schottky rectifier 20 amp mbr20...ct mbrb20...ct mbr20...ct-1 pd-2.321 rev. g 10/99 1 www.irf.com major ratings and characteristics i f(av) rectangular waveform 20 a (per device) i frm @ t c = 133c 20 a (per leg) v rrm 80/90/100 v i fsm @ tp = 5 s sine 850 a v f @ 10 apk, t j = 125c 0.70 v t j range - 65 to 150 c characteristics values units description/features this center tap schottky rectifier has been optimized for low reverse leakage at high temperature. the proprietary barrier technology allows for reliable operation up to 150 c junction temperature. typical applications are in switching power supplies, converters, free-wheeling diodes, and reverse battery protection. 150 c t j operation center tap to-220, d 2 pak and to-262 packages low forward voltage drop high purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance high frequency operation guard ring for enhanced ruggedness and long term reliability case styles mbr20...ct mbrb20...ct mbr20...ct-1 to-220 d 2 pak to-262
mbr20...ct, mbrb20...ct, mbr20...ct-1 pd-2.321 rev. g 10/99 2 www.irf.com t j max. junction temperature range -65 to 150 c t stg max. storage temperature range -65 to 175 c r thjc max. thermal resistance 2.0 c/w dc operation junction to case (per leg) r thcs typical thermal resistance 0.50 c/w mounting surface, smooth and greased case to heatsink only for to-220 r thja max. thermal resistance 50 c/w dc operation junction to ambient for d 2 pak and to-262 wt approximate weight 2 (0.07) g (oz.) t mounting torque min. 6 (5) non-lubricated threads max. 12 (10) thermal-mechanical specifications parameters values units conditions kg-cm (ibf-in) v fm max. forward voltage drop 0.80 v @ 10a (1) 0.95 v @ 20a 0.70 v @ 10a 0.85 v @ 20a i rm max. instantaneus reverse current 0.10 ma t j = 25 c (1) 6 ma t j = 125 c v f(to) threshold voltage 0.433 v t j = t j max. r t forward slope resistance 15.8 m w c t max. junction capacitance 400 pf v r = 5v dc , (test signal range 100khz to 1mhz) 25c l s typical series inductance 8.0 nh measured from top of terminal to mounting plane dv/dt max. voltage rate of change 10,000 v/ s (rated v r ) electrical specifications parameters values units conditions rated dc voltage t j = 25 c t j = 125 c (1) pulse width < 300s, duty cycle <2% i f(av) max. average forward (per leg) 10 a @ t c = 133 c, (rated v r ) current (per device) 20 i frm peak repetitive forward 20 a rated v r , square wave, 20khz current (per leg) t c = 133 c i fsm non repetitive peak 5s sine or 3s surge current rect. pulse surge applied at rated load conditions halfwave, single phase, 60hz i rrm peak repetitive reverse 0.5 a 2.0 sec 1.0 khz surge current absolute maximum ratings following any rated load condition and with rated v rrm applied a 150 80 90 100 voltage ratings parameters parameters values units conditions e as non-repetitive avalanche energy 24 mj t j = 25 c, i as = 2 amps, l = 60 mh (per leg) mbr2080ct mbr2090ct mbr20100ct mbrb2080ct mbrb2090ct mbrb20100ct MBR2080CT-1 mbr2090ct-1 mbr20100ct-1 850 v r max. dc reverse voltage (v) v rwm max. working peak reverse voltage (v)
