dimensions in inches and (millimeters) - 48 - smb/do-214aa features for surface mounted application metal to silicon rectifier, majority carrier conduction low forward voltage drop easy pick and place high surge current capability plastic material used carriers underwriters laboratory classification 94v-0 epitaxial construction high temperature soldering: 260 o c / 10 seconds at terminals mechanical data case: molded plastic terminals: pure tin plated, lead free. polarity: indicated by cathode band weigh t: 0.093 gram maximum ratings and electrical characteristics rating at 25 o c ambient temperature unless otherwise specified. single phase, half wave, 60 hz, resistive or inductive load. for capacitive load, derate current by 20% type number symbol sk 52b sk 53b sk 54b sk 55b sk 56b sk 59b sk 510b sk 515b units maximum recurrent peak reverse voltage v rrm 20 30 40 50 60 90 100 150 v maximum rms voltage v rms 14 21 28 35 42 63 70 105 v maximum dc blocking voltage v dc 20 30 40 50 60 90 100 150 v maximum avera g e forward rectified current at t l (see fig. 1) i (av) 5.0 a peak forward surge current, 8.3 ms single half sine-wave superimposed on rated load (jedec method ) i fsm 120 a maximum instantaneous forward voltage @ 5.0a v f 0.55 0.75 0.85 0.95 v 0.5 0.1 maximum dc reverse current (note 1) @ t a =25 o c at rated dc blockin g volta g e @ t a =125 o c i r 20 10 2.0 ma ma typical thermal resistance ( note 2 ) r jl r ja 19 60 o c/w operating temperature range t j -55 to +150 o c storage temperature range t stg -55 to +150 o c notes: 1. pulse test with pw=300 usec, 1% duty cycle 2. measured on p.c.board with 0.4? x 0.4? (10mm x 10mm) copper pad areas. sk52b-sk515b 5.0amps. surface mount schottky barrier rectifiers http://www.luguang.cn mail:lge@luguang.cn
ratings and characteristic curves (sk52b thru sk515b) fig. 1- maximum forward current derating curve fig. 2- maximum non-repetitive peak forward current surge fig. 3- typical forward characteristics fig. 4- typical reverse characteristics fig. 5- typical junction capacitance average forward current.(a) peak forward surge current .(a) instantaneous forward current .(a) instantaneous reverse current.(ma) junction capacitance.(pf) lead temp erature.( c) o number of cycles at 60hz forward voltage.(v) percent of rated peak reverse voltage.(%) reverse voltage.(v) t, pulse duration, (sec) 50 60 70 80 90 100 110 120 130 140 150 160 0 1.0 2.0 3.0 1 10 100 150 130 110 90 70 50 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.5 0.01 0.1 1 10 40 0 20 40 60 80 100 120 140 0.001 0.01 0.1 1 10 20 0.1 10 1 10 100 100 1000 0.01 0.1 0.1 1 10 100 resistive or inductiveload pcb mounted on 0.2x0.2" (5.0x5.0mm)copper pad areas pulse width=300 s 1% duty cycle tj=125 o c tj=75 o c tj=25 c o tj=25 c f=1.0mhz vsig=50mvp-p o transcient thermal impedance, ( c/w) o 1 10 100 at rated tl 8.3ms single half sine wave jedec method sk59b-sk515b sk55b-sk56b sk52b-sk54b sk59b-sk515b sk52b-sk54b sk55b-sk56b tj=25 o c tj=125 o c tj=125 c o sk52b-sk54b sk55b-sk515b fig.6- typical transient thermal characteristics sk52b-sk515b 5.0amps. surface mount schottky barrier rectifiers http://www.luguang.cn mail:lge@luguang.cn
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