schottky barrier diode rb085t-40 ? applications ? dimensions (unit : mm) ? structure switching power supply ? features 1) cathode common type. (to-220) 2) low i r 3) high reliability ? construction silicon epitaxial planer ? absolute maximum ratings (ta=25c) symbol unit reverse voltage (repetitive peak) v rm v v r v average rectified forward current (*1) io a forward current surge peak (60hz / 1cyc) (*1) i fsm a tj ? c tstg ? c (*1)business frequencies, rating of r-load, 1/2 io per diode, tc=132 ? c ? electrical characteristic (ta=25c) symbol min. typ. max. unit forward voltage v f - - 0.55 v i f =5a reverse current i r - - 200 ? a v r =40v thermal impedance ? jc - - 2.5 ? c/w junction to case storage temperature ? 40 to ? 150 conditions parameter parameter limits 45 reverse voltage (dc) 40 10 100 junction temperature 150 (1) (2) (3) 8 1/3 2011.04 - rev.d data sheet www.rohm.com ? 2011 rohm co., ltd. all rights reserved.
rb085t-40 ? electrical characteristic curves 10 100 1000 110100 t ifsm 10 100 1000 1 10 100 8.3ms ifsm 1cyc 8.3ms 0 50 100 150 200 250 300 ave:156.0a 8.3ms ifsm 1cyc 480 490 500 510 520 530 ave:504.0mv ta=25c i f =5a n=30pcs 0 5 10 15 20 25 30 ave:12.30ns ta=25c i f =0.5a i r =1a irr=0.25*i r n=10pcs 0 50 100 150 200 250 300 ave:20.3ua ta=25c v r =40v n=30pcs 700 710 720 730 740 750 760 770 780 790 800 ave:728.1pf ta=25c f=1mhz v r =0v n=10pcs 1 10 100 1000 0 5 10 15 20 25 30 f=1mhz 0.01 0.1 1 10 100 1000 10000 100000 0 10203040 ta=150c ta=125c ta=75c ta=25c ta=-25c 0.01 0.1 1 10 0 100 200 300 400 500 600 ta=150 ? c forward voltage : v f (mv) v f -i f characteristics forward current:i f (a) 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:i r (ua) i r dispersion map capacitance between terminals:ct(pf) ct 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:t(s) rth-t characteristics transient thaermal impedance:rth ( /w) forward power dissipation:pf(w) average rectified forward current : io(a) io-pf characteristics trr dispersion map reverse recovery time:trr(ns) 0 5 10 15 0 5 10 15 20 sin( =180) d=1/2 dc 0.1 1 10 100 0.001 0.01 0.1 1 10 100 1000 rth(j-a) rth(j-c) 1ms im=100ma i f =1a 300us time mounted on epoxy board ta=125 ? c ta=75 ? c ta=-25c ta=25c i fsm dispersion map 2/3 2011.04 - rev.d www.rohm.com ? 2011 rohm co., ltd. all rights reserved. data sheet
rb085t-40 0 1 2 3 4 5 0 10203040 sin( =180) d=1/2 dc 0 5 10 15 20 25 30 no break at 30kv c=100pf r=1.5k ? c=200pf r=0 ? ave:11.5kv reverse power dissipation:p r (w) reverse voltage : v r (v) v r -p r characteristics ambient temperature:ta(c) derating curve"(io-ta) average rectified forward current:io(a) average rectified forward current:io(a) case temparature:tc(c) derating curve"(io-tc) 0 10 20 30 0 25 50 75 100 125 150 t tj=150c d=t/t t v r io v r =20v 0a 0v dc d=1/2 sin( =180) 0 10 20 30 0 25 50 75 100 125 150 t tj=150c d=t/t t v r io v r =20v 0a 0v d=1/2 sin( =180) dc electrostatic discharge test esd(kv) esd dispersion map 3/3 2011.04 - rev.d 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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