3 amp schottky rectifier 20 to 100 volts features for surface mount applications extremely low thermal resistance easy pick and place high temp soldering: 250 c for 10 seconds at terminals\ high current capability with low forward voltage maximum ratings electrical characteristics @ 25 c unless otherwise specified average forward current i f(av) 3.0a t j = 120 c peak forward surge current i fsm 100a 8.3ms, half sine maximum dc reverse current at rated dc blocking voltage i r .5ma 20ma t j = 25 c t j = 100 c typical junction capacitance c j 45pf measured at 1.0mhz, v r =4.0v *pulse test: pulse width 200 m sec, duty cycle 2% operating temperature: - 5 5 c to +12 5 c storage temperature: - 5 5 c to +1 50 c maximum thermal resistance; 10 c/w junction to lead catalog number device marking maximum reccurrent peak reverse voltage maximum rms voltage maximum dc blocking voltage s k32b sk32b 20v 14v 20v s k3 3 b s k33b 30v 21v 30v s k34b s k34 b 40v 28v 40v s k35b s k35b 50v 35v 50v s k36b s k36b 60v 42v 60v s k38b s k38b 80v 56v 80v s k31 0 b s k310b 100v 70v 100v maximum instantaneous forward voltage s k32b-34b s k35b - 36b sk 3 8 b - 310b v f .5 0 v .7 5 v .85v i fm = 3 .0a; t j = 25 c* do-214a a s m b h j e f g a b d c cat hode b and 0.070? 0.090" 0.085? suggested solder pad layout dimensions inches mm dim min max min max note a .078 .116 1.98 2.95 b .075 .089 1.90 2.25 c .002 .008 .05 .20 d ---- - .02 ----- .51 e .035 .055 .90 1.40 f .065 .091 1.65 2.32 g .205 .224 5.21 5.69 h .160 .180 4.06 4.57 j .130 .155 3.30 3.94 sk32b thru sk310b 1 www.htsemi.com semiconductor jinyu date:2011/05
average forward rectified current - amperes versus ambient temperature - c figure 2 forward derating curve 40 60 100 120 140 160 0 .5 1.0 1.5 single phase, half wave 60hz resistive or inductive load amps c 80 2.0 2.5 3.0 sk32b - 34b SK35B-310b figure 3 junction capacitance .1 .2 1 .4 2 10 20 404 100 200 10 20 60 100 200 1000 junction capacitance - pf versus reverse voltage - volts pf volts 600 400 40 400 1000 t j =25 c SK35B-sk310b figure 1 typical forward characteristics instantaneous forward current - amperes versus instantaneous forward voltage - volts volts 4 6 20 10 amps .2 1.2 .4 .6 .8 1.0 .01 .02 .04 .06 .1 .2 .4 .6 1 2 25 c 40 60 100 1.4 sk32b-sk34b SK35B-sk38b sk32b-34b sk32b thru sk310b 2 www.htsemi.com semiconductor jinyu date:2011/05
figure 4 typical reverse characteristics instantaneous reverse leakage current - microamperes versus percent of rated peak reverse voltage - volts volts .4 .6 2 1 m amps 20 120 40 60 80 100 .001 .002 .004 .006 .01 .02 .04 .06 .1 .2 25 c 4 6 10 140 1 100 4 0 25 50 75 8 figure 5 peak forward surge current peak forward surge current - amperes versus number of cycles at 60hz - cycles amps cycles 2 6 10 20 60 80 40 100 125 150 SK35B-310b sk32b-34b sk32b thru sk310b 3 www.htsemi.com semiconductor jinyu date:2011/05
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