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| Zener Diode UMZ18N Applications Voltage regulation (Common anode dual chips) DimensionsUnit : mm Land size figure(Unit : mm) 1.3 2.00.2 0.30.1 Features 1)Small mold type.(UMD3) 2)High reliability 0.150.05 (3) 1.250.1 2.10.1 0.9MIN. Min. Each lead has same dimension 0.65 Min. 0.8MIN 0 to 0.1 00.1 UMD3 (2) (1) 0.65 0.70.1 0.90.1 Construction Silicon epitaxial planer 0.65 1.30.1 0.1Min Structure (3) ROHM : UMD3 JEDEC : SOT-323 JEITA : SC-70 dot (year week factory) (2) (1) Taping specifications(Unit : mm) 4.00.1 2.00.05 1.550.05 0.30.1 1.750.1 3.50.05 8.00.2 2.40.1 5.50.2 2.250.1 0 4.00.1 0.50.05 00.1 2.40.1 1.250.1 Absolute maximum ratings (Ta=25C) Parameter Symbol Power dissipation (*1 Junction temperature Storage temperature (*1) Total of 2 elements P Tj Tstg Limits 200 150 -55 to +150 Unit mW C C Electical characteristic(Ta=25C) Parameter Symbol VZ Zener voltage Reverse current IR Min. 17.56 - Typ. - Max. 18.35 0.10 Unit V A Conditions IZ=5mA VR=13V www.rohm.com (c)2010 ROHM Co., Ltd. All rights reserved. 1/2 2010.01 - Rev.A 1.6 UMZ18N Data Sheet Electrical characteristic curves 10 Ta=-25C Ta=25C Ta=75C Ta=125C Ta=125C 100 10 1 Ta=25C 0.1 0.01 0.001 1 0 1 2 3 4 5 6 7 8 9 10 11 12 13 0 2 4 6 8 10 12 14 100 f=1MHz REVERSE CURRENT:IR (nA) CAPACITANCE BETWEEN TERMINALS:Ct(pF) ZENER CURRENT:Iz(mA) Ta=75C 1 0.1 10 Ta=-25C 0.01 0.001 16 17 18 19 20 ZENER VOLTAGE:Vz(V) Vz-Iz CHARACTERISTICS 0.0001 REVERSE VOLTAGE:VR(V) VR-IR CHARACTERISTICS REVERSE VOLTAGE:VR(V) VR-Ct CHARACTERISTICS 18.2 Ta=25C IZ=5mA n=10pcs 1 0.9 REVERSE CURRENT:IR(nA) 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 Vz DISRESION MAP IR DISRESION MAP AVE:0.0962nA Ta=25C VR=13V n=30pcs 20 19 CAPACITANCE BETWEENTERMINALS:Ct(pF) 18 17 16 15 14 13 12 11 10 AVE:13.98pF Ta=25C f=1MHz VR=0V n=10pcs ZENER VOLTAGE:Vz() 18.1 18 17.9 17.8 AVE:17.90V 17.7 Ct DISRESION MAP 10000 DYNAMIC IMPEDANCE:Zz( ) 1000 100 0.1 1 ZENER CURRENT(mA) Zz-Iz CHARACTERISTICS 10 www.rohm.com (c)2010 ROHM Co., Ltd. All rights reserved. 2/2 2010.01 - Rev.A Notice 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 specified 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, 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, fuelcontroller 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 us. ROHM Customer Support System http://www.rohm.com/contact/ www.rohm.com (c) 2010 ROHM Co., Ltd. All rights reserved. R1010A |
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