schottky rectifier 1 amp MBRS120TRPBF bulletin pd-20789 07/04 1 major ratings and characteristics i f(av) rectangular 1.0 a waveform v rrm 20 v i fsm @ t p = 5 s sine 310 a v f @ 1.0apk, t j = 125c 0.35 v t j range - 65 to 150 c characteristics value units the MBRS120TRPBF surface-mount schottky rectifier has been designed for applications requiring low forward drop and 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 very low forward voltage drop high frequency operation guard ring for enhanced ruggedness and long term reliability lead-free ("pbf" suffix) description/ features www.irf.com case styles MBRS120TRPBF smb i f(av) = 1.0amp v r = 20v
MBRS120TRPBF bulletin pd-20789 07/04 2 www.irf.com v r max. dc reverse voltage (v) v rwm max. working peak reverse voltage (v) 20 voltage ratings part number MBRS120TRPBF v fm max. forward voltage drop (1) 0.42 0.45 v @ 1a 0.46 0.52 v @ 2a 0.33 0.37 v @ 1a 0.39 0.45 v @ 2a 0.30 0.35 v @ 1a 0.36 0.43 v @ 2a i rm max. reverse leakage current (1) 0.015 0.2 ma t j = 25 c 2.0 6.0 ma t j = 100 c v r = rated v r 7.0 20 ma t j = 125 c c t typical junction capacitance 110 - 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 ) t j = 25 c t j = 100 c electrical specifications parameters typ. max. units conditions (1) pulse width < 300s, duty cycle < 2% t j = 125 c t j max. junction temperature range (*) - 65 to 150 c t stg max. storage temperature range - 65 to 150 c r thjl max. thermal resistance junction 30 c/w dc operation to lead (**) r thja max. thermal resistance junction 80 c/w to ambient wt approximate weight 0.10(0.003) gr (oz) case style smb similar do-214aa device marking ir12 parameters value units conditions < thermal runaway condition for a diode on its own heatsink (**) mounted 1 inch square pcb thermal-mechanical specifications (*) dptot 1 dtj rth( j-a) i f(av) max. average forward current 1.0 a 50% duty cycle @ t l = 138c, rectangular wave form i fsm max. peak one cycle non-repetitive 310 5s sine or 3s rect. pulse surge current 40 10ms sine or 6ms rect. pulse e as non repetitive avalanche energy 2.0 mj t j = 25 c, i as = 1a, l = 4mh i ar repetitive avalanche current 0.8 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
MBRS120TRPBF bulletin pd-20789 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 voltage - v r (v) reverse current - i r (ma) reverse voltage - v r (v) junction capacitance - c t (pf) 0.1 1 10 0 0.2 0.4 0.6 0.8 1 tj = 150 ? c tj = 125 ? c tj = 100 ? c tj = 25 ? c 0.0001 0.001 0.01 0.1 1 10 100 0 5 10 15 20 125 ? c 100 ? c 75 ? c 50 ? c 25 ? c tj = 150 ? c 10 100 1000 048121620 tj = 25 ? c
MBRS120TRPBF bulletin pd-20789 07/04 4 www.irf.com fig. 4 - maximum average forward current vs. allowable lead temperature 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) average forward current - i f(av) (a) allowable lead temperature (c) average forward current - i f(av) (a) allowable power loss (watts) square wave pulse duration - t p (microsec) non-repetitive surge current - i fsm (a) 130 135 140 145 150 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 dc see note (2) square wave d = 0.20 d = 0.25 d = 0.33 d = 0.50 d = 0.75 0 0.1 0.2 0.3 0.4 0.5 0 0.4 0.8 1.2 1.6 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 tj = 25 ? c at any rated load condition and with rated vrrm applied following surge fig. 5 - maximum average forward dissipation vs. average forward current
MBRS120TRPBF bulletin pd-20789 07/04 5 www.irf.com pywwx "y" = 1st digit of the year "standard product" "p" = "lead-free" 2nd digit of the year site id week ir logo voltage current ir12 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: ir12 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.
MBRS120TRPBF bulletin pd-20789 07/04 6 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. 07/04 data and specifications subject to change without notice. this product has been designed and qualified for industrial level and lead-free. qualification standards can be found on ir's web site. 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 (20 = 20v) 5 - tr = tape & reel (3000 pieces) 6 - y none = standard production y pbf = lead-free mbr s 1 20 tr pbf 6
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