features utilizing void-free molded plastic technique low power loss high surge capability high temperature soldering guaranteed: mechanical data case: molded with ul-94 class v-o recognized flame retardant epoxy terminals: plated axal terminals solderable per mil- std-202e, method 208 polarity: color ring denotes cathode maximum ratings and electrical characteristics ratings at ?b ambient temperature unless otherwise specified. single phase,half wave,60 hz,resistive or inductive load. for capacitive load,derate by 20%. ar 252 ar 254 ar 256 ar 258 ar 2510 ars 252 ars 254 ars 256 ars 258 ars 2510 maximum recurrent peak reverse voltage v rrm 200 400 600 800 1000 v maximum rms voltage v rms 140 280 420 560 700 v maximum dc blocking voltage v dc 200 400 600 800 1000 v maximum average forward rectified current @t a =55 peak forward surge current 8.3ms single half-sine-wave superimposed on rated load maximum instantaneous forward voltage at 25 a v f v maximum reverse current @t a =25 at rated dc blocking voltage @t a =150 typical junction capacitance (note1) c j pf typical thermal resistance (note2) r jc /w operating junction temperature range t j storage temperature range t stg 1 100 70 voltage range: 50 --- 1000 v current: 25 a 35 50 ar 1000 automotive rectifier 50 ar(s)2505---ar(s)2510 i (av) 25.0 ars 265 /10s bl galaxy electrical i fsm 400 2. thermal resistance from junction to case. m a 10.0 note: 1. measured at 1.0mhz and applied reverse voltage of 4.0v dc. www.galaxycn.com - 55 ---- + 150 i r 300 - 55 ---- + 150 1.0 units ars 2505 ars 251 ar 2505 ar 251 a a 100 dimensions in inches and (millimeters) .225(5.7) .215(5.5) .327(8.3) .347(8.9) .215(5.5) .225(5.7) .380(9.7) .410(10.4) .165(4.2) .185(4.7) .235(6.0) .250(6.4) .235(6.0) .250(6.4) .185(4.7) .165(4.2) document number 0292011 blgalaxy electrical 1.
25 0 0 20 40 60 80 100 120 140 160 180 capactitive load. sings phase half wave res. or ind .load. 0 1 10 100 200 500 100 400 300 8.3ms single half sine-wave (jedec method) o bl galaxy electrical document number 0292011 2. www.galaxycn.com 0 1 20 40 60 80 100 0.1 10 100 tj=25 t j =25 f=1.0mhz vsig=50mvp-p 100 1 100 0.1 1000 average forward current,amperes peak forward surge current,amperes instantaneous forward current,amperes instantaneous reverse current,microamperes ratings a nd ch aracteristic curves ar(s)2505---ar(s)2510 fi g. 3 -- typi cal forward characteri sti cs fi g. 4 -- typi cal reverse characteri sti cs fig.1 -- forward current derating curve number of cycles at 60hz fig.2 -- peak forward surge current reverse voltage,volts junction capacitance,pf terminal temperature fi g. 5 -- typi cal juncti on capaci tance 5 1 0 15 20 .8 .9 1 1.1 1.2 .1 1 10 t j =25 .6 .7 100 1.3 1000 i nstantaneous forward voltage,volts percent of rated peak reverse v tj=100 500
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