rev. a / ah 2008 - 02 - 16 a rs2505 ? ars258 taitron components incorporated www.taitroncomponents.com page 1 of 4 tel: (800) - taitron (800) - 824 - 8766 (661) - 257 - 6060 fax: (800)-taitfax (800)-824-8329 (661)-257-6415 25a automotive rectifiers 25a automotive rectifiers features ? low leakage ? low forward voltage drop ? high current capability ? high forward surge current capacity ? rohs compliance mechanical data case: ars, molded plastic body epoxy: plastic package has ul flammabi lity classification 94v-0 terminals: plated slug, solderable per mil-std-202, method 208c polarity: color ring denotes cathode end weight: 0.064 ounces, 1.82 grams maximum ratings and electrical characteristics (t a =25oc unless noted otherwise) symbol description ars 2505 ars 251 ars 252 ars 254 ars 256 ars 258 unit conditions v rrm maximum repetitive peak reverse voltage 50 100 200 400 600 800 v v rms maximum rms voltage 35 70 140 280 420 560 v v dc maximum dc blocking voltage 50 100 200 400 600 800 v i f(av) maximum average forward rectified current 25 a t c =110 c i fsm peak forward surge current 400 a 8.3ms single half sine-wave superimposed on rated load (jedec method) v f forward voltage 1.05 v i f =25a 5.0 t a =25 c i r maximum dc reverse current at rated dc blocking voltage 250 a t a =100 c ars
25a automotive rectifiers rev. a / ah 2008 - 02 - 16 a rs2505 ? ars258 www.taitroncomponents.com page 2 of 4 fig.1-typical forward current derating curve case temperature (c) fig.2-max. non-repetitive peak forward surge current number of cycles at 60hz symbol description ars 2505 ars 251 ars 252 ars 254 ars 256 ars 258 unit conditions rth jc typical thermal resistance 1.0 c / w t j, t stg operating junction and storage temperature range -65 to +175 c polarity and voltage demotion color band red yellow silver orange green blue note: (1) enough heatsink must be considered in application. (2) single phase, half wave, 60hz, resistive or inductive load. (3) for capacitive load derate current by 20%. typical characteristics curves average forward current (a) peak forward surge current (a)
25a automotive rectifiers rev. a / ah 2008 - 02 - 16 a rs2505 ? ars258 www.taitroncomponents.com page 3 of 4 fig.3- typical instantaneous forward characteristics instantaneous forward voltage (v) dimensions in inch (mm) i nstantaneous forward current (a) fig.4-forward power dissipation average forward current (a) average power dissipation (w) ars
25a automotive rectifiers rev. a / ah 2008 - 02 - 16 a rs2505 ? ars258 www.taitroncomponents.com page 4 of 4 how to contact us: us headquarters 28040 west harrison parkaway, valencia, ca 91355-4162 tel: (800) taitron (800) 824-8766 (661) 257-6060 fax: (800) taitfax (800) 824-8329 (661) 257-6415 email: taitron@taitroncomponents.com http:// www.taitroncomponents.com taitron components mexico, s.a .de c.v. boulevard central 5000 interior 5 parque industrial atitalaquia, hidalgo c.p. 42970 mexico tel: +52-55-5560-1519 fax: +52-55-5560-2190 taitron componets incorporated e representa??es do brasil ltda rua domingos de morais, 2777, 2.andar, sala 24 sade - s?o paulo-sp 04035-001 brazil tel: +55-11-5574-7949 fax: +55-11-5572-0052 taitron componets incorporated, shanghai representative office metrobank plaza, 1160 west yan? an road, suite 1503, shanghai, 200052, china tel: +86-21-5424-9942 fax: +86-21-5424-9931
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