mbr20...ct, mbrb20...ct, mbr20...ct-1 pd-2.321 rev. g 10/99 3 www.irf.com fig. 2 - typical values of reverse current vs. reverse voltage (per leg) fig. 3 - typical junction capacitance vs. reverse voltage (per leg) fig. 4 - max. thermal impedance z thjc characteristics (per leg) fig. 1 - max. forward voltage drop characteristics (per leg) 0.0001 0.001 0.01 0.1 1 10 100 0 20406080100 r r 125c 100c 75 c 50 c 25 c reverse current - i (ma) reve rse v oltage - v (v) t = 15 0c j 10 10 0 1000 0 20406080100 r t junction capacitance - c (pf) reverse v oltage - v (v ) t = 25c j 0.01 0.1 1 10 0.00001 0.0001 0.001 0.01 0.1 1 10 thjc t , rectang ular pulse duratio n (seco nds) sing le p ulse (thermal resistance) 1 th erm al im pe dan ce z (c /w ) notes: 1. d uty factor d = t / t 2. pe ak t = p x z + t 1 2 j thjc c dm d = 0.75 d = 0.50 d = 0.33 d = 0.25 d = 0.20 2 t 1 t p dm 1 10 10 0 0.2 0 .4 0.6 0 .8 1 1 .2 1 .4 1 .6 1.8 f fm t = 15 0c t = 12 5c t = 25c j j j fo rw ard vo ltag e d rop - v (v ) insta nta ne ous f orw a rd curren t - i (a) m br20100ct b rb20100ct b r20100ct-1
mbr20...ct, mbrb20...ct, mbr20...ct-1 pd-2.321 rev. g 10/99 4 www.irf.com fig. 7 - max. non-repetitive surge current (per leg) fig. 5 - max. allowable case temperature vs. average forward current (per leg) fig. 6 - forward power loss characteristics (per leg) (2) formula used: t c = t j - (pd + pd rev ) x r thjc ; pd = forward power loss = i f(av) x v fm @ (i f(av) / d) (see fig. 6); pd rev = inverse power loss = v r1 x i r (1 - d); i r @ v r1 = rated v r 100 1000 10 100 1000 10000 fsm no n-re pe titive surg e c urre nt - i (a ) p at any rated load condition a n d w it h r a t e d v a p p lie d fo llo win g s urg e rr m sq ua re w a ve p ulse d ura tion - t (m icro se c) 0 2 4 6 8 10 0246810121416 dc av era g e po w e r loss - (w a tts) f(av) rm s lim it a ve rag e fo rw ard c urre nt - i (a ) d = 0.20 d = 0.25 d = 0.33 d = 0.50 d = 0.75 10 0 11 0 12 0 13 0 14 0 15 0 0 2 4 6 8 10 12 14 16 dc allowable case temperature - (c) f(av) see note (2) ave rag e forward c urren t - i (a ) sq uare wav e (d = 0.50) rated v applied r
mbr20...ct, mbrb20...ct, mbr20...ct-1 pd-2.321 rev. g 10/99 5 www.irf.com 3.78 (0.15) 3.54 (0.14) 10.54 (0.41) max. dia. 15.24 (0.60) 14.84 (0.58) 2.92 (0.11) 2.54 (0.10) 1 term 2 14.09 (0.55) 13.47 (0.53) 3.96 (0.16) 3.55 (0.14) 0.94 (0.04) 0.69 (0.03) 4.57 (0.18) 4.32 (0.17) 3 0.61 (0.02) max. 5.08 (0.20) ref. 1.32 (0.05) 1.22 (0.05) 6.48 (0.25) 6.23 (0.24) 2 0.10 (0.004) 1.40 (0.05) 1.15 (0.04) 2.89 (0.11) 2.64 (0.10) 1 3 2.04 (0.080) max. 2 2 dimensions in millimeters and (inches) conform to jedec outline to-220ab 2 base comm on ca th ode 12 3 anode comm on ca th ode anode 12 ordering information table device code 1 5 24 3 1 - essential part number 2 - b = surface mount none = to-220 3 - current rating 4 - voltage code: code = v rrm 5 - ct= essential part number 6 - -1 = to-262 none = to-220 080 = 80v 090 = 90v 100 = 100v mbr b 20 100 ct -1 6 outline table
