s anken electric co., ltd. rm 4 61426 - 01 s cope the present specifications shall apply to an RM4 . outline type silicon diode structure resin molded applications commercial frequency rectification flammability ul94v - 0(equivalent)
s anken electric co., ltd. rm 4 61426 - 01 absolute maximum ratings no. item symbol unit rating co nditions 1 transient peak reverse voltage v rsm v 450 2 peak reverse voltage v rm v 400 3 average forward current i f(av) a 3.0 refer to derating of 7 4 peak surge forward current i fsm a 200 10ms. half sinewave, one shot 5 i 2 t limiting value i 2 t a 2 s 2 00 1ms junction temperature t j c - 40 to +150 7 storage temperature t stg c - 40 to +150 electrical characteristics (ta=25 c , unless otherwise specified) no. item symbol unit value conditions 1 forward voltage drop v f v 0.95 max. i f =3.0 a 2 reverse leakage current i r ua 10 max. v r =v rm 3 reverse leakage current under high temperature h ? r u a 50 max. v r =v rm , t j =150 c 4 thermal resistance r th(j - l) c /w 8 max. between junction and lead
s anken electric co., ltd. rm 4 61426 - 01 characteristics i f(av) f forward pow er dissipation (w) average forward current (a) v r r reverse power dissipation (w) reverse voltage (v) t/t=1/6 t/t=1/3,sinewave t/t=1/2 dc 1 - t/t=5/6 sinewave 1 - t/t=2/ 3 1 - t/t=1/2 tj= 150 0.0 1.0 2.0 3.0 4.0 0.0 1.0 2.0 3.0 0.000 0.005 0.010 0.015 0.020 0 50 100 150 200 250 300 350 400 t t
s anken electric co., ltd. rm 4 61426 - 01 derating t l f(av) v r =40 0 (v) average forward current (a) lead temperature ( c ) ta f(av) v r =40 0 (v) average forward current (a) ambient temperature ( c ) t/t=1/6 t/t=1/2 dc t/t=1/3 , sinewave tj= 150 t/t=1/6 t/t=1/2 dc t/t=1/3 ,sinewave p.c.b. mounted (10mm 10mm land) 0.0 1.0 2.0 3.0 100 110 120 130 140 150 0.0 1.0 2.0 3.0 0 50 100 150 t t
s anken electric co., ltd. rm 4 61426 - 01 package information - package type, physical dimensions and material * 1 the allowance position of body against the center of whole lead wire is 0.5mm(max.) * 2 the centric allowance of lead wire against center of physical body is 0.3mm(max.) * 3 the burr may exit up to 2mm from the body of lead dimensions in L - appearance the body shall be clean and shall not bear any stain, rust or flaw. - marking type number RM4 lot nu mber 1 first digit: last digit of year second digit: month from 1 to 9 for jan. to sep. o for oct., n for nov., and d for dec. lot number 2 (ten days) ? top of the month ?? middle of month ??? end of month internal structure diagram we ight of products: approx. 1.2 g no. name of part materials plastic body epoxy resin chip silicon leads solder dipped silver plated copper wire ?a ?@ ?b `?? cathode band 50.0 1.0 8.0 0.2 6.5 0.2 1.4 0.1 1 2 3
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