sb320 - sb3b0 schottky barrier rectifier diodes prv : 20 - 100 volts i o : 3.0 amperes features : * high current capability * high surge current capability * high reliability * high efficiency * low power loss * low forward voltage drop 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 : 1.21 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 sb 320 sb 330 sb 340 sb 350 sb 360 sb 370 sb 380 sb 390 sb 3b0 unit maximum recurrent peak reverse voltage v rrm 20 30 40 50 60 70 80 90 100 volts maximum rms voltage v rms 14 21 28 35 42 49 56 63 70 volts maximum dc blocking voltage v dc 20 30 40 50 60 70 80 90 100 volts maximum average forward current 0.375", 9.5mm lead length see fig.1 i f(av ) 3.0 amps. peak forward surge current, 8.3ms single half sine wave superimposed on rated load (jedec method) i fsm 80 amps. maximum forward voltage at i f = 3.0 amps. v f 0.5 0.74 0.79 volt. maximum reverse current at ta = 25 c i r 0.5 ma rated dc blocking voltage (note 1) ta = 100 c i r(h) 20 ma junction temperature range t j - 65 to + 125 - 65 to + 150 c storage temperature range t stg - 65 to + 150 c notes : (1) pulse test : pulse width = 300 m s, duty cycle = 2% update : september 12, 1998 rating 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 ( sb320 - sb3b0 ) 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 lead temperature, ( c) number of cycles at 60hz fig.3 - typical forward characteristics fig.4 - typical reverse characteristics 0.1 0.3 0.5 0.7 0.9 1.1 1.3 1.5 1.7 1.9 2.1 2.4 1.8 1.2 0.6 3.0 80 0 100 0 60 40 20 peak forward surge current, amperes average forward current, amperes 10 1.0 80 0.01 0.1 100 140 0 20 40 60 120 percent of rated reverse voltage, (%) t j = 100 c t j = 25 c reverse current, milliamperes sb320 sb330 sb340 SB350 thru sb3b0 1.0 0.1 10 forward current, amperes forward voltage, volts 20 SB350 sb360 sb370 t j = 25 c pulse width = 300 m s duty cycle = 2% sb380 sb390 sb3b0 sb320 sb330 sb340
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