schottky rectifier 1 amp mbrs140tr bulletin pd-20591 rev. e 07/04 1 www.irf.com major ratings and characteristics i f(av) rectangular waveform 1.0 a v rrm 40 v i fsm @ tp = 5 s sine 380 a v f @ 1.0 apk, t j =125c 0.53 v t j range - 55 to 150 c characteristics mbrs140tr units the mbrs140tr surface-mount schottky rectifier has been designed for applications requiring low forward drop and very small foot prints on pc boards. typical applications are in disk drives, switching power supplies, converters, free-wheeling diodes, battery charging, and reverse battery protection. small foot print, surface mountable low forward voltage drop high frequency operation guard ring for enhanced ruggedness and long term reliability description/ features case styles mbrs140tr smb i f(av) = 1.0amp v r = 40v
mbrs140tr bulletin pd-20591 rev. e 07/04 2 www.irf.com part number mbrs140tr v r max. dc reverse voltage (v) v rwm max. working peak reverse voltage (v) 40 voltage ratings i f(av) max. average forward current 1.0 a 50% duty cycle @ t l = 119 c, rectangular wave form i fsm max. peak one cycle non-repetitive 380 a 5s sine or 3s rect. pulse surge current 40 10ms sine or 6ms rect. pulse e as non- repetitive avalanche energy 3.0 mj t j = 25 c, i as = 1a, l = 6mh i ar repetitive avalanche current 1.0 a current decaying linearly to zero in 1 sec frequency limited by t j max. va = 1.5 x vr typical parameters value units conditions absolute maximum ratings following any rated load condition and with rated v rrm applied parameters typ. max units conditions v fm max. forward voltage drop (1) 0.52 0.6 v @ 1a 0.70 0.77 v @ 2a 0.48 0.53 v @ 1a 0.63 0.71 v @ 2a i rm max. reverse leakage current (1) - 0.1 ma t j = 25c - 4.0 ma t j = 125c c t max. junction capacitance - 80 pf v r = 5v dc (test signal range 100khz to 1mhz)25c l s typical series inductance - 2.0 nh measured lead to lead 5mm from package body dv/dt max. voltage rate of change - 10000 v/s (rated v r ) electrical specifications v r = rated v r t j = 125 c t j = 25 c (1) pulse width < 300s, duty cycle < 2% t j max. junction temperature range(*) - 55 to 150 c t stg max. storage temperature range - 55 to 150 c r thjl max. thermal resistance 36 c/w dc operation (see fig. 4) junction to lead (**) r thja max. thermal resistance 80 c/w dc operation junction to ambient wt approximate weight 0.10 (0.003) g (oz.) case style smb similar to do-214aa device marking ir14 thermal-mechanical specifications parameters value units conditions (**) mounted 1 inch square pcb < thermal runaway condition for a diode on its own heatsink (*) dptot 1 dtj rth( j-a)
mbrs140tr bulletin pd-20591 rev. e 07/04 3 www.irf.com fig. 2 - typical peak reverse current vs. reverse voltage fig. 3 - typical junction capacitance vs. reverse voltage fig. 1 - maximum forward voltage drop characteristics instantaneous forward current - i f (a) forward voltage drop - v fm (v) reverse current - i r (ma) reverse voltage - v r (v) reverse voltage - v r (v) junction capacitance - c t (p f) thermal impedance z thjc (c/w) t 1 , rectangular pulse duration (seconds) fig. 4 - max. thermal impedance z thjc characteristics (per leg) 0.0001 0.001 0.01 0.1 1 10 0 5 10 15 20 25 30 35 40 75 ? c 25 ? c 125 ? c 100 ? c 50 ? c tj = 150 ? c 10 100 1000 0 10203040 t = 25 ? c j 0.1 1 10 100 0.00001 0.0001 0.001 0.01 0.1 1 10 100 single pulse (thermal resistance) d = 0.75 d = 0.50 d = 0.33 d = 0.25 d = 0.20 2 t 1 t p dm notes: 1. duty factor d = t1/ t2 . 2. peak tj = pdm x zthjc + tc . 0.1 1 10 0.2 0.4 0.6 0.8 1 1.2 tj = 150 ? c tj = 125 ? c tj = 25 ? c
