Zener diode UDZS9.1B r Applications Dimensions (Unit : mm) Land size figure (Unit : mm) o Constant voltage control 1.25±0.1 0.1±0.1 　　　 0.05 0.9MIN. N. f Features MI 1) Compact, 2-pin mini-mold type for 0.8 high-density mounting. (UMD2) d 1 2) High reliability. ±0.1 ±0.2 2. 3) Can be mounted automatically, 1.7 2.5 e using chip mounter. d UMD2 Structure 0.3±0.05 0　.　7±　 00..21n s Construction ROHM : UMD2 JEDEC : S0D-323 Silicon epitaxial planar JEITA : SC-90/A n dot (year week factory) e EX. UDZS3.6B g m  Taping specifications (Unit : mm) i s m φ1.55±0.05 0.3±0.1 4.0±0.1 2.0±0.05 e ±0.1 5 o D 1.7 5 ±0.0 ±0.2 c 3.5 8.0 ±0.1 8 e w 2.75 2. 1.40±0.1 4.0±0.1 φ1.05 R 1.0±0.1 e N Absolute matximum ratings (Ta=25C) oParameter Symbol Limits Unit Power dissipation P 200 mW JunNction temperature Tj 150 ℃ Storage temperature Tstg -55 to +150 ℃ Operating temperature Topr -55 to +150 ℃ www.rohm.com 1/4 2012.02 - Rev.D ○c 2012 ROHM Co., Ltd. All rights reserved.

UDZS9.1B Data Sheet Electrical characteristics (Ta=25C) Symbol Rising operataing Reverse current ： TYP. Zener voltage ：Vz(V) Operating resistance ：Zz(Ω) resistance ：Zz(Ω) IR(uA) MIN. MAX. Iz(mA) MAX. Iz(mA) MAX. Iz(mA) MAX. VR(V) UDZS 3.6B 3.600 3.845 5.0 100 5.0 1000 1.0 10.0 1.0 UDZS 3.9B 3.890 4.160 5.0 100 5.0 1000 1.0 5.0 1.0 UDZS 4.3B 4.170 4.430 5.0 100 5.0 1000 1.0 5.0 1.0 r UDZS 4.7B 4.550 4.750 5.0 100 5.0 800 0.5 2.0 1.0 o UDZS 5.1B 4.980 5.200 5.0 80 5.0 500 0.5 2.0 1.5 UDZS 5.6B 5.490 5.730 5.0 60 5.0 200 0.5 1.0 2.5 f UDZS 6.2B 6.060 6.330 5.0 60 5.0 100 0.5 1.0 3.0 UDZS 6.8B 6.650 6.930 5.0 40 5.0 60 0.5 0.5 3.5 d UDZS 7.5B 7.280 7.600 5.0 30 5.0 60 0.5 0.5 4.0 UDZS 8.2B 8.020 8.360 5.0 30 5.0 60 0.5 0.5 5.0 e UDZS 9.1B 8.850 9.230 5.0 30 5.0 60 0.5 0.5 6.0 UDZS 10B 9.770 10.210 5.0 30 5.0 60 0.5 0.1 7.0 d UDZS 11B 10.760 11.220 5.0 30 5.0 60 0.5 0.1 8.0 UDZS 12B 11.740 12.240 5.0 30 5.0 80 0.5 0.1 9.0 n s UDZS 13B 12.910 13.490 5.0 37 5.0 80 0.5 0.1 10.0 UDZS 15B 14.340 14.980 5.0 42 5.0 80 0.5 0.1 n 11.0 e UDZS 16B 15.850 16.510 5.0 50 5.0 80 0.5 0.1 12.0 UDZS 18B 17.560 18.350 5.0 65 5.0 80 0.5 g0.1 13.0 m UDZS 20B 19.520 20.390 5.0 85 5.0 100 0.5 0.1 15.0 UDZS 22B 21.540 22.470 5.0 100 5.0 100 0i.5 0.1 17.0 UDZS 24B 23.720 24.780 5.0 120 5.0 120 s0.5 0.1 19.0 UDZS 27B 26.190 27.530 5.0 150 m 5.0 150 0.5 0.1 21.0 UDZS 30B 29.190 30.690 5.0 200 5.0 2e00 0.5 0.1 23.0 UDZS 33B 32.150 33.790 5.0 250 5.0 250 0.5 0.1 25.0 o UDZS 36B 35.070 36.870 5.0 300 5.0 D 300 0.5 0.1 27.0 (１)The zener voltage(Vz) is measured 40ms after power is supplied. c (２)The operating resistances(Zz,Zzk) are measured by superimposing a minute alternating current on the regulated current(Iz) w e Type No. TYPE R TYPE　NO. TYPE TYPE　NO. e UDZS　 3.6B 62 UDZS　 12B 25 UDZS　 3.9B 72 UDZS　 13B 35 N UDZS　 4t.3B 82 UDZS　 15B 45 UDZS　 4.7B 92 UDZS　 16B 55 o UDZS　 5.1B A2 UDZS　 18B 65 UDZS　 5.6B C2 UDZS　 20B 75 N UDZS　 6.2B E2 UDZS　 22B 85 UDZS　 6.8B F2 UDZS　 24B 95 UDZS　 7.5B H2 UDZS　 27B A5 UDZS　 8.2B J2 UDZS　 30B C5 UDZS　 9.1B L2 UDZS　 33B E5 UDZS　 10B 05 UDZS　 36B F5 UDZS　 11B 15 　 　 www.rohm.com 2/4 2012.02 - Rev.D ○c 2012 ROHM Co., Ltd. All rights reserved.

