skt2 - sktb surface mount schottky barrier rectifiers prv : 20 - 100 volts i o : 2.5 amperes features : * high current capability * high surge current capability * high reliability * high efficiency * low power loss * low cost * low forward voltage drop * 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 : 0.093 gram 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 skt2skt3skt4SKT5skt6skt7skt8skt9sktb unit maximum recurrent peak reverse voltage v rrm 20 30 40 50 60 70 80 90 100 v maximum rms voltage v rms 14 21 28 35 42 49 56 63 70 v maximum dc blocking voltage v dc 20 30 40 50 60 70 80 90 100 v maximum average forward current (see fig.1) i f(av ) 2.5 a maximum peak forward surge current, 8.3ms single half sine wave superimposed on rated load (jedec method) maximum forward voltage at i f = 2.5 a. (note 1) v f 0.5 0.74 0.79 v maximum reverse current at rated dc blocking voltage (note 1) 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%. page 1 of 2 rev. 02 : march 25, 2005 ma 0.5 i r rating i fsm 75 a 0.22 0.07 2 . 0 0 . 1 5 . 4 0 . 1 5 2 . 3 0 . 2 4 . 8 0 . 1 5 3.6 0.15 smb (do-214aa) 1.1 0.3 dimensions in millimeter
rating and characteristic curves ( skt2 - sktb ) 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 page 2 of 2 rev. 02 : march 25, 2005 2.0 1.5 1.0 0.5 2.5 60 0 75 0 45 30 15 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 0.1 100 140 0 20 40 60 120 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 skt2 skt3 skt4 SKT5 thru sktb 1.0 0.1 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 SKT5 skt6 skt7 t j = 25 c pulse width = 300 m s duty cycle = 2% skt2 skt3 skt4 skt8 skt9 sktb
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