schottky barrier diode RB521SM-40 l applications l dimensions (unit : mm) l land size figure (unit : mm) small current rectification l features 1)ultra small mold type. (emd2) 2)low v f 3)high reliability l construction silicon epitaxial l structure l taping specifications (unit : mm) l absolute maximum ratings (ta=25c) symbol unit v rm v v r v io ma i fsm a tj c tstg c l electrical characteristics (ta=25c) symbol min. typ. max. unit conditions 0.16 0.26 0.30 0.31 0.395 0.45 0.41 0.495 0.54 - 3.50 20.00 - 13.00 90.00 i f =10ma i f =100ma i f =200ma reverse current i r a v r =10v v r =40v storage temperature - 55 to + 150 parameter forward voltage v f v average rectified forward current 200 forward current surge peak (60hz ? 1cyc) 4 junction temperature 150 parameter limits reverse voltage (repetitive) 45 reverse voltage (dc) 40 rohm : emd2 jeita : sc - 79 jedec :sod - 523 dot (year week factory) emd2 1/3 2011.06 - rev.a data sheet www.rohm.com ? 2011 rohm co., ltd. all rights reserved. 0.120.05 0.60.1 0.30.05 0.80.05 1.20.05 1.60.1 0.8 1.7 0.6
RB521SM-40 10 100 1000 0.001 0.1 10 1000 rth(j - a) rth(j - c) mounted on epoxy board 20 21 22 23 24 25 26 27 28 29 30 ave:27.2pf 0 0.05 0.1 0.15 0.2 0.25 0.3 0 0.1 0.2 0.3 0.4 0 0.1 0.2 0.3 0.4 0.5 0 10 20 30 40 sin( 180) d=1/2 dc 0 5 10 1 10 100 t ifsm 0 5 10 1 10 100 8.3ms ifsm 1cyc 8.3ms 0 5 10 15 20 ave:5.60a 0 10 20 30 40 50 60 70 80 90 100 ta=25 v r =40v n=30pcs ave:6.86ua 470 480 490 500 510 520 ta=25 i f =200ma n=30pcs ave:495.2mv 1 10 100 0 10 20 30 0.1 1 10 100 1000 0 100 200 300 400 500 600 ta=125 ta=75 ta=25 ta= - 25 forward voltage : v f (mv) v f - i f characteristics forward current:i f (ma) reverse current:i r (ua) reverse voltage : v r (v) v r - i r characteristics capacitance between terminals:ct(pf) reverse voltage : v r (v) v r - ct characteristics v f dispersion map forward voltage:v f (mv) reverse current:v r (ua) i r dispersion map capacitance between terminals:ct(pf) ct dispersion map i fsm dispersion map peak surge forward current:i fsm (a) peak surge forward current:i fsm (a) number of cycles i fsm - cycle characteristics peak surge forward current:i fsm (a) time:t(ms) i fsm - t characteristics time:(s) rth - t characteristics transient thaermal impedance:rth ( /w) forward power dissipation:pf(w) average rectified forward current : io(a) io - p characteristics reverse power dissipation : p r (w) reverse voltage v r (v) v r - p r characteristics ta=25 f=1mhz v r =0v n=10pcs f=1mhz 8.3ms ifsm 1cyc dc d=1/2 sin( 180) 0.01 0.1 1 10 100 1000 10000 0 10 20 30 40 ta=125 ta=75 ta=25 ta= - 25 2/3 2011.06 - rev.a www.rohm.com ? 2011 rohm co., ltd. all rights reserved. data sheet
RB521SM-40 0 0.1 0.2 0.3 0.4 0.5 0 25 50 75 100 125 150 0 0.1 0.2 0.3 0.4 0.5 0 25 50 75 100 125 150 sin( 180) d=1/2 dc ambient temperature ta( ) derating curve (io - ta) average rectified forward current : io(a) average rectified forward current : io(a) case temparature tc( ) derating curve (io - tc) sin( 180) d=1/2 dc t tj=150 d=t/t t v r io v r =20v 0a 0v t tj=150 d=t/t t v r io v r =20v 0a 0v 3/3 2011.06 - rev.a www.rohm.com ? 2011 rohm co., ltd. all rights reserved. data sheet
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