schottky barrier diode rb751s-40 ? applications ? dimensions (unit : mm) ? land size figure (unit : mm) low current rectification ? features 1) ultra small mold type. (emd2) 2) low v f 3) high reliability ? construction silicon epitaxial planar ? structure ? taping specifications (unit : mm) ? absolute maximum ratings (ta=25c) symbol unit v rm v v r v io ma i fsm ma tj c tstg c ? electrical characteristics (ta=25c) symbol min. typ. max. unit conditions v f - - 0.37 v i f =1ma i r - - 0.5 a v r =30v ct - 2 - pf v r =1v , f=1mhz parameter limits reverse voltage (repetitive peak) 40 reverse voltage (dc) 30 average retified forward current 30 storage temperature -40 to +125 forward currnt surge peak(60hz/1cyc) 200 junction temperature 125 parameter forward voltage reverse current capacitance between terminals emd2 0.8 1.7 0.6 rohm : emd2 jeita : sc-79 jedec :sod-523 dot (year week factory) 0.120.05 0.60.1 0.30.05 0.80.05 1.20.05 1.60.1 0.950.06 0 4.00.1 4.00.1 2.00.05 1.50.05 3.50.05 1.750.1 8.00.15 0.20.05 0.760.05 1.260.05 0 0.5 0.6 2.00.05 1.30.06 0 2.450.1 ??? 0.2 1.55 0.05 2.40 0.05 0.90 0.05 0.75 0.05 1.25 ? 0.06 ? 0 1.25 ? 0. 06 ? 0 empty pocket 1/3 2011.03 - rev.c data sheet www.rohm.com ? 2011 rohm co., ltd. all rights reserved.
rb751s-40 ? electrical characteristic curves forward voltagevf(mv) vf-if characteristics forward current:if(ma) reverse current:ir(ua) reverse voltagevr(v) vr-ir characteristics capacitance between terminals:ct(pf) reverse voltage:vr(v) vr-ct characteristics vf dipersion map forward voltage:vf(mv) reverse current:ir(na) ir dispersion map capacitance between terminals:ct(pf) ct dispersion map ifsm dispersion map peak surge forward current:ifsm(a) peak surge forward current:ifsm(a) number of cycles ifsm-cycle characteristics peak surge forward current:ifsm(a) time:t(ms) ifsm-t characteristics time:t(s) rth-t characteristics transient thaermal impedance:rth (/w) forward power dissipation:pf(w) average rectified forward current io(a) io-pf characteristics reverse power dissipation:p r (w) reverse voltage:vr(v) vr-p r characteristics 0.01 0.1 1 10 100 0 100 200 300 400 500 600 700 800 900 100 0 ta=125 ta=75 ta=25 ta=-25 0.001 0.01 0.1 1 10 100 1000 0102030 ta=125 ta=75 ta=25 ta=-25 0 100 200 300 400 500 600 700 800 900 1000 ave:185.5na ta=25 vr=30v n=30pcs 0 5 10 15 20 ave:7.30a 8.3ms ifsm 1cyc 0 5 10 15 20 1 10 100 8.3ms ifsm 1cyc 8.3ms 0 1 2 3 4 5 6 7 8 9 10 1 10 100 t ifsm 0.00 0.01 0.02 0.03 0.04 0.00 0.01 0.02 0.03 0.04 0.05 sin( ?180) d=1/2 dc 0 0.001 0.002 0.003 0 102030 sin(?180) dc d=1/2 0.1 1 10 0102030 f=1mhz vf? 250 260 270 280 290 300 ave:267.4mv ta=25 if=1ma n=30pcs 10 100 1000 10000 0.001 0.1 10 1000 rth(j-a) rth(j-c) 1ms im=1ma if=10ma 300us time mounted on epoxy board 0 1 2 3 4 5 6 7 8 9 10 ave:2.00pf ta=25 f=1mhz vr=1v n=10pcs 2/3 2011.03 - rev.c www.rohm.com ? 2011 rohm co., ltd. all rights reserved. data sheet
rb751s-40 ambient temperature:ta() derating curve?(io-ta) average rectifide forward current:io(a) average rectified forward current:io(a) case temparature:tc() derating curve?(io-tc) 0 0.02 0.04 0.06 0.08 0.1 0 25 50 75 100 125 d=1/2 dc sin(?180) 0 0.02 0.04 0.06 0.08 0.1 0 255075100125 dc d=1/2 sin( ?180) t tj=125 d=t/t t vr io vr=15v 0a 0v t tj=125 d=t/t t vr io vr=15v 0a 0v 3/3 2011.03 - rev.c www.rohm.com ? 2011 rohm co., ltd. all rights reserved. data sheet
r 1 120 a ww w .rohm.com ? 20 1 1 rohm co., ltd. all rights reserved. notice rohm customer support system http://ww w . r ohm.com/contact/ thank you for your accessing to rohm p r oduct informations. mo r e detail p r oduct informations and catalogs a r e available, please contact us. notes
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