sanken electric co., ltd. RM1 040826 1 61426 - 01 scope the present specifications shall apply to an RM1 . outline type silicon diode (mesa type) structure resin molded flammability : ul94v - 0(equivalent) applications commercial frequency rectification absolute maximum ratings no. item symbol unit rating con ditions 1 transient peak reverse voltage v rsm v 400 2 peak reverse voltage v rm v 400 3 average forward current i f(av) a 1.0 refer to derating curve in section 6 4 peak surge forward current i fsm a 50 10ms. half sine wave, one shot 5 i 2 t limiting val ue i 2 t a 2 s 12.5 1ms Q Q j c - 40 to +150 7 storage temperature t stg c - 40 to +150 electrical characteristics (ta=25c, unless otherwise specified) no. item symbol unit rating conditions 1 forward voltage drop v f v 0.95 max. i f =1.0a 2 reve rse leakage current i r a 5 max. v r =v rm 3 reverse leakage current under high temperature h ? r a 50 max. v r =v rm , t j =100 c 4 thermal resistance r th(j - l) c /w 15 max. between junction and lead
sanken electric co., ltd. RM1 040826 2 61426 - 01 5.v f test and test circuit 6. derating derating to the ambient temperature power loss generated by voltage is not taken into consideration. percentage against (%) ambient temperature ( c ) 100 80 60 40 20 0 - 40 - 20 0 20 40 60 80 100 120 140
sanken electric co., ltd. RM1 040826 3 61426 - 01 7. dimensions, inner structure and marking 7.1 dimensions refer *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 exist up to 2mm from the body of lead. 7.2 appearance the body shall be clean and shall not bear any stain, rust or flaw. the color of the case will be black. 7.3 marking polarity marking (cathode band) type ma rking : 2 set marking ex.) RM1 RM1 lot no. marking : 2 set marking ex.) 48 48 4: year (l ast digit of calendar year) 8 : month (from 1 to 9 for jan. to sep.,) o for oct., n for nov., and d for dec. ten days ( ? : first ten days ?? : second ten days ??? : third ten days) the color of marking must be white. the marking on the case of a part, whi ch is printed in two positions, should be legible in either of the two at least. dimensio ns in mm 62.5 0.7 0.78 0.05 7.2 0.2 4.0 0.2 1 3 2
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