rev. a/ah 2007 - 11 - 16 taitron componen t s 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 rl251m ? rl257m 2.5a general purpose silicon rectifier 2.5a general purpose silicon rectifier features ? low forward voltage drop ? low reverse leakage ? high forward surge current capability ? high temperature soldering: 260c/10 seconds, 0.375? (9.5mm) lead length at 5 lbs (2.3kg) tension ? rohs compliance mechanical data case: do-15 transfer molded plastic epoxy: ul94v-0 rate flame retardant terminals: plated axial lead, solderable per mil-std-202e, method 208c polarity: color band denotes cathode end mounting position: any weight: 0.015 ounce, 0.4 gram maximum ratings (t ambient =25oc unless noted otherwise) symbol description rl251m RL252M rl253m rl254m rl255m rl256m rl257m unit conditions v rrm maximum repetitive peak reverse voltage 50 100 200 400 600 800 1000 v v rms maximum rms voltage 35 70 140 280 420 560 700 v v dc maximum dc blocking voltage 50 100 200 400 600 800 1000 v i f(av) maximum average forward rectified current 2.5 a note 1 i fsm peak forward surge current 100 a 8.3ms single half sine- wave superimposed on rated load (jedec method) t j, t stg operating junction and storage temperature range -65 to +175 c do-15
rev. a/ah 2007 - 11 - 16 www.taitroncomponents.com page 2 of 4 rl251m ? rl257m 2.5a general purpose silicon rectifier fig.2- maximum non-repetitive forward surge current number of cycles at 60hz electrical characteristics (t ambient =25oc unless noted otherwise) note: 1. 60hz, resistive or inductive load. derate current by 20% for capacitive load 2. thermal resistance from junction to ambient at .375" (9.5mm) lead length. . typical characteristics curves symbol description rl251m RL252M rl253m rl254m rl255m rl256m rl257m unit conditions v f maximum forward voltage 1.0 v i f at 2.5 a 5.0 t a=25 c i r maximum dc reverse current at rated dc blocking voltage 50 a t a=100 c c j typical junction capacitance 35 pf vr=4v, f=1mhz r -ja maximum thermal resistance 35 c/w note 2 fig.1- forward current derating curve lead temperature (c) average forward current, (a) peak forward surge current, (a)
rev. a/ah 2007 - 11 - 16 www.taitroncomponents.com page 3 of 4 rl251m ? rl257m 2.5a general purpose silicon rectifier fig.4- typical reverse characteristics percent of rated peak reverse voltage (%) fig.3-typical forward characteristics instantaneous forward voltage (v) fig.5-typical junction capacitance reverse voltage (v) instantaneous reverse current, (a) capacitance, (pf) instantaneous reverse current, (a)
rev. a/ah 2007 - 11 - 16 www.taitroncomponents.com page 4 of 4 rl251m ? rl257m 2.5a general purpose silicon rectifier dimensions in inches (mm) how to contact us: us headquarters 28040 west harrison parkway, 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 components incorporated 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 components incorporated, shanghai representative office cross region plaza, 899 lingling road, suite 18c, shanghai, 200030, china tel: +86-21-5424-9942 fax: +86-21-5424-9931 do-15
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