mbrs140tr bulletin pd-20591 rev. e 07/04 4 www.irf.com fig. 4 - maximum average forward current vs. allowable lead temperature fig. 5 - maximum average forward dissipation vs. average forward current fig. 6 - maximum peak surge forward current vs. pulse duration (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 = 80% rated v r average forward current - i f(av) (a) allowable lead temperature (c) average forward current - i f(av) (a) average power loss (watts) square wave pulse duration - t p (microsec) non-repetitive surge current - i fsm (a) 70 80 90 100 110 120 130 140 150 160 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 dc square wave (d = 0.50) rated vr applied see note (2) d = 0.20 d = 0.25 d = 0.33 d = 0.50 d = 0.75 0 0.2 0.4 0.6 0.8 1 0 0.3 0.6 0.9 1.2 1.5 dc rms limit d = 0.20 d = 0.25 d = 0.33 d = 0.50 d = 0.75 10 100 1000 10 100 1000 10000 at any rated load condition and with rated vrrm applied following surge
mbrs140tr bulletin pd-20591 rev. e 07/04 5 www.irf.com "y" = 1st digit of the year "standard product" "p" = "lead-free" 2nd digit of the year site id week ir logo ir14 voltage current yywwx 3.80 (.150) 3.30 (.130) 4.70 (.185) 4.10 (.161) 2.15 (.085) 1.80 (.071) 2.40 (.094) 1.90 (.075) 1.30 (.051) 0.76 (.030) 0.30 (.012) 0.15 (.006) 5.60 (.220) 5.00 (.197) 4.0 (.157) 2.0 typ. (.079 typ.) 2.5 typ. (.098 typ.) soldering pad cathode anode 1 2 1 2 polarity part number 4.2 (.165) device marking: ir14 dimensions in millimeters and (inches) outline smb for recommended footprint and soldering techniques refer to application note #an-994 outline table marking & identification each device has 2 rows for identification. the first row designates the device as manufactured by international rectifier, indicated by the letters "ir", and the part number (indicates the current, the voltage rating and schottky generation). the second row indicates the year, the week of manufacturing and the site id.
mbrs140tr bulletin pd-20591 rev. e 07/04 6 www.irf.com tape & reel information dimensions in millimetres and (inches) ordering information table device code 1 5 24 3 1 - schottky mbr series 2 - s = smb 3 - current rating (1 = 1 a) 4 - voltage rating (40 = 40v) 5 - tr = tape & reel (3000 pieces) 6 - y none = standard production y pbf = lead-free mbr s 1 40 tr - 6
mbrs140tr bulletin pd-20591 rev. e 07/04 7 www.irf.com mbrs140tr ******************************************** * this model has been developed by * * wizard spice model generator (1999) * * (international rectifier corporation) * * contain prop rietary information * ******************************************** * spice model diode is composed by a * * simple diode plus paralled vcg2t * ******************************************** .subckt mbrs140tr ano cat d1 ano 1 dmod (0.00472) *define diode model .model dmod d(is= 1.97976145988308e- 04a,n=1.26859975252172,bv=52v, + ibv=0.398018928721903a,rs= 0.00064192,cjo=4.04605589057834e-08, + vj=1.033218502959,xti=2, eg=0.793941654518305) ******************************************** *implementation of vcg2t vx 1 2 dc 0v r1 2 cat tres 1e-6 .model tres res(r=1,tc1= -5.28209710108381) gp1 ano cat valu e={-abs(i(vx))*(exp((((- 4.223696e-03/-5. 282097)*((v(2,cat)*1e6)/(i(vx)+1e-6)- 1))+1)*8.300212e-02* abs(v(ano,cat)))-1)} ******************************************** .ends mbrs140tr thermal model subcircuit .subckt mbrs140tr 5 1 ctherm1 5 4 2.37e+00 ctherm2 4 3 2.83e+01 ctherm3 3 2 3.25e+02 ctherm4 2 1 1.15e+04 rtherm1 5 4 1.18e+01 rtherm2 4 3 1.55e+01 rtherm1 3 2 7.12e+00 rtherm1 2 1 1.32e+00 .ends mbrs140tr 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. 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. 07/04
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