MMBZ5221BW - MMBZ5259BW 200mW SURFACE MOUNT ZENER DIODE Features Mechanical Data • Small Surface Mount Package • Case: SOT323 • Ideally Suited for Automated Assembly Processes • Case Material: Molded Plastic, "Green" Molding Compound. • Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2) UL Flammability Classification Rating 94V-0 • Halogen and Antimony Free. “Green” Device (Note 3) • Moisture Sensitivity: Level 1 per J-STD-020D • Qualified to AEC-Q101 Standards for High Reliability • Terminals: Matte Tin Finish annealed over Alloy 42 leadframe (Lead Free Plating). Solderable per MIL-STD-202, Method 208 e3 • Polarity: See Diagram • Weight: 0.006 grams (approximate) Top View Device Schematic Ordering Information (Note 4) Device Packaging Shipping (Type Number)-7-F* SOT323 3000/Tape & Reel * Add “-7-F” to the appropriate type number in Electrical Characteristics Table from Page 2. Example: 6.2V Zener = MMBZ5234BW-7-F. Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant. 2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green" and Lead-free. 3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and <1000ppm antimony compounds. 4. For packaging details, go to our website at http://www.diodes.com/products/packages.html. Marking Information (Note 5) xxx = Product Type Marking Code (See Electrical Characteristics Table) xxx M YM = Date Code Marking Y Y = Year (ex: B = 2014) M = Month (ex: 9 = September) Date Code Key Year 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 Code U V W X Y Z A B C D E F Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Code 1 2 3 4 5 6 7 8 9 O N D Note: 5. Product manufactured with date code 0627 (week 27, 2006) and newer are built with Green Molding Compound. Product manufactured prior to date code 0627 are built with Non-Green Molding Compound and may contain Halogens or Sb2O3 Fire Retardants. MMBZ5221BW - MMBZ5259BW 1 of 5 February 2014 Document number: DS31037 Rev. 14 - 2 www.diodes.com © Diodes Incorporated

MMBZ5221BW - MMBZ5259BW Maximum Ratings (@TA = +25°C, unless otherwise specified.) Characteristic Symbol Value Unit Forward Voltage @ IF = 10mA VF 0.9 V Thermal Characteristics Characteristic Symbol Value Unit Power Dissipation (Note 6) PD 200 mW Thermal Resistance, Junction to Ambient Air (Note 6) RθJA 625 °C/W Operating and Storage Temperature Range TJ, TSTG -65 to +150 °C Notes: 6. Mounted on FR4 PC Board with recommended pad layout which can be found on our website at http://www.diodes.com/datasheets/ap02001.pdf. Electrical Characteristics (@TA = +25°C, unless otherwise specified.) Maximum Zener Impedance Maximum Reverse Zener Voltage Range (Note 7) Test Current (Note 8) Leakage Current (Note 7) Type Marking Number Code VZ @ IZT IZT ZZT @ IZT Z=Z 0K. 2@5 mIZAK IR @ VR Nom (V) Min (V) Max (V) mA Ω μA V MMBZ5221BW KC1 2.4 2.28 2.52 20 30 1200 100 1.0 MMBZ5223BW KC3 2.7 2.57 2.84 20 30 1300 75 1.0 MMBZ5225BW KC5 3.0 2.85 3.15 20 30 1600 50 1.0 MMBZ5226BW KG1 3.3 3.14 3.47 20 28 1600 25 1.0 MMBZ5227BW KG2 3.6 3.42 3.78 20 24 1700 15 1.0 MMBZ5228BW KG3 3.9 3.71 4.10 20 23 1900 10 1.0 MMBZ5229BW KG4 4.3 4.09 4.52 20 22 2000 5.0 1.0 MMBZ5230BW KG5 4.7 4.47 4.94 20 19 1900 5.0 2.0 MMBZ5231BW KE1 5.1 4.85 5.36 20 17 1600 5.0 2.0 MMBZ5232BW KE2 5.6 5.32 5.88 20 11 1600 5.0 3.0 MMBZ5233BW KE3 6 5.70 6.30 20 7.0 1600 5.0 3.5 MMBZ5234BW KE4 6.2 5.89 6.51 20 7.0 1000 5.0 4.0 MMBZ5235BW KE5 6.8 6.46 7.14 20 5.0 750 3.0 5.0 MMBZ5236BW KF1 7.5 7.13 7.88 20 6.0 500 3.0 6.0 MMBZ5237BW KF2 8.2 7.79 8.61 20 8.0 500 3.0 6.5 MMBZ5238BW KF3 8.7 8.27 9.14 20 8 600 3 6.5 MMBZ5239BW KF4 9.1 8.65 9.56 20 10 600 3.0 7.0 MMBZ5240BW KF5 10 9.50 10.50 20 17 600 3.0 8.0 MMBZ5241BW KH1 11 10.45 11.55 20 22 600 2.0 8.4 MMBZ5242BW KH2 12 11.40 12.60 20 30 600 1.0 9.1 MMBZ5243BW KH3 13 12.35 13.65 9.5 13 600 0.5 9.9 MMBZ5245BW KH5 15 14.25 15.75 8.5 16 600 0.1 11 MMBZ5246BW KJ1 16 15.20 16.80 7.8 17 600 0.1 12 MMBZ5248BW KJ3 18 17.10 18.90 7.0 21 600 0.1 14 MMBZ5250BW KJ5 20 19.00 21.00 6.2 25 600 0.1 15 MMBZ5251BW KK1 22 20.90 23.10 5.6 29 600 0.1 17 MMBZ5252BW KK2 24 22.80 25.20 5.2 33 600 0.1 18 MMBZ5254BW KK4 27 25.65 28.35 5.0 41 600 0.1 21 MMBZ5255BW KK5 28 26.60 29.40 4.5 44 600 0.1 21 MMBZ5256BW KM1 30 28.50 31.50 4.2 49 600 0.1 23 MMBZ5257BW KM2 33 31.35 34.65 3.8 58 700 0.1 25 MMBZ5258BW KM3 36 34.20 37.80 3.4 70 700 0.1 27 MMBZ5259BW KM4 39 37.05 40.95 3.2 80 800 0.1 30 Notes: 7. Short duration pulse test used to minimize self-heating effect. 8. f = 1KHz. MMBZ5221BW - MMBZ5259BW 2 of 5 February 2014 Document number: DS31037 Rev. 14 - 2 www.diodes.com © Diodes Incorporated

