31dq09 - 31DQ10 schottky barrier rectifier diodes prv : 90 - 100 volts i o : 3.3 amperes features : * high current capability * high surge current capability * high reliability * high efficiency * low power loss * low forward voltage drop * low cost * pb / rohs free mechanical data : * case : do-201ad 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 : 1.1 grams maximum ratings and electrical characteristics rating at 25 c ambient temperature unless otherwise specified . single phase, half wave, 60 hz, resistive or inductive load. for capacitive load, derate current by 20%. symbol 31dq09 31DQ10 unit maximum recurrent peak reverse voltage v rrm 90 100 v maximum dc blocking voltage v dc 90 100 v maximum average forward current at ambient temperature , tc = 53 c maximum non-repetitive peak forward surge current ( 50 hz, sine wave, 10ms ) maximum forward voltage at i f = 3.0 a v f 0.85 v maximum reverse current at v r = v rrm , tj = 25 c i r 1.0 ma maximum reverse current at v r = v rrm , tj = 125 c i rm 3.0 ma 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 a 34 rating i fsm i f(av ) 3.3 a do-201ad 0.21 (5.33) 0.19 (4.82) 0.375 (9.52) 0.285 (7.24) 0.052 (1.32) 0.048 (1.22) 1.00 (25.4) min. 1.00 (25.4) min. dimensions in inches and ( millimeters )
rating and characteristic curves ( 31dq09 - 31DQ10 ) fig.1 - forward current derating curve fig.2 - maximum non-repetitive peak forward surge current 0 25 50 75 100 125 150 175 1 2 4 6 10 20 40 60 100 case temperature, ( c) number of cycles at 50hz fig.3 - typical forward characteristics fig.4 - typical reverse characteristics 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 page 2 of 2 rev. 02 : march 25, 2005 4 3 2 1 5 40 0 50 0 30 20 10 p e a k f o r w a r d s u r g e c u r r e n t , a m p e r e s a v e r a g e f o r w a r d c u r r e n t , a m p e r e s 10 1.0 80 0.01 0.1 10 0 14 0 0 20 40 60 12 0 percent of rated reverse voltage, (%) t j = 100 c t j = 25 c r e v e r s e c u r r e n t , m i l l i a m p e r e s 0.1 0.001 10 f o r w a r d c u r r e n t , a m p e r e s forward voltage, volts 20 tj = 25 c 1.0 0.01
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