80) .030(0.76) .078(2.00) .0 47(1.20) .098(2.50) .002(.051) .006(.152) voltage 20 to 6 0 volts 2.0 amperes current parameter symbol sr22e sr23e SR24E sr25e sr26e units maximum recurrent peak reverse voltage v rrm 20 30 40 50 60 v maximum rms voltage v rms 14 21 28 35 42 v maximum dc blocking voltage v dc 20 30 40 50 60 v maximum average forward rectified current .375" (9.5mm) lead length at t l =75 o c i av 2 a peak forward surge current :8.3ms single half sine-wave superimposed on rated load(jedec method) i fsm 50 a maximum forward voltage at 2.0a v f 0.5 0.7 v maximum dc reverse current ta=25 o c at rated dc blocking voltage ta=100 o c i r 0.5 20 ma maximunl thermal resisance r q jl r q ja 20 75 o c / w operating junction and storage temperature range t j , t stg -50 to +125 o c
page . 2 stad-nov.22.2004 rating and characteristic curves fig.1- forward current derating curve fig.4- typical instantaneous forward characteristic fig.3- typical reverse characteristic reverse current ,ua percent of instantaneous reverse voltage,(%) peak forwardsurge current , amperes no. of cycle at 60hz average forwardrecitified current amperes lead temperaure, c o 2.5 2.0 1.0 0 .375" 9.5mmleadlenghts resistiveorinductiveload 0.5 1.5 0 20406080100 0 0.01 0.1 1.0 10 0.2 0.4 0.6 0.8 1.0 120 140 160 1 10 100 60 50 40 30 20 10 0 fig.2- maximum non-repetitive peak forward surge current 20-40v 50-60v 80-90v t=25c a o forward voltage, volts forward current, amperes v = 80-90v v = 50-60v v = 20-40v rrm rrm rrm t=125c j o t=75c j o t=25c j o 0 10 -1 10 0 10 1 10 2 10 4 10 3 10 5 20 40 60 80 100 120 140
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