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| Schottky Barrier Diode RB481Y Applications Low current rectification Dimensions (Unit : mm) Land size figure (Unit : mm) 0.5 1.60.1 1.60.05 0.220.05 0.130.05 (3) 0.45 1.20.1 1.60.1 Features 1)Ultra small mold type. (EMD4) 2)Low VF 3)High reliability (4) 1.0 00.1 EMD4 Construction Silicon epitaxial planar (1) 0.5 1.00.1 0.5 (2) Structure 0.50.05 ROHM : EMD4 JEITA : SC-75A Size dot (year week factory) Taping specifications (Unit : mm) 4.00.1 2.00.05 1.50.1 0 1.750.1 0.30.1 3.50.05 1.650.1 5.50.2 8.00.2 1.55 0.80.1 00.1 0.650.1 1.650.1 1PIN 4.00.1 Absolute maximum ratings (Ta=25) Parameter Reverse voltage (DC) Average rectified forward current*1 Forward current surge peak 60Hz1cyc*1 Junction temperature Storage temperature (*1) Rating of per diode Symbol VR Io IFSM Tj Tstg Limits 30 100 1 125 -40 to +125 Unit V mA A Electrical characteristics (Ta=25 ) Parameter Forward voltage Reverse current Symbol VF1 VF2 VF3 IR Min. Typ. 0.17 0.24 0.34 4 Max. 0.28 0.33 0.43 30 Unit V V V A Conditions IF=1mA IF=10mA IF=100mA VR=10V www.rohm.com (c)2009 ROHM Co., Ltd. All rights reserved. 1/3 2009.02 - Rev.D 1.650.01 RB481Y 100000 Ta=125 REVERSE CURRENT:IR(uA) Ta=125 Ta=75 10000 1000 100 10 Ta=-25 1 0.1 0.01 0 100 200 300 400 FORWARD VOLTAGEVF(mV) VF-IF CHARACTERISTICS 500 0 10 20 REVERSE VOLTAGEVR(V) VR-IR CHARACTERISTICS 30 Ta=75 Ta=25 100 CAPACITANCE BETWEEN TERMINALS:Ct(pF) Data Sheet 1000 FORWARD CURRENT:IF(mA) 100 10 1 0.1 0.01 0.001 Ta=-25 Ta=25 f=1MHz 10 1 0 5 10 15 REVERSE VOLTAGE:VR(V) VR-Ct CHARACTERISTICS 20 360 FORWARD VOLTAGE:VF(mV) REVERSE CURRENT:VR(uA) 50 CAPACITANCE BETWEEN TERMINALS:Ct(pF) 35 Ta=25 VR=10V n=30pcs 350 340 330 320 310 AVE:340.2mV Ta=25 IF=100mA n=30pcs 45 40 35 30 25 20 15 10 5 0 AVE:4.775uA 34 33 32 31 30 29 28 27 26 25 AVE:29.58pF Ta=25 f=1MHz VR=0V n=10pcs VF DISPERSION MAP IR DISPERSION MAP Ct DISPERSION MAP 20 PEAK SURGE FORWARD CURRENT:IFSM(A) Ifsm 1cyc 8.3ms PEAK SURGE FORWARD CURRENT:IFSM(A) 10 Ifsm 8.3ms 8.3ms 1cyc 5 10 PEAK SURGE FORWARD CURRENT:IFSM(A) Ifsm 15 t 10 5 5 AVE:5.60A 0 0 1 IFSM DISPERSION MAP 10 NUMBER OF CYCLES IFSM-CYCLE CHARACTERISTICS 100 0 1 10 TIME:t(ms) IFSM-t CHARACTERISTICS 100 TRANSIENT THAERMAL IMPEDANCE:Rth (/W) 1000 Rth(j-a) FORWARD POWER DISSIPATION:Pf(W) 0.3 Per chip REVERSE POWER DISSIPATIONPR (w) 0.5 Per chip 0.4 0.3 0.2 0.1 0 0 0.1 0.2 0.3 0.4 0.5 0 10 20 30 DC Sin(180) D=1/2 Rth(j-c) 100 0.2 D=1/2 Sin(180) DC Mounted on epoxy board IM=10mA IF=100mA 0.1 1ms time 300us 10 0.001 0.1 10 1000 0 AVERAGE RECTIFIED FORWARD CURRENTIo(A) Io-P CHARACTERISTICS TIME:(s) Rth-t CHARACTERISTICS REVERSE VOLTAGEVR(V) VR-PR CHARACTERISTICS www.rohm.com (c)2009 ROHM Co., Ltd. All rights reserved. 2/3 2009.02 - Rev.D RB481Y Data Sheet 0.5 AVERAGE RECTIFIED FORWARD CURRENT Io(A) 0.4 0.3 0.2 0.1 0 0 Per chip DC t T AVERAGE RECTIFIED FORWARD CURRENT Io(A) 0A 0V Io VR D=t/T VR=15V Tj=125 0.5 0.4 0.3 0.2 0.1 Per chip DC 0A 0V Io t T VR D=t/T VR=15V Tj=125 D=1/2 D=1/2 Sin(180) Sin(180) 0 0 25 50 75 100 CASE TEMPARATURETc() Derating Curve 125 25 50 75 100 125 AMBIENT TEMPERATURETa() Derating Curve www.rohm.com (c)2009 ROHM Co., Ltd. All rights reserved. 3/3 2009.02 - Rev.D Appendix Notes No copying or reproduction of this document, in part or in whole, is permitted without the consent of ROHM CO.,LTD. The content specified herein is subject to change for improvement without notice. The content specified 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 specifications, 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 specified 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 specified 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 specified in this document are intended to be used with general-use electronic equipment or devices (such as audio visual equipment, office-automation equipment, communication devices, electronic appliances and amusement devices). The Products 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, fire or any other damage caused in the event of the failure of any Product, such as derating, redundancy, fire 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, aerospace 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 specified 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. Thank you for your accessing to ROHM product informations. More detail product informations and catalogs are available, please contact your nearest sales office. ROHM Customer Support System www.rohm.com Copyright (c) 2009 ROHM Co.,Ltd. THE AMERICAS / EUROPE / ASIA / JAPAN Contact us : webmaster @ rohm.co. jp 21 Saiin Mizosaki-cho, Ukyo-ku, Kyoto 615-8585, Japan TEL : +81-75-311-2121 FAX : +81-75-315-0172 Appendix-Rev4.0 |
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