1S1885 ~ 1s1888 silicon rectifier diodes prv : 100 ~ 600 volts io : 1.0 am p ere features : * high current capability * high surge current capability * high reliability * low reverse current * low forward voltage drop * pb / rohs free mechanical data : * case : d2 molded plastic * epoxy : ul94v-o rate flame retardant * lead : axial lead solderable per mil-std-202, method 208 guaranteed * polarity : color band denotes cathode end * mounting position : any * weight : 0.465 gram maximum ratings and electrical characteristic s ratin g at 25 c ambient tem p erature unless otherwise s p ecifi e . single phase, half wave, 60 hz, resistive or inductive load. for capacitive load, derate current by 20%. symbol 1S1885 1s1886 1s1887 1s1888 unit maximum repetitive peak reverse voltage v rrm 100 200 400 600 v maximum average forward current ta = 65 c i f 1.0 a maximum peak one cycle surge forward current 60 (50hz) (non-repetitive) 66 (60hz) maximum forward voltage at i f = 1.5 a. v f 1.2 v maximum repetitive peak reverse current i r 10 (v rrm = rated) i r(h) 400 (tj = 150 c) maximum thermal resistance (junction to ambient) r th (j-a) 100 c/w junction temperature range t j - 40 to + 150 c storage temperature range t stg - 40 to + 150 c page 1 of 2 rev. 02 : march 25, 2005 rating i fsm a a 0.034 (0.86) 0.028 (0.71) d2 0.161 (4.10) 0.154 (3.90) dimensions in inches and ( millimeters ) 0.284 (7.20) 0.268 (6.84) 1.00 (25.4) min. 1.00 (25.4) min.
rating and characteristic curves ( 1S1885 - 1s1888 ) fig.1 - derating curve for output fig.2 - maximum non-repetitive peak rectified current forward surge current 0 25 50 75 100 125 150 175 1 2 4 6 10 20 40 60 100 ambient temperature, ( c) number of cycles at 50 hz and 60hz fig.3 - typical forward characteristics 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 forward voltage, volts page 2 of 2 rev. 02 : march 25, 2005 resistive or inductive load 0.8 0.6 0.4 0.2 1. 0 60 0 75 0 45 30 15 2 0 0.1 10 peak forward surge current, amperes average forward output current, amperes forward current, amperes tj = 25 c 1 60 hz 50 hz capacitive load t j = 25 c
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