sl42 thru sl44 vishay general semiconductor 1 surface mount schottky barrier rectifier features ? low profile package ? ideal for automated placement ? guardring for overvoltage protection ? low power losses, high efficiency ? very low forward voltage drop ? high surge capability ? meets msl level 1, per j-std-020, lf maximum peak of 260 c ? solder dip 260 c, 40 s ? component in accordance to rohs 2002/95/ec and weee 2002/96/ec typical applications for use in low voltage high frequency inverters, freewheeling, dc-to-dc converters, and polarity protection applications. mechanical data case: do-214ab (smc) epoxy meets ul 94v-0 flammability rating terminals: matte tin plated leads, solderable per j-std-002 and jesd22-b102 e3 suffix for consumer grade, meets jesd 201 class 1a whisker test, he3 suffix for high reliability grade (aec q101 qualified), meets jesd 201 class 2 whisker test polarity: color band denotes the cathode end e4 primary characteristics i f(av) 4.0 a v rrm 20 v to 40 v i fsm 150 a v f 0.31 v, 0.35 v t j max. 125 c do-214ab (smc) note: (1) p.c.b. mounted 0.55 x 0.55" (14 x 14 mm) copper pad areas, t l = 90 c maximum ratings (t a = 25 c unless otherwise noted) parameter symbol sl42 sl43 sl44 unit 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 (1) at t l (fig. 1) i f(av) 4.0 8.0 a peak forward surge current 8.3 ms single half sine-wave superimposed on rated load i fsm 150 a operating junction temperature range t j - 55 to + 125 c storage temperature range t stg - 55 to + 150 c
sl42 thru sl44 vishay general semiconductor 2 note: (1) pulse test: 300 s pulse width, 1 % duty cycle note: (1) p.c.b. mounted 0.55 x 0.55" (14 x 14 mm) copper pad areas, t l = 90 c note: (1) automotive grade aec q101 qualified ratings and characteristics curves (t a = 25 c unless otherwise noted) electrical characteristics (t a = 25 c unless otherwise noted) parameter test conditions symbol sl42 sl43 sl44 unit maximum instantaneous forward voltage at (1) i f = 4.0 a i f = 4.0 a i f = 8.0 a i f = 8.0 a t a = 125 c t a = 25 c t a = 125 c t a = 25 c v f 0.31 0.42 0.37 0.47 0.35 0.44 0.41 0.50 v maximum dc reverse current at rated dc blocking voltage (1) t a = 25 c t a = 100 c i r 0.5 35 ma thermal characteristics (t a = 25 c unless otherwise noted) parameter symbol sl42 sl43 sl44 unit typical thermal resistance (1) r ja r jl 50 14 c/w ordering information (example) preferred p/n unit weight (g) preferred package code base quantity delivery mode sl43-e3/57t 0.235 57t 850 7" diam eter plastic tape and reel sl43-e3/9at 0.235 9at 3500 13" di ameter plastic tape and reel sl43he3/57t (1) 0.235 57t 850 7" diameter plastic tape and reel sl43he3/9at (1) 0.235 9at 3500 13" diameter plastic tape and reel figure 1. forward current derating curve a v erage for w ard c u rrent (a) lead temperat u re (c) 0 25 50 75 100 125 0 2 4 6 8 10 on al u min u m s ub strate on fr4 board figure 2. maximum non-repetitive peak forward surge current peak for w ard s u rge c u rrent (a) 150 125 100 75 50 25 0 110 100 nu m b er of cycles at 60 hz t j = t j max. 8 .3 ms single half sine- w a v e
sl42 thru sl44 vishay general semiconductor 3 package outline dimensions in inches (millimeters) figure 3. typical instantaneous forward characteristics figure 4. typical reve rse characteristics instantaneo u s for w ard c u rrent (a) instantaneo u s for w ard v oltage ( v ) 100 10 1 0.1 0.01 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 p u lse w idth = 300 s 1 % d u ty cycle t j = 125 c t j = 25 c sl42 & sl43 sl44 instantaneo u s re v erse c u rrent (ma) percent of rated peak re v erse v oltage ( % ) 0 20 40 60 8 0 100 0.001 0.01 0.1 1 10 100 t j = 125 c t j = 75 c t j = 25 c figure 5. typical junction capacitance j u nction capacitance (pf) re v erse v oltage ( v ) 0.1 1 10 100 100 1000 10 000 t j = 25 c f = 1.0 mhz v sig = 50 m v p-p 0.260 (6.60) 0.2 8 0 (7.11) 0.006 (0.152) 0.012 (0.305) 0.030 (0.76) 0.060 (1.52) 0.00 8 (0.2) 0.305 (7.75) 0.320 ( 8 .13) 0.220 (5.59) 0.246 (6.22) 0.079 (2.06) 0.103 (2.62) 0.114 (2.90) 0.126 (3.20) cathode band do-214ab (smc) 0.1 8 5 (4.69) max. 0.320 ref. 0.126 (3.20) mi n . 0.060 (1.52) mi n . mountin g pad layout 0 (0)
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