schottky rectifier 20 amp mbr2045ct mbrb2045ct mbr2045ct-1 bulletin pd-2.320 rev. d 07/03 1 www.irf.com major ratings and characteristics i f(av) rectangular waveform 20 a (per device) i frm @ t c = 135c 20 a (per leg) v rrm 35/45 v i fsm @ tp = 5 s sine 1060 a v f @ 10 apk, t j = 125c 0.57 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 and d 2 pak 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 anode 1 3 2 base common cathode 2 a node common cathode to-262 anode 1 3 2 base common cathode 2 a node common cathode anode 1 3 2 base common cathode 2 a node common cathode
mbr2045ct, mbrb2045ct, mbr2045ct-1 bulletin pd-2.320 rev. d 07/03 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 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) electrical specifications (1) pulse width < 300s, duty cycle <2% i f(av) max. average forward (per leg) 10 a @ t c = 135 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 = 135 c i fsm non repetitive peak 1060 5s sine or 3s surge current rect. pulse surge applied at rated load conditions halfwave, single phase, 60hz e as non-repetitive avalanche energy 8 mj (per leg) t j = 25 c, i as = 2 amps, l = 4 mh i ar repetitive avalanche current 2 a current decaying linearly to zero in 1 sec (per leg) frequency limited by t j max. v a = 1.5 x v r typical absolute maximum ratings parameters values units conditions following any rated load condition and with rated v rrm applied a 150 v fm max. forward voltage drop 0.84 v @ 20a t j = 25 c (1) 0.57 v @ 10a 0.72 v @ 20a i rm max. instantaneus reverse current 0.1 ma t j = 25 c (1) 15 ma t j = 125 c v f(to) threshold voltage 0.354 v t j = t j max. r t forward slope resistance 17.6 m ? c t max. junction capacitance 600 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 10000 v/ s (rated v r ) parameters values units conditions rated dc voltage t j = 125 c mbr2035ct mbr2045ct mbrb2035ct mbrb2045ct mbr2035ct-1 mbr2045ct-1 v r max. dc reverse voltage (v) v rwm max. working peak reverse voltage (v) 35 45 voltage ratings parameters
mbr2045ct, mbrb2045ct, mbr2045ct-1 bulletin pd-2.320 rev. d 07/03 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) 1 10 100 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 f fm t = 150c t = 125c t = 25c j j j forward voltage drop - v (v) instantaneous forward current - i (a) 0.0001 0.001 0.01 0.1 1 10 100 0 5 10 15 20 25 30 35 40 45 r r 100c 75c 50c 25c re ve rse curre n t - i (m a) reverse voltage - v (v) t = 150c j 125c 100 1000 0 1020304050 r t junction capacitance - c (pf) reverse volta g e - v (v) t = 25c j 0.01 0.1 1 10 0.00001 0.0001 0.001 0.01 0.1 1 10 100 thjc t , rectangular pulse duration (seconds) single pulse ( th e r m a l re si st a n c e ) 1 therma l imped a nc e z (c/ w) no t e s: 1. duty factor d = t / t 2. peak 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
mbr2045ct, mbrb2045ct, mbr2045ct-1 bulletin pd-2.320 rev. d 07/03 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 120 125 130 135 140 145 150 03691215 dc allowable case temperature - (c) f( a v ) see note (2) average forward current - i (a) sq uare wa ve (d = 0.50) rated v applied r 0 2 4 6 8 10 0 2 4 6 8 10 12 14 16 dc average power loss - (watts) f(a v) rm s li m i t d = 0.20 d = 0.25 d = 0.33 d = 0.50 d = 0.75 average forward current - i (a) 100 1000 10 100 1000 10000 fsm non-repetitive surge current - i (a) p at any rated load condition and with rated v applied following surge rrm sq ua re wa ve pulse dura t io n - t (mic ro se c )
mbr2045ct, mbrb2045ct, mbr2045ct-1 bulletin pd-2.320 rev. d 07/03 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 common cathode 123 anode common cathode a node 12 outline table 35 = 35v 45 = 45v 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 mbrb 2045ct-1 6
mbr2045ct, mbrb2045ct, mbr2045ct-1 bulletin pd-2.320 rev. d 07/03 6 www.irf.com trr feed dir ection trl feed direction 10.90 (0.429) 10.70 (0.421) 16.10 (0.634) 15.90 (0.626) 1.75 (0.069) 1.25 (0.049) 1.85 (0.073) 1.65 (0.065) 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 (0.609) 15.22 (0.601) 4.72 (0.186) 4.52 (0.178) 24.30 (0.957) 23.90 (0.941) 0.368 (0.0145) 0.342 (0.0135) 360 (14.173) dia. max. 26.40 (1.039) 24.40 (0.961) 13.50 (0.532) 12.80 (0.504) dia. 60 (2.362) dia. min. smd-220 tape & reel when ordering, indicate the part number, part orientation, and the quantity. quantities are in multiples of 800 pieces per reel for both trl and t rr. 10.16 (0.40) ref. 8.89 (0.35) 4.57 (0.18) 4.32 (0.17) 0.61 (0.02) max. 5.08 (0.20) ref. 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) 5.28 (0.21) 4.78 (0.19) 4.69 (0.18) 4.20 (0.16) 0.55 (0.02) 0.46 (0.02) 14.73 (0.58) 15.49 (0.61) 1.40 (0.055) 1.14 (0.045) 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 common cathode 123 anode common cathode a node 12
mbr2045ct, mbrb2045ct, mbr2045ct-1 bulletin pd-2.320 rev. d 07/03 7 www.irf.com outline table dimensions in millimeters and (inches) modified jedec outline to-262 2 base common cathode 123 anode common cathode a node 12
mbr2045ct, mbrb2045ct, mbr2045ct-1 bulletin pd-2.320 rev. d 07/03 8 www.irf.com ir world headquarters: 233 kansas st., el segundo, california 90245, usa tel: (310) 252-7105 tac fax: (310) 252-7309 visit us at www.irf.com for sales contact information. 07/03 data and specifications subject to change without notice. this product has been designed and qualified for industrial level. qualification standards can be found on ir's web site. mbr2045ct ******************************************** * this model has been developed by * * wizard spice model generator (1999) * * (international rectifier corporation) * * contain proprietary information * ******************************************** * spice model diode is composed by a * * simple diode plus paralled vcg2t * ******************************************** .subckt mbr2045ct ano cat d1 ano 1 dmod (0.03215) *define diode model .model dmod d(is=3.22473520069593e-04a,n=1.51153417806053,bv=52v, + ibv=0.64831328218128a,rs= 0.00042438,cjo=2.77992867902976e-08, + vj=2.31227489200041,xti=2, eg=0.682207095559952) ******************************************** *implementation of vcg2t vx 1 2 dc 0v r1 2 cat tres 1e-6 .model tres res(r=1,tc1=-29.9397914371146) gp1 ano cat value={-abs(i(vx))*(exp((((1.396526e-04/-29.93979)*((v(2,cat)*1e6)/(i(vx)+1e-6)- 1))+1)*4.399843e-02*abs(v(ano,cat)))-1)} ******************************************** .ends mbr2045ct thermal model subcircuit .subckt mbr2045ct 5 1 ctherm1 5 4 1.43e+00 ctherm2 4 3 1.46e+01 ctherm3 3 2 9.30e+01 ctherm4 2 1 1.69e+03 rtherm1 5 4 5.79e-01 rtherm2 4 3 7.72e-01 rtherm1 3 2 4.45e-01 rtherm1 2 1 1.93e-01 .ends mbr2045ct
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