MMBZ5221BW - MMBZ5259BW 0.4 50 Note 6 40 W) 0.3 A) N ( m O T ( ATI EN 30 P R SI R S 0.2 U DI C ER ER 20 W N E O Z P, PD 0.1 I, Z 10 0 0 0 25 50 75 100 125 150 0 1 2 3 4 5 6 7 8 9 10 TA, AMBIENT TEMPERATURE (°C) VZ, ZENER VOLTAGE (V) Fig. 1 Power Derating Curve Fig. 2 Typical Zener Breakdown Characteristics 30 1,000 Tj = 25°C 10 Tj = 25 °C 12 f = 1MHz F) p NT (mA) 20 15 Nominal Zener Voltage TANCE ( R CURRE Test current IZ 18 L CAPACI 100 VR = 1V E 22 A N 10 T E 27 O Z T I, Z 33 36 39 C, T VR = 2V 0 10 0 10 20 30 40 1 10 100 V , ZENER VOLTAGE (V) V , NOMINAL ZENER VOLTAGE (V) Z Z Fig. 3 Typical Zener Breakdown Characteristics Fig. 4 Typical Total Capacitance vs. Nominal Zener Voltage 1,000 100 W) )Ω R ( CE ( 100 WE N O A P D E E G MP UR10 ER I K S EN 10 EA Z P Z, Z , PK P 1 1 1 10 100 1 10 100 1,000 V , ZENER VOLTAGE (V) PULSE WIDTH (ms) Z Fig. 5 Typical Zener Impedence Characteristics Fig. 6 Maximum Non-repetitive Surge Power MMBZ5221BW - MMBZ5259BW 3 of 5 February 2014 Document number: DS31037 Rev. 14 - 2 www.diodes.com © Diodes Incorporated

MMBZ5221BW - MMBZ5259BW Package Outline Dimensions Please see AP02002 at http://www.diodes.com/datasheets/ap02002.pdf for latest version. A SOT323 Dim Min Max Typ A 0.25 0.40 0.30 B C B 1.15 1.35 1.30 C 2.00 2.20 2.10 D - - 0.65 G G 1.20 1.40 1.30 H 1.80 2.20 2.15 H J 0.0 0.10 0.05 K 0.90 1.00 1.00 K M L 0.25 0.40 0.30 M 0.10 0.18 0.11 J α 0° 8° - D L All Dimensions in mm Suggested Pad Layout Please see AP02001 at http://www.diodes.com/datasheets/ap02001.pdf for latest version. Y Dimensions Value (in mm) Z 2.8 Z C X 0.7 Y 0.9 C 1.9 E 1.0 X E MMBZ5221BW - MMBZ5259BW 4 of 5 February 2014 Document number: DS31037 Rev. 14 - 2 www.diodes.com © Diodes Incorporated

MMBZ5221BW - MMBZ5259BW IMPORTANT NOTICE DIODES INCORPORATED MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARDS TO THIS DOCUMENT, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE (AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION). Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes without further notice to this document and any product described herein. Diodes Incorporated does not assume any liability arising out of the application or use of this document or any product described herein; neither does Diodes Incorporated convey any license under its patent or trademark rights, nor the rights of others. Any Customer or user of this document or products described herein in such applications shall assume all risks of such use and will agree to hold Diodes Incorporated and all the companies whose products are represented on Diodes Incorporated website, harmless against all damages. Diodes Incorporated does not warrant or accept any liability whatsoever in respect of any products purchased through unauthorized sales channel. Should Customers purchase or use Diodes Incorporated products for any unintended or unauthorized application, Customers shall indemnify and hold Diodes Incorporated and its representatives harmless against all claims, damages, expenses, and attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized application. Products described herein may be covered by one or more United States, international or foreign patents pending. Product names and markings noted herein may also be covered by one or more United States, international or foreign trademarks. This document is written in English but may be translated into multiple languages for reference. Only the English version of this document is the final and determinative format released by Diodes Incorporated. LIFE SUPPORT Diodes Incorporated products are specifically not authorized for use as critical components in life support devices or systems without the express written approval of the Chief Executive Officer of Diodes Incorporated. As used herein: A. Life support devices or systems are devices or systems which: 1. are intended to implant into the body, or 2. support or sustain life and whose failure to perform when properly used in accordance with instructions for use provided in the labeling can be reasonably expected to result in significant injury to the user. B. A critical component is any component in a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or to affect its safety or effectiveness. Customers represent that they have all necessary expertise in the safety and regulatory ramifications of their life support devices or systems, and acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related requirements concerning their products and any use of Diodes Incorporated products in such safety-critical, life support devices or systems, notwithstanding any devices- or systems-related information or support that may be provided by Diodes Incorporated. Further, Customers must fully indemnify Diodes Incorporated and its representatives against any damages arising out of the use of Diodes Incorporated products in such safety-critical, life support devices or systems. Copyright © 2014, Diodes Incorporated www.diodes.com MMBZ5221BW - MMBZ5259BW 5 of 5 February 2014 Document number: DS31037 Rev. 14 - 2 www.diodes.com © Diodes Incorporated