20v-40v 4.0a SL42 thru sl44 1 of 2 mechanical data web site: www.taychipst.com features e-mail: sales@taychipst.com maximum ratings and electrical characteristics l o w v f s u r f a c e m o u n t s c h o t t k y b a r r i e r r e c t i f i e r plastic package has underwriters laboratory flammability classification 94v-0 for surface mount applications low profile package built-in strain relief, ideal for automated placement easy pick and place metal silicon junction, majority carrier conduction low power loss, high efficiency high current capability, low forward voltage drop for use in low voltage, high frequency inverters, free wheeling, and polarity protection applications high temperature soldering: 250?c/10 seconds at terminals 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 ounce 0.25 gram ratings at 25?c ambient temperature unless otherwise specified. symbols SL42 sl43 sl44 units device marking code sl2 sl3 sl4 maximum repetitive peak reverse voltage v rrm 20 30 40 volts maximum rms voltage v rms 14 21 28 volts maximum dc blocking voltage v dc 20 30 40 volts maximum average forward rectified current (note 2) 4.0 at t l (see fig. 1) (note 3) i (av) 8.0 amps peak forward surge current 8.3ms single half sine-wave superimposed on i fsm 150 amps rated load (jedec method) maximum instantaneous forward voltage at: (note 1) i f =4.0a, t a =125?c 0.31 0.35 i f =4.0a, t a =25?c v f 0.42 0.44 volts i f =8.0a, t a =125?c 0.37 0.41 i f =8.0a, t a =25?c 0.47 0.50 maximum dc reverse current (note 1) t a =25?c 0.5 at rated dc blocking voltage t a =100?c i r 35.0 ma typical thermal resistance (note 2) r q ja 50 r q jl 14 ?c/w operating junction temperature range t j -55 to +125 ?c storage temperature range t stg -55 to +150 ?c notes: (1) pulse test: 300 m 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, r q jl =6 c/w
2 of 2 e-mail: sales@taychipst.com web site: www.taychipst.com l o w v f s u r f a c e m o u n t s c h o t t k y b a r r i e r r e c t i f i e r 20v-40v 4.0a SL42 thru sl44 1 10 100 0 25 50 75 100 125 150 0 20 40 60 80 100 0.001 0.01 0.1 1 10 50 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 0.1 1 10 100 100 1,000 4,000 0 25 50 75 100 125 0 2 4 6 8 10 fig. 1 - forward current derating curve average forward current, amperes lead temperature, c r q jl = 6 c/w r q jl = 14 c/w fig. 2 - maximum non-repetitive peak forward surge current number of cycles at 60 h z peak forward surge current, amperes t j =t j max. 8.3ms single half sine-wave (jedec method) t j =125?c fig. 3 - typical instantaneous forward characteristics fig. 4 - typical reverse characteristics instantaneous forward current, amperes instantaneous reverse current, milliamperes instantaneous forward voltage, volts percent of rated peak reverse voltage, % fig. 5 - typical junction capacitance junction capacitance, pf reverse voltage, volts t j =75?c t j =25?c t j =25?c pulse width=300 m s 1% duty cycle t j =125?c t j =25?c f=1.0 mh z vsig=50mvp-p SL42 and sl43 sl44
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