reverse energy tested rohs compliant microsemi catalog number cpt20040* cpt20045* cpt20050* 50v 45v 40v reverse voltage repetitive peak schottky barrier rectifier guard ring protection 200 amperes/35 to 50 volts common cathode center tap working peak reverse voltage 40v 45v 50v cpt20035* 35v 35v 1/4-20 --- --- notes max. min. max. min. 3.150 bsc 80.01 bsc --- --- 1.375 bsc 34.92 bsc dia. dia. 0.195 0.340 --- 0.290 --- 0.510 0.130 0.630 0.800 3.630 0.180 0.312 0.600 0.275 0.010 0.490 0.120 --- 0.700 --- 4.95 8.64 --- 7.37 --- 12.95 3.30 16.00 20.32 92.20 4.57 7.92 15.24 6.99 0.25 12.45 3.05 --- 17.78 --- w v u r q n h g f e c b a millimeters dim. inches t case to sink junction to case r 0 0 r t thermal and mechanical characteristics schottky powermod 175c junction temperature t t *pulse test: pulse width 300sec, duty cycle 2% l average forward current t t t t i i v v v r = 5.0v, j = 25c t typical junction capacitance per leg max peak reverse current max peak reverse current max peak forward voltage max peak forward voltage maximum surge current average forward current l l f(av) 200 amps f(av) 100 amps fsm 2000 amps i r(ov) 2 amps fm 0.80 volts v fm 0.60 volts v rm 75ma i rm 4.0ma i j 4600pf c c = 143c, f = 1 khz, 25c, 1 sec square wave fm = 200a: j = 25c* fm = 200a: j = 175c* rrm, j = 125c* 8.3ms, half sine, j = 175c per pkg per leg per leg per leg per leg per leg per leg maximum repetitive reverse current per leg cpt20035 - cpt20050 *add suffix a for common anode, d for doubler electrical characteristics storage temp range operation junction temp range max thermal resistance per leg weight terminal torque mounting base torque (outside holes) center bolt must be torqued first 2.8 ounces (75 grams) typical jc cs 0.5c/w 0.08c/w -55c to 175c -55c to 175c stg j r r rrm, j = 25c square wave, 0jc = 0.25c/w mounting base torque (center hole) typical thermal resistance (greased) 35-50 inch pounds 30-40 inch pounds 8-10 inch pounds copper baseplate: nickel plated notes: d=doubler baseplate a=common anode baseplate common cathode baseplate w n q h c e b v u f u g r a max thermal resistance per pkg jc r 0 junction to case 0.25c/w mbrp20045ct industry part number 201cnq045 201CNQ040 201cnq035 t square wave, 0jc = 0.5c/w c = 143c, january, 2010 - rev. 4 www.microsemi.com
average forward current - amperes maximum allowable case temperature - c 150 120 90 60 30 0 175 165 155 145 135 125 115 105 figure 2 forward current derating - per leg 50 100 5.0 10 1.0 0.5 100,000 60,000 40,000 20,000 10,000 6000 4000 2000 1000 typical junction capacitance - per leg figure 3 0.1 junction capacitance - pf reverse voltage - volts maximum forward power dissipation - per leg figure 5 0 30 45 60 75 90 105 0 30 60 90 120 150 maximum power dissipation - watts average forward current - amperes 15 figure 1 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.0 2.0 4.0 6.0 8.0 10 20 40 60 80 100 200 400 600 800 1000 instantaneous forward current - amperes instantaneous forward voltage - volts .01 figure 4 0.1 1.0 10 100 1000 175 c 25 c 90 120 180 90 120 180 cpt20035 - cpt20050 typical forward characteristics - per leg typical reverse current - ma 25 c 75 c 125 c 175 c reverse voltage - volts typical reverse characteristics - per leg 0 10 20 30 40 50 60 dc 60 dc january, 2010 - rev. 4 www.microsemi.com
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