rohs compliant fst17140* fst17145* fst17150* 50v 45v 40v thermal and mechanical characteristics dim. inches millimeters a b c e f g h j k l m n p r 50.67 7.62 12.57 25.15 60.71 3.05 6.10 8.38 4.45 0.89 50.93 8.26 12.83 25.65 61.21 3.30 6.60 8.90 4.95 1.14 1.995 0.300 0.495 0.990 2.390 0.120 0.240 0.330 0.175 0.035 2.005 0.325 0.505 1.010 2.410 0.130 0.260 0.350 0.195 0.045 dia. dia. --- --- min. max. min. max. notes 0.400 10.16 to lead c 40v 45v 50v k 0.910 0.890 23.11 22.61 0.510 0.490 12.95 12.45 1.510 1.490 38.35 37.85 d 4.62 0.182 0.192 4.88 l storage temp range operating junction temp range max thermal resistance per pkg. mounting torque 15-20 inch pounds t t o o r r weight 2.5 ounces (71 grams) typical stg j jc cs -55c to 175c -55c to 175c 0.85c/w junction to case case to sink repetitive peak reverse voltage reverse voltage working peak catalog number microsemi schottky powermod fst17140 - fst17150 average forward current per leg f(av) i 85 amps c = 115c, square wave, 0jc = 0.85c/w t r * *pulse test: pulse width 300sec, duty cycle 2% r rrm, j = 25c i max peak reverse current per leg rm 2 ma v t * * t i t t t t t v v i r = 5.0v, j = 25c rrm, j = 125c fm = 80a: j = 25c fm = 80a: j = 175c f = 1 khz, 25c, 1sec square wave 8.3 ms, half sine j = 175c c = 120c, square wave, 0jc = 0.425c/w 2300 pf 60 ma .74 volts .58 volts 2 amps 1200 amps 170 amps v fm max peak forward voltage per leg max repetitive peak reverse current per leg r(ov) i c i v i i j rm fm fsm f(av) typical junction capacitance per leg max peak reverse current per leg max peak forward voltage per leg maximum surge current per leg average forward current per pkg electrical characteristics *add suffix a for common anode, d for doubler typical thermal resistance (greased) junction to case 0.425c/w jc r o 0.1c/w notes: baseplate: nickel plated copper pins: nickel plated copper d=doubler a=common anode common cathode 1 2 1 2 1 2 3 3 3 h f r g p m l j d b a c 1 3 e n 4 places max thermal resistance per leg high surge capacity reverse energy tested schottky barrier rectifier v rrm - 40 to 50 volts guard ring for reverse protection january, 2010 - rev. 2 www.microsemi.com
25 c instantaneous forward voltage - volts instantaneous forward current - amperes 1000 800 600 400 200 100 80 60 40 20 10 8.0 6.0 4.0 2.0 1.0 figure 1 figure 2 50 100 5.0 10 1.0 0.5 10000 6000 4000 2000 1000 600 400 200 100 figure 3 0.1 junction capacitance - pf 100 10 1.0 0.1 reverse voltage - volts 10 20 30 40 reverse voltage - volts 50 .01 typical reverse current - ma 125 c 75 c 25 c forward current derating - per leg figure 4 average forward current - amperes maximum allowable case temperature - c 175 165 155 145 0 15 30 180 120 60 90 dc 0 0 15 30 average forward current - amperes maximum power dissipation - watts figure 5 maximum forward power dissipation - per leg 60 90 120 180 dc fst17140 - fst17150 typical forward characteristics - per leg typical junction capacitance - per leg typical reverse characteristics - per leg 0 .2 .4 .6 .8 1.0 1.2 1.4 175 c 0 105 115 125 135 45 60 75 90 105 120 135 150 45 60 75 90 105 120 135 150 105 90 75 60 45 30 15 175 c .001 january, 2010 - rev. 2 www.microsemi.com
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