schottky barrier diode rb521s-40 ? applications ? dimensions (unit : mm) ? land size figure (unit : mm) rectifying small power ? features 1) ultra small mold type. (emd2) 2) low v f 3) high reliability ? structure ? construction silicon epitaxial planar ? taping dimensions (unit : mm) ? absolute maximum ratings ta=25 symbol unit vrm v v r v io ma i fsm a tj tstg ? electrical characteristic (ta=25? c) symbol min. typ. max. unit conditions 0.16 0.26 0.30 0.31 0.395 0.45 0.41 0.495 0.54 - 3.5 20 -1390 storage temperature -55 to +150 forward currnt surge peak(60hz/1cyc) 4 junction temperature 150 45 reverse voltage (dc) 40 average retified forward current 200 -kv c=100pf, r=1.5k ? forward and reverse : 1time parameter limits reverse voltage (repetitive peak) esd break down voltage esd 10 - i f =10ma i f =100ma i f =200ma reverse current i r a v r =10v v r =40v parameter forward voltage v f v 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 emd2 0.8 1.7 0.6 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 empty pocket 1/3 2010.05 - rev.a www.rohm.com ?2010 rohm co., ltd. all rights reserved.
rb521s-40 ? electrical characteristic curves 10 100 1000 0.001 0.1 10 1000 rth(j-a) rth(j-c) 1ms im=1ma i f =20ma 300us time mounted on epoxy board 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 0.01 0.1 1 10 100 1000 10000 100000 0 102030 ta=125 ta=75 ta=25 ta=-25 ta=150 forward voltage : v f (mv) v f -i f characteristics forward current : if(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 dissipationp r (w) reverse voltage : v r (v) v r -p r characteristics 1 10 100 1000 0 100 200 300 400 500 600 ta=125 ta=75 ta=25 ta=-25 ta=150 470 480 490 500 510 520 ta=25 i f =200ma n=30pcs ave:495.2mv 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 1 2 3 4 5 0 10203040 sin( 180) dc d=1/2 1 10 100 0102030 ta=25 f=1mhz v r =0v n=10pcs f=1mhz 8.3ms ifsm 1cyc dc d=1/2 sin( 180) 2/3 2010.05 - rev.a data sheet www.rohm.com ?2010 rohm co., ltd. all rights reserved.
rb521s-40 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) 0 0.1 0.2 0.3 0.4 0.5 0 25 50 75 100 125 150 sin( 180) d=1/2 dc t tj=150 d=t/t t v r io v r =20 v 0 a 0v t tj=150 d=t/t t v r io v r =20 v 0 a 0v 3/3 2010.05 - rev.a data sheet www.rohm.com ?2010 rohm co., ltd. all rights reserved.
r1010 a www.rohm.com ? 2010 rohm co., ltd. all rights reserved. notice rohm customer support system http://www.rohm.com/contact/ thank you for your accessing to rohm product informations. more detail product informations and catalogs are available, please contact us. notes no copying or reproduction of this document, in part or in whole, is permitted without the consent of rohm co.,ltd. the content specied herein is subject to change for improvement without notice. the content specied herein is for the purpose of introducing rohm's products (hereinafter "products"). if you wish to use any such product, please be sure to refer to the specications, which can be obtained from rohm upon request. examples of application circuits, circuit constants and any other information contained herein illustrate the standard usage and operations of the products. the peripheral conditions must be taken into account when designing circuits for mass production. great care was taken in ensuring the accuracy of the information specied in this document. however, should you incur any damage arising from any inaccuracy or misprint of such information, rohm shall bear no responsibility for such damage. the technical information specied herein is intended only to show the typical functions of and examples of application circuits for the products. rohm does not grant you, explicitly or implicitly, any license to use or exercise intellectual property or other rights held by rohm and other parties. rohm shall bear no responsibility whatsoever for any dispute arising from the use of such technical information. the products specied in this document are intended to be used with general-use electronic equipment or devices (such as audio visual equipment, ofce-automation equipment, commu- nication devices, electronic appliances and amusement devices). the products specied in this document are not designed to be radiation tolerant. while rohm always makes efforts to enhance the quality and reliability of its products, a product may fail or malfunction for a variety of reasons. please be sure to implement in your equipment using the products safety measures to guard against the possibility of physical injury, re or any other damage caused in the event of the failure of any product, such as derating, redunda ncy, re control and fail-safe designs. rohm shall bear no responsibility whatsoever for your use of any product outside of the prescribed scope or not in accordance with the instruction manual. the products are not designed or manufactured to be used with any equipment, device or system which requires an extremely high level of reliability the failure or malfunction of which may result in a direct threat to human life or create a risk of human injury (such as a medical instrument, transportation equipment, aerospac e machinery, nuclear-reactor controller, fuel- controller or other safety device). rohm shall bear no responsibility in any way for use of any of the products for the above special purposes. if a product is intended to be used for any such special purpose, please contact a rohm sales representative before purchasing. if you intend to export or ship overseas any product or technology specied herein that may be controlled under the foreign exchange and the foreign trade law, you will be required to obtain a license or permit under the law.
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