rb481y-90 diodes rev.c 1/3 schottky barrier diode rb481y-90 z applications z dimensions (unit : mm) z land size figure (unit : mm) low current rectification z features 1) ultra small mold type. (emd4) 2) low v f 3) high reliability z construction silicon epitaxial planar z structure z taping dimensions (unit : mm) z absolute maximum ratings (ta=25 c) z electrical characteristic (ta=25 c) symbol min. typ. max. unit forward voltage v f - 0.55 0.61 v i f =100ma i r - 20 100 a v r =90v conditions reverse current parameter symbol unit v rm v v r v io ma i fsm a tj tstg parameter reverse voltage (dc) average rectified forward current *1 -40 to +125 limits 90 100 reverse voltage (repetitive peak) 90 forward current surge peak 60hz ? 1cyc *1 1 junction temperature storage temperature (*1) rating of per diode 125 rohm : emd4 jeita : sc-75a size dot (year week factory) 0.130.05 0.50.05 00.1 (1) (2) (4) (3) 0.5 0.5 1.00.1 0.220.05 1.60.1 1.20.1 1.60.1 1.60.05 1.60.05 1.650.1 4.00.1 4.00.1 2.00.05 1.50.1 0 3.50.05 1.750.1 8.00.2 0.80.1 5.50.2 1.650.1 0.650.1 0.30.1 00.1 1pin 1.650.01 1.70.05 emd4 0.5 0.45 1.0 1.55
rb481y-90 diodes rev.c 2/3 z 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 dispersion map forward voltage:vf(mv) reverse current:ir(ua) ir dispersion map capacitance between terminals:ct(pf) ct dispersion map ifsm disresion 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(s) ifsm-t characteristics time:t(s) rth-t characteristics transient thaermal impedance:rth (/w) forward power dissipation:pf(w) average rectified forward currentio(a) io-pf characteristics trr dispersion map reserve recovery time:trr(ns) 0.1 1 10 100 0 100 200 300 400 500 600 ta=-25 ta=125 ta=75 ta=25 0.01 0.1 1 10 100 1000 10000 0 102030405060708090 ta=125 ta=75 ta=25 ta=-25 1 10 100 0 5 10 15 20 25 30 530 540 550 560 570 580 ave:552.0mv ta=25 if=0.1a n=30pcs 0 50 100 150 200 250 300 350 400 450 500 ta=25 vr=90v n=30pcs ave:29.31ua 20 21 22 23 24 25 26 27 28 29 30 ave:21.69pf ta=25 f=1mhz vr=0v n=10pcs 0 5 10 15 20 ave:3.70a 8.3ms ifsm 1cyc 0 5 10 15 20 25 30 ave:11.7ns ta=25 if=0.5a ir=1a irr=0.25*ir n=10pcs 0 1 2 3 4 5 6 7 8 9 10 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 0.1 0.2 0 0.05 0.1 0.15 0.2 0.25 0.3 per diode f=1mhz 10 100 1000 0.001 0.1 10 1000 rth(j-a) rth(j-c) 1ms im=10ma if=100ma 300us time mounted on epoxy board dc d=1/2 sin(?180)
rb481y-90 diodes rev.c 3/3 0 0.1 0.2 0.3 0 25 50 75 100 125 per diode reverse power dissipation:p r (w) reverse voltage:vr(v) vr-p r characteristics 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 0.2 0.4 0.6 0.8 1 020406080 per diode 0 0.1 0.2 0.3 0 25 50 75 100 125 per diode d=1/2 sin(?180) dc d=1/2 sin(?180) dc d=1/2 dc sin(?180) t tj=125 d=t/t t vr io vr=45v 0a 0v t tj=125 d=t/t t vr io vr=45v 0a 0v
appendix appendix1-rev1.1 the products listed in this document are designed to be used with ordinary electronic equipment or devices (such as audio visual equipment, office-automation equipment, communications devices, electrical appliances and electronic toys). should you intend to use these products with equipment or devices which require an extremely high level of reliability and the malfunction of with would directly endanger human life (such as medical instruments, transportation equipment, aerospace machinery, nuclear-reactor controllers, fuel controllers and other safety devices), please be sure to consult with our sales representative in advance. notes no technical content pages of this document may be reproduced in any form or transmitted by any means without prior permission of rohm co.,ltd. the contents described herein are subject to change without notice. the specifications for the product described in this document are for reference only. upon actual use, therefore, please request that specifications to be separately delivered. application circuit diagrams and circuit constants contained herein are shown as examples of standard use and operation. please pay careful attention to the peripheral conditions when designing circuits and deciding upon circuit constants in the set. any data, including, but not limited to application circuit diagrams information, described herein are intended only as illustrations of such devices and not as the specifications for such devices. rohm co.,ltd. disclaims any warranty that any use of such devices shall be free from infringement of any third party's intellectual property rights or other proprietary rights, and further, assumes no liability of whatsoever nature in the event of any such infringement, or arising from or connected with or related to the use of such devices. upon the sale of any such devices, other than for buyer's right to use such devices itself, resell or otherwise dispose of the same, no express or implied right or license to practice or commercially exploit any intellectual property rights or other proprietary rights owned or controlled by rohm co., ltd. is granted to any such buyer. products listed in this document are no antiradiation design. about export control order in japan products described herein are the objects of controlled goods in annex 1 (item 16) of export trade control order in japan. in case of export from japan, please confirm if it applies to "objective" criteria or an "informed" (by miti clause) on the basis of "catch all controls for non-proliferation of weapons of mass destruction.
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