dimensions in inches and (millimeters) sk32b - sk315b 3.0 amps. surface mount schottky barrier rectifiers 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 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 32b sk 33b sk 34b sk 35b sk 36b sk 39b sk 310b sk 315b 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 average forward rectified current at t l (see fig. 1) i (av) 3.0 a peak forward surge current, 8.3 ms single half sine-wave superimposed on rated load (jedec method ) i fsm 70 a maximum instantaneous forward voltage @ 3.0a v f 0.5 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 blocking voltage @ t a =125 o c i r 10 5 2.0 ma ma typical thermal resistance ( note 2 ) r jl r ja 17 75 o c/w operating temperature range t j -55 to +125 -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. weight: 0.093gram http://www.luguang.cn mail:lge@luguang.cn
ratings and characteristic curves (sk32b thru sk315b) 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 r of e ga re v a tn e rrucd r a w ) a(. rofkaep t ne r ru c e g rus d ra w )a ( . r o f suo enatna t sn i t ne r ruc d ra w )a(. t n erruc e sr e v er suo en a tn ats ni )a m( . pac noi tc nuj )fp (.e cn at i ca 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 1 10 120 130 140 150 160 0 1.0 2.0 3.0 1 0 10 100 30 60 90 120 150 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 0.4x0.4" (10x10mm)copper p ad 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 a t ra ted tl 8.3ms single half sine w ave jedec method sk35b-sk315b sk32b-sk34b sk39b-sk315b sk35b-sk36b sk32b-sk34b sk32b-sk34b sk39b-sk315b sk35b-sk36b tj=25 o c tj=125 o c tj=125 c o sk32b-sk34b sk35b-sk315b fig.6- typical transient thermal characteristics sk32b - sk315b 3.0 amps. surfa ce mount schottky barrier rectif iers htt.uuan.cn aieuuan.cn
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