mbr20...ct, mbrb20...ct, mbr20...ct-1 pd-2.321 rev. g 10/99 6 www.irf.com tr r feed dir ection tr l feed direction 10 .90 (0.429) 10 .70 (0.421) 16 .10 (0.6 34) 15 .90 (0.6 26) 1.75 (0.06 9) 1.25 (0.04 9) 1.85 (0 .07 3) 1.65 (0 .06 5) 4.10 (0.161) 3.90 (0.153) 1.60 (0.063) 1.50 (0.059) dia. 1.60 (0.063) 1.50 (0.059) dia. 11 .60 (0.457) 11 .40 (0.449) 15.42 (0.6 09) 15.22 (0.6 01) 4.72 (0.18 6) 4.52 (0.17 8) 24 .30 (0 .957) 23 .90 (0 .941) 0.368 (0.014 5) 0.342 (0.013 5) 360 (1 4.173) dia. max. 26.40 (1.0 39) 24.40 (0.9 61) 13.50 (0.5 32) 12.80 (0.5 04) dia. 60 (2.36 2) dia. min . smd-220 tape & reel when ordering, indicate th e part number, part orientation, and the quantity. qu antitie s are in multiples of 800 p iece s per reel fo r bo th trl and tr r. 10.16 (0.40) ref . 8.89 (0.35) 4.57 (0.18) 4.32 (0.17) 0.61 (0.02) m ax . 5.08 (0.20) r ef. 1.32 (0.05) 1.22 (0.05) 13 6.47 (0.25) 6.18 (0.24) 93 re f. 2.61 (0.10) 2.32 (0.09) 5.2 8 (0 .2 1) 4.7 8 (0 .1 9) 4.6 9 (0 .1 8) 4.20 (0.16) 0.55 (0.02) 0.46 (0.02) 14.73 (0.58) 15.49 (0.61) 1.4 0 (0 .0 55 ) 1.1 4 (0 .0 45 ) 3x 0.93 (0.37) 0.69 (0.27) 2x 11.43 (0.45) 17.78 (0.70) 8.89 (0.35) 3.81 (0.15) 2.08 (0.08) 2x 2.54 (0.10) 2x minimum recommended footprint 2 dimensions in millimeters and (inches) tape & reel information outline table dimensions in millimeters and (inches) conform to jedec outline d 2 pak (smd-220) 2 base comm on ca th ode 12 3 anode comm on ca th ode anode 12
mbr20...ct, mbrb20...ct, mbr20...ct-1 pd-2.321 rev. g 10/99 7 www.irf.com outline table dimensions in millimeters and (inches) modified jedec outline to-262 2 base comm on ca th ode 12 3 anode comm on ca th ode anode 12 world headquarters: 233 kansas st., el segundo, california 90245 u.s.a. tel: (310) 322 3331. fax: (310) 322 3332. european headquarters: hurst green, oxted, surrey rh8 9bb, u.k. tel: ++ 44 1883 732020. fax: ++ 44 1883 733408. ir canada: 15 lincoln court, brampton, markham, ontario l6t3z2. tel: (905) 453 2200. fax: (905) 475 8801. ir germany: saalburgstrasse 157, 61350 bad homburg. tel: ++ 49 6172 96590. fax: ++ 49 6172 965933. ir italy: via liguria 49, 10071 borgaro, torino. tel: ++ 39 11 4510111. fax: ++ 39 11 4510220. ir far east: k&h bldg., 2f, 30-4 nishi-ikebukuro 3-chome, toshima-ku, tokyo, japan 171. tel: 81 3 3983 0086. ir southeast asia: 1 kim seng promenade, great world city west tower,13-11, singapore 237994. tel: ++ 65 838 4630. ir taiwan: 16 fl. suite d.207, sec. 2, tun haw south road, taipei, 10673, taiwan. tel: 886 2 2377 9936. http://www.irf.com fax-on-demand: +44 1883 733420 data and specifications subject to change without noti ce.
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