UDZS9.1B Data Sheet Electrical characteristic curves (Ta=25C) 10 1 r A) T:Iz(m o N E R R U f R C 0.1 NE E Z d 5.1 4.7 5.6 e 0.01 4.3 6.8 3.9 6.2 7.5 3.6 8.2 91.01 11 12 13 15 16 18 20 22 24 27 30d 33 36 s n 0.001 n 0 5 10 15 20 25 e 30 35 40 ZENER VOLTAGE:Vz(V) Vz-Iz CHARACTERISTICS g m i 250 m 10000 s POWER DISSIPATION:Pd(mW) 11250500000 e c o w REVERSE SURGE MAXIMUM POWER:PRSM(W)1101001000 D e PRSM t 0 0.1 0 25 50 75 100 125 150 0.001 0.01 0.1 1 10 100 R AMBIENT TEMPERATURE:Ta(℃)e TIME:t(ms) Pd-Ta　CHARACTERISTICS PRSM-TIME CHARACTERISTICS 0. 12 40 1000 N Rth(j-a) t0.1 35 oγz(％/℃) 000...000468 2350 γz(mV/℃) Rth (℃/W) 100 Rth(j-c) N OEFFICIENCE: -00..00220 112050 OEFFICIENCE: TRANSIENTL IMPEDANCE: 10 IMMo=u1n0tmeAd on epoxIyF =b1o0a0rdmA TEMP.C --00..0064 05 TEMP.C HAERMA 1 1ms time -0.08 -5 T 300us 0.1 0 10 20 30 40 0.001 0.01 0.1 1 10 100 1000 ZENER VOLTAGE：Vz(V) TIME:t(s) γz-Vz CHARACTERISTICS Rth-t CHARACTERISTICS www.rohm.com 3/4 2012.02 - Rev.D ○c 2012 ROHM Co., Ltd. All rights reserved.

UDZS9.1B Data Sheet 10 100 Ta=125℃ 100 f=1MHz Ta=125℃ 10 ZENER CURRENT:Iz(mA)00.0.111 TaT=a-=2255℃℃ Ta=75℃ EVERSE CURRENT:IR (nA) 00.0.111 TTTaaa===27-552℃℃5℃ CAPACITANCE BETWEENTERMINALS:Ct(pF)10 o r R 0.001 f 0.001 0.0001 1 7 8 9 10 11 0 1 2 3 4 5 6 0 1 2 3 4 5 6 7 8 9 10 ZENER VOLTAGE:Vz(V) Vz-Iz CHARACTERISTICS REVERSE VOLTAGE：VR(V) REVdERSE VOLTAGE:VR(V) VR-IR CHARACTERISTICS VR-Ct CHARACTERISTICS 9.3 1 30 e Ta=25℃ 0.9 Ta=25℃ 29 Ta=25℃ VR=6.0V f=1MHz ZENER VOLTAGE:Vz(Ｖ) 899...9129 AVE:9.107V nIZ==350mpcAs REVERSE CURRENT:IR(nA) 0000000.......2345678 AVE:0.0831nAen=30pcsn CAPACITANCEBETWEENTERMINALS:Ct(pF)d22222222345678 nAVE:2s1.56pF nV=R10=p0cVs 0.1 21 g 8.8 0 m 20 Vz DISPERSION MAP Ct DISPERSIONN MAP IR DISPERSION MAP i s m 1000 e Ω) CE:Zz( 100 o D N A D PE c M C I MI 10 A DYN e w 1 R 0.1 1 10 ZENER CURRENT(mA) e Zz-Iz CHARACTERISTICS N t o N www.rohm.com 4/4 2012.02 - Rev.D ○c 2012 ROHM Co., Ltd. All rights reserved.

