sl42 thru SL44 vishay semiconductors formerly general semiconductor document number 88742 www.vishay.com 1-jul-02 1 low v f surface mount schottky rectifier reverse voltage 20 to 40v forward current 4.0a 0.280 (7.11) 0.260 (6.60) 0.012 (0.305) 0.006 (0.152) 0.008 (0.203) max. 0.320 (8.13) 0.305 (7.75) 0.060 (1.52) 0.030 (0.76) 0.245 (6.22) 0.220 (5.59) 0.126 (3.20) 0.114 (2.90) 0.103 (2.62) 0.079 (2.06) cathode band dimensions in inches and (millimeters) do-214ab (smc) maximum ratings and thermal characteristics (t a = 25? unless otherwise noted) parameter symbols sl42 sl43 SL44 units device marking code sl2 sl3 sl4 maximum repetitive peak reverse voltage v rrm 20 30 40 v maximum rms voltage v rms 14 21 28 v maximum dc blocking voltage v dc 20 30 40 v maximum average forward rectified current (2) i f(av) 4.0 a at t l (see fig. 1) 8.0 peak forward surge current 8.3ms single half sine-wave superimposed on rated load (jedec method) i fsm 150 a typical thermal resistance (2) r ja 50 r jl 14 ?/w operating junction temperature range t j ?5 to +125 ? storage temperature range t stg -55 to 150 ? electrical characteristics (t a = 25? unless otherwise noted) maximum instantaneous forward i f =4.0a, t a =125? 0.31 0.35 voltage at (1) i f =4.0a, t a =25? v f 0.42 0.44 i f =8.0a, t a =125? 0.37 0.41 v i f =8.0a, t a =25? 0.47 0.50 maximum dc reverse current (note 1) t a =25? 0.5 at rated dc blocking voltage t a =100? i r 35 ma notes: (1) pulse test: 300 s pulse width, 1% duty cycle, (2) p.c.b. mounted 0.55 x 0.55 (14 x 14mm) copper pad areas, t l =90 c (3) mounted on al plate, t l =60 c features plastic package has underwriters laboratory flammability classification 94v-0 ?low profile surface mount package ?built-in strain relief ?low power loss, high efficiency ?for use in low voltage high frequency inverters, free wheeling, and polarity protection applications ?guardring for overvoltage protection ?high temperature soldering guaranteed: 250?/10 seconds at terminals 0.185 max. (4.69 max.) 0.121 min. (3.07 min.) 0.060 min. (1.52 min.) 0.320 ref mounting pad layout do-214ab mechanical data case: jedec do-214ab molded plastic body terminals: solder plated, solderable per mil- std-750, method 2026 polarity: color band denotes cathode end weight: 0.007 oz. 0.25 g
sl42 thru SL44 vishay semiconductors formerly general semiconductor www.vishay.com document number 88742 2 1-jul-02 ratings and characteristic curves (t a = 25 c unless otherwise noted) fig. 2 ?maximum non-repetitive peak forward surge current instantaneous forward current (a) junction capacitance (pf) instantaneous reverse current (ma) fig. 4 ?typical reverse characteristics percent of rated peak reverse voltage (%) fig. 3 ?typical instantaneous forward characteristics fig. 5 ?typical junction capacitance number of cycles at 60h z instantaneous forward voltage (v) reverse voltage (v) peak forward surge current (a) fig. 1 ?forward current derating curve average forward current (a) lead temperature ( c) 0 25 50 75 100 125 0 2 4 6 8 10 on aluminum substrate on fr4 board 1 10 100 0 25 50 75 100 125 150 t j = t j max. 8.3ms single half sine-wave (jedec method) 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 0.01 0.1 1 10 50 pulse width = 300 s 1% duty cycle sl42 and sl43 SL44 0 20 40 60 80 100 0.001 0.01 0.1 1 10 50 0.1 1 10 100 100 1,000 4,000 t j = 25 c f = 1.0mh z vsig = 50mvp-p t j = 25 c t j = 75 c t j = 125 c t j = 25 c t j = 125 c
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