rev. a / ah 2008 - 04 - 29 TF251 ? tf257 fr2 5 1 ? fr2 5 7 2.5 a fast recover y rectifier 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 2.5a fast recovery rectifier features ? low forward voltage drop ? high current capability ? high reliability ? high surge current capability ? high temperature soldering guaranteed: 250c/10 seconds /.0375" (9.5mm) lead length, 5lbs (2.3kg) tension ? rohs compliance mechanical data case: r-3, molded plastic epoxy: ul 94v-0 rate flame retardant terminals: axial leads, solderable per mil-std-202, method 208 guaranteed polarity: color band denotes cathode end weight: 0.40 gram maximum ratings and electrical characteristics (t a =25oc unless noted otherwise) tf 251 tf 252 tf 253 tf 254 tf 255 tf 256 tf 257 symbol description fr 251 fr 252 fr 253 fr 254 fr 255 fr 256 fr 257 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 av maximum average forward rectified current 2.5 a ta=55 ? c i fsm peak forward surge current 150 a 8.3ms single half sine-wave superimposed on rated load (jedec method) r-3 www.datasheet.co.kr datasheet pdf - http://www..net/
2.5 a fast recover y rectifier rev. b / ah 2008 - 04 - 29 TF251 ? tf257/fr251 ? fr257 www.taitroncomponents.com page 2 of 4 fig.1-max. forward current derating curve ambient temperature t a (c) fig.2-max. non-repetitive forward surge current number of cycles at 60hz typical characteristics curves tf 251 tf 252 tf 253 tf 254 tf 255 tf 256 tf 257 symbol description fr 251 fr 252 fr 253 fr 254 fr 255 fr 256 fr 257 unit conditions v f maximum instantaneous forward voltage 1.3 v i f =2.5 a 5.0 t a =25 c i r maximum dc reverse current at rated dc blocking voltage 100 a t a =100 c t rr typical reverse recovery time 150 250 500 ns i f =0.5a, i r =1a, i rr =0.25a c j typical junction capacitance 60 pf v r =4v, f=1mhz t j operating temperature range -55 to +125 t stg storage temperature range -55 to +150 c average forward rectified current (a) peak forward surge current (a) www.datasheet.co.kr datasheet pdf - http://www..net/
2.5 a fast recover y rectifier rev. b / ah 2008 - 04 - 29 TF251 ? tf257/fr251 ? fr257 www.taitroncomponents.com page 3 of 4 fig.3- typical forward characteristics forward voltage (v) dimensions in inches & mm instantaneous forward current (a) fig.4- typical junction capacitance reverse voltage (v) junction capacitanc e (pf) r-3 www.datasheet.co.kr datasheet pdf - http://www..net/
2.5 a fast recover y rectifier rev. b / ah 2008 - 04 - 29 TF251 ? tf257/fr251 ? fr257 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 www.datasheet.co.kr datasheet pdf - http://www..net/
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