DDaattaasshheeeett Notice Precaution on using ROHM Products 1. Our Products are designed and manufactured for application in ordinary electronic equipments (such as AV equipment, OA equipment, telecommunication equipment, home electronic appliances, amusement equipment, etc.). If you intend to use our Products in devices requiring extremely high reliability (such as medical equipment (Note 1), transport equipment, traffic equipment, aircraft/spacecraft, nuclear power controllers, fuel controllers, car equipment inc luding car accessories, safety devices, etc.) and whose malfunction or failure may cause loss of human life, bodily injury or r serious damage to property (“Specific Applications”), please consult with the ROHM sales representative in advance. Unless otherwise agreed in writing by ROHM in advance, ROHM shall not be in any way responsibleo or liable for any damages, expenses or losses incurred by you or third parties arising from the use of any ROHM’s Products for Specific Applications. f (Note1) Medical Equipment Classification of the Specific Applications JAPAN USA EU CHINA d CLASSⅢ CLASSⅡb CLASSⅢ CLASSⅢ CLASSⅣ CLASSⅢ e 2. ROHM designs and manufactures its Products subject to strict quality control system. However, semiconductor products can fail or malfunction at a certain rate. Please be sure to implemdent, at your own responsibilities, adequate safety measures including but not limited to fail-safe design against the physical injury, damage to any property, which a failure or malfunction of our Products may cause. The following are examples of safety meassures: n [a] Installation of protection circuits or other protective devices to improve system safety [b] Installation of redundant circuits to reduce the impact of single or multiple circuit failure n e 3. Our Products are designed and manufactured for use under standard conditions and not under any special or extraordinary environments or conditions, as exemplified below. Accordinggly, ROHM shall not be in any way m responsible or liable for any damages, expenses or losses arising from the use of any ROHM’s Products under any special or extraordinary environments or conditions. If you intend to use our Products under any special or i extraordinary environments or conditions (as exemplified below), your independent verification and confirmation of s product performance, reliability, etc, prior to usme, must be necessary: [a] Use of our Products in any types of liquid, including water, oils, chemicals, and organic solvents [b] Use of our Products outdoors or in places where the Prodeucts are exposed to direct sunlight or dust [c] Use of our Products in places where the Products are exposed to sea wind or corrosive gases, including Cl2, H2S, NH3, SO2, and NO2 o D [d] Use of our Products in places where the Products are exposed to static electricity or electromagnetic waves [e] Use of our Products in proximity to heat-producing components, plastic cords, or other flammable items c [f] Sealing or coating our Products with resin or other coating materials [g] Use of our Products without cleaning residue of flux (even if you use no-clean type fluxes, cleaning residue of w flux is recommeended); or Washing our Products by using water or water-soluble cleaning agents for cleaning residue after soldering [h] Use of the Products in places subject to dew condensation R e 4. The Products are not subject to radiation-proof design. N 5. Pleaset verify and confirm characteristics of the final or mounted products in using the Products. 6. Ino particular, if a transient load (a large amount of load applied in a short period of time, such as pulse. is applied, confirmation of performance characteristics after on-board mounting is strongly recommended. Avoid applying power exceeding normal rated power; exceeding the power rating under steady-state loading condition may negatively affect N product performance and reliability. 7. De-rate Power Dissipation (Pd) depending on Ambient temperature (Ta). When used in sealed area, confirm the actual ambient temperature. 8. Confirm that operation temperature is within the specified range described in the product specification. 9. ROHM shall not be in any way responsible or liable for failure induced under deviant condition from what is defined in this document. Precaution for Mounting / Circuit board design 1. When a highly active halogenous (chlorine, bromine, etc.) flux is used, the residue of flux may negatively affect product performance and reliability. 2. In principle, the reflow soldering method must be used on a surface-mount products, the flow soldering method must be used on a through hole mount products. If the flow soldering method is preferred on a surface-mount products, please consult with the ROHM representative in advance. For details, please refer to ROHM Mounting specification Notice-PGA-E Rev.001 © 2015 ROHM Co., Ltd. All rights reserved.

