39.62 19.69 maximum sq. dia. 19.18 30.28 4.06 14.73 4.06 15.88 38.61 18.42 minimum millimeter 3.96 13.34 3.86 18.92 30.02 15.37 dia. 3.30 12.83 3.05 12.57 1.52 .725 .745 1.182 .156 .525 .152 .605 b a d e g j h f c dim. inches minimum .120 .495 k l 1.56 .130 .160 .580 .160 1.192 .625 .505 1/4-20 unc-2b .755 .775 maximum notes base is anode std. polarity rev. polarity base is cathode b d c f l k e a g j h rohs compliant 181nq035 guard ring protection rrm 35-45 volts 175c junction temperature schottky barrier rectifier v low forward voltage reverse energy tested industry 181nq040 181nq045 part number * add suffix r for reverse polarity 40v 45v 35v reverse voltage repetitive peak hs18140* hs18145* hs18135* catalog number microsemi 40v 45v working peak reverse voltage 35v 2 amps t r t t t t t i v v v r = 5.0v, j = 25c, f = 1mhz f = 1 khz, 1us square wave, j = 25c rrm, j = 125c* rrm, j = 25c 8.3ms, half sine, j = 175c fm = 180a: j = 25c* t c = 142c, square wave, 0jc = 0.3c/w i f(av) i v fm i j c i rm rm r(ov) fsm i typical junction capacitance max peak reverse current max peak reverse current maximum repetitive reverse current average forward current max peak forward voltage maximum surge current 7500pf 150ma 0.70 volts 2500 amps 180 amps *pulse test: pulse width 300sec, duty cycle 2% 4ma electrical characteristics thermal and mechanical characteristics r ocs typical thermal resistance (greased) 0.12c/w case to sink 0.3c/w 20-40 inch pounds 15-25 inch pounds -55c to 175c -55c to 175c junction to case 1.1 ounces (32 grams) typical j t t r stg ojc storage temp range max thermal resistance operating junction temp range weight terminal torque mounting base torque 180 amp schottky rectifier hs18135-hs18145 half-pak january, 2011 - rev. 5 www.microsemi.com
average forward current - amperes dc 120 180 90 60 140 120 figure 5 100 80 60 maximum forward power dissipation 300 180 240 120 60 40 20 0 0 maximum power dissipation - watts reverse voltage - volts 175 c 125 c 50 40 30 20 75 c 25 c 10 0 typical reverse current - ma 0.01 0.1 1.0 10 100 1000 typical reverse characteristics average forward current - amperes 180 figure 4 170 160 150 forward current derating 300 180 180 dc 240 120 60 60 90 140 130 120 0 110 120 maximum allowable case temperature - c reverse voltage - volts figure 3 60,000 40,000 100,000 typical junction capacitance 100 50 10 5.0 1.0 0.5 4000 6000 10,000 2000 1000 0.1 20,000 junction capacitance - pf figure 1 25 c 175 c 10 8 6 800 1000 600 100 60 80 40 20 200 400 typical forward characteristics 1.4 1.2 1.0 0.4 0.6 4 2 0.2 0 1 0.8 instantaneous forward voltage - volts instantaneous forward current - amperes hs18135-hs18145 figure 2 january, 2011 - rev. 5 www.microsemi.com
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