ss2a - ss2m surface mount super fast rectifiers prv : 50 - 1000 volts io : 2.0 amperes features : * high current capability * high surge current capability * high reliability * low reverse current * low forward voltage drop * super fast recovery time * pb / rohs free mechanical data : * case : smb molded plastic * epoxy : ul94v-o rate flame retardant * lead : lead formed for surface mount * polarity : color band denotes cathode end * mounting position : any * weight : 0.1079 gram maximum ratings and electrical characteristic s ratin g at 25 c ambient tem p erature unless otherwise s p ecifie d sin g le p hase, half wave, 60 hz, resistive or inductive loa d for ca p acitive load, derate current b y 20 % symbol ss2a ss2b ss2c SS2D ss2e ss2g ss2j ss2k ss2m unit maximum recurrent peak reverse voltage v rrm 50 100 150 200 300 400 600 800 1000 v maximum rms voltage v rms 35 70 105 140 210 280 420 560 700 v maximum dc blocking voltage v dc 50 100 150 200 300 400 600 800 1000 v maximum average forward current ta = 55 c i f(av) 2.0 a maximum peak forward surge current 8.3ms single half sine wave superimposed on rated load (jedec method) maximum peak forward voltage at i f = 2.0 a. v f 0.95 v maximum dc reverse current at rated dc blocking voltage maximum reverse recovery time ( note 1 ) trr 35 ns typical junction capacitance ( note 2 ) c j 50 pf junction temperature range t j - 65 to + 150 c storage temperature range t stg - 65 to + 150 c notes : (1) reverse recovery test conditions : i f = 0.5 a, i r = 1.0 a, irr = 0.25 a. (2) measured at 1.0 mhz and applied reverse voltage of 4.0 v dc page 1 of 2 rev. 05 : march 25, 2005 a a rating 1.7 4.0 i r 5.0 20 i fsm 75 0.22 0.07 2.0 0.1 5.4 0.15 2.3 0.2 4.8 0.15 3.6 0.15 smb (do-214aa) 1.1 0.3 dimensions in millimeter
rating and characteristic curves ( ss2a - ss2m ) fig.1 - reverse recovery time characteristic and test circuit diagram + notes : 1. rise time = 7 ns max., input impedance = 1 megaohm, 22 pf. 2. rise time = 10 ns max., source impedance = 50 ohms. 3. all resistors = non-inductive types. fig.2 - derating curve for output fig.3 - 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 60hz fig.4 - typical forward characteristics fig.5 - typical reverse characteristics 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 page 2 of 2 rev. 05 : march 25, 2005 ss2a - SS2D 60hz resistive or inductive load 2.0 1.5 1.0 0.5 2. 5 100 100 10 60 0 75 0 45 30 15 0.1 10 80 0.01 0.1 1.0 1 100 140 0 20 40 60 120 percent of rated reverse voltage, (%) peak forward surge current, amperes average forward output current, amperes forward current, amperes reverse current, microamperes t j = 25 c t j = 100 c t j = 25 c pulse width = 300 s 2% duty cycle 8.3 ms single half sine wave ta = 50 c + 0.5 a 0 - 0.25 a - 1.0 a trr 1 cm set time base for 15 ns/cm ss2e - ss2j 50 vdc (approx) oscilloscope ( note 1 ) 1 50 10 d.u.t. pulse generator ( note 2 ) forward voltage, volts ss2k - ss2m
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