DDaattaasshheeeett Precautions Regarding Application Examples and External Circuits 1. If change is made to the constant of an external circuit, please allow a sufficient margin considering variations of the characteristics of the Products and external components, including transient characteristics, as well as static characteristics. 2. You agree that application notes, reference designs, and associated data and information contained in this document are presented only as guidance for Products use. Therefore, in case you use such information, you are solely responsible for it and you must exercise your own independent verification and judgment in the use of such information contained in this document. ROHM shall not be in any way responsible or liable for any damages, expenses or losses incurred by you or third parties arising from the use of such information. r o Precaution for Electrostatic This Product is electrostatic sensitive product, which may be damaged due to electrostatic discharge. Please take proper f caution in your manufacturing process and storage so that voltage exceeding the Products maximum rating will not be applied to Products. Please take special care under dry condition (e.g. Grounding of human bod y / equipment / solder iron, isolation from charged objects, setting of Ionizer, friction prevention and temperature / humididty control). Precaution for Storage / Transportation e 1. Product performance and soldered connections may deteriorate if the Products are stored in the places where: [a] the Products are exposed to sea winds or corrosive gases, including Cl2, H2S, NH3, SO2, and NO2 [b] the temperature or humidity exceeds those recommended by ROHdM [c] the Products are exposed to direct sunshine or condensation [d] the Products are exposed to high Electrostatic s n 2. Even under ROHM recommended storage condition, solderability of products out of recommended storage time period n may be degraded. It is strongly recommended to confirm soldeerability before using Products of which storage time is exceeding the recommended storage time period. g m 3. Store / transport cartons in the correct direction, which is indicated on a carton with a symbol. Otherwise bent leads may occur due to excessive stress applied when dropping of a carton. i s 4. Use Products within the specified time after opmening a humidity barrier bag. Baking is required before using Products of which storage time is exceeding the recommended storage time period. e Precaution for Product Label QR code printed on ROHM Products labeol is for ROHM’s internDal use only. Precaution for Disposition c When disposing Products please dispose them properly using an authorized industry waste company. w e Precaution for Foreign Exchange and Foreign Trade act Since concerned goods might be fallen under listed items of export control prescribed by Foreign exchange and Foreign trade act, please consRult with ROHM in case of export. e Precaution Regarding Intellectual Property Rights 1. All inform ation and data includiNng but not limited to application example contained in this document is for reference only. RtOHM does not warrant that foregoing information or data will not infringe any intellectual property rights or any other rights of any third party regarding such information or data. o 2. ROHM shall not have any obligations where the claims, actions or demands arising from the combination of the Products with other articles such as components, circuits, systems or external equipment (including software). N 3. No license, expressly or implied, is granted hereby under any intellectual property rights or other rights of ROHM or any third parties with respect to the Products or the information contained in this document. Provided, however, that ROHM will not assert its intellectual property rights or other rights against you or your customers to the extent necessary to manufacture or sell products containing the Products, subject to the terms and conditions herein. Other Precaution 1. This document may not be reprinted or reproduced, in whole or in part, without prior written consent of ROHM. 2. The Products may not be disassembled, converted, modified, reproduced or otherwise changed without prior written consent of ROHM. 3. In no event shall you use in any way whatsoever the Products and the related technical information contained in the Products or this document for any military purposes, including but not limited to, the development of mass-destruction weapons. 4. The proper names of companies or products described in this document are trademarks or registered trademarks of ROHM, its affiliated companies or third parties. Notice-PGA-E Rev.001 © 2015 ROHM Co., Ltd. All rights reserved.

DDaattaasshheeeett General Precaution 1. Before you use our Products, you are requested to carefully read this document and fully understand its contents. ROHM shall not be in any way responsible or liable for failure, malfunction or accident arising from the use of a ny ROHM’s Products against warning, caution or note contained in this document. 2. All information contained in this document is current as of the issuing date and subj ect to change without any prior notice. Before purchasing or using ROHM’s Products, please confirm the latest information with a ROHM sale s representative. r 3. The information contained in this document is provided on an “as is” basis and ROHM does not warrant that all information contained in this document is accurate an d/or error-free. ROHM shall not be in any waoy responsible or liable for any damages, expenses or losses incurred by you or third parties resulting from inaccuracy or errors of or concerning such information. f d e d s n n e g m i s m e o D c w e R e N t o N Notice – WE Rev.001 © 2015 ROHM Co., Ltd. All rights reserved.

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