MMSZ5221BS - MMSZ5259BS SURFACE MOUNT ZENER DIODE Features Mechanical Data • Planar Die Construction • Case: SOD323 • Small Surface Mount Package • Case Material: Molded Plastic. UL Flammability Classification • General Purpose Rating 94V-0 • Ideally Suited for Automated Assembly Processes • Moisture Sensitivity: Level 1 per J-STD-020D • Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2) • Terminals: Solderable per MIL-STD-202, Method 208 e3 • Halogen and Antimony Free. “Green” Device (Note 3) • Lead Free Plating (Matte Tin Finish annealed over Alloy 42 leadframe). Polarity: Cathode Band • Weight: 0.004 grams (approximate) Top View Ordering Information (Note 4) Part Number Case Packaging (Type Number)-7-F* SOD-323 3000/Tape & Reel (Type Number)-13-F* (Note 5) SOD-323 10000/Tape & Reel * For (Type Number), please see the Electrical Characteristics Table. Example: 6.2V Zener = MMSZ5234BS-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 5. Devices are readily available on 13” reels for select voltages only. For other voltages, devices can be made available on 13” reels upon request. Please contact your Diodes Inc. sales representative for additional details. Marking Information XX XX = Product Type Marking Code (See Electrical Characteristics Table) MMSZ5221BS -MMSZ5259BS 1 of 5 January 2014 Document number: DS31038 Rev. 13 - 2 www.diodes.com © Diodes Incorporated

MMSZ5221BS - MMSZ5259BS Maximum Ratings (@TA = +25°C, unless otherwise specified.) Characteristic Symbol Value Unit Forward Voltage (Note 6) @ IF = 10mA VF 0.9 V Thermal Characteristics Characteristic Symbol Value Unit Power Dissipation (Note 7) PD 200 mW Thermal Resistance, Junction to Ambient Air (Note 7) RθJA 625 °C/W Operating and Storage Temperature Range TJ, TSTG -65 to +150 °C Electrical Characteristics (@TA = +25°C, unless otherwise specified.) Test Maximum Zener Maximum Reverse Zener Voltage Range (Note 8) Current Impedance (Note 9) Leakage Current (Note 8) Type Marking Number Code VZ @ IZT IZT ZZT @ IZT Z= Z0K. 2@5m IZAK IR @ VR Nom (V) Min (V) Max (V) mA Ω µA V MMSZ5221BS C1 2.4 2.28 2.52 20 30 1200 100 1.0 MMSZ5223BS C3 2.7 2.57 2.84 20 30 1300 75 1.0 MMSZ5225BS C5 3.0 2.85 3.15 20 30 1600 50 1.0 MMSZ5226BS G1 3.3 3.14 3.47 20 28 1600 25 1.0 MMSZ5227BS G2 3.6 3.42 3.78 20 24 1700 15 1.0 MMSZ5228BS G3 3.9 3.71 4.10 20 23 1900 10 1.0 MMSZ5229BS G4 4.3 4.09 4.52 20 22 2000 5.0 1.0 MMSZ5230BS G5 4.7 4.4 7 4.94 20 19 1900 5.0 2.0 MMSZ5231BS E1 5.1 4.85 5.36 20 17 1600 5.0 2.0 MMSZ5232BS E2 5.6 5.32 5.88 20 11 1600 5.0 3.0 MMSZ5233BS E3 6.0 5.70 6.30 20 7 1600 5.0 3.5 MMSZ5234BS E4 6.2 5.89 6.51 20 7 1000 5.0 4.0 MMSZ5235BS E5 6.8 6.46 7.14 20 5 750 3.0 5.0 MMSZ5236BS F1 7.5 7.13 7.88 20 6 500 3.0 6.0 MMSZ5237BS F2 8.2 7.79 8.61 20 8 500 3.0 6.5 MMSZ5238BS F3 8.7 8.27 9.14 20 8 600 3.0 6.5 MMSZ5239BS F4 9.1 8.65 9.56 20 10 600 3.0 7.0 MMSZ5240BS F5 10 9.50 10.50 20 17 600 3.0 8.0 MMSZ5241BS H1 11 10.45 11.55 20 22 600 2.0 8.4 MMSZ5242BS H2 12 11.40 12.60 20 30 600 1.0 9.1 MMSZ5243BS H3 13 12.35 13.65 9.5 13 600 0.5 9.9 MMSZ5245BS H5 15 14.25 15.75 8.5 16 600 0.1 11 MMSZ5246BS J1 16 15.20 16.80 7.8 17 600 0.1 12 MMSZ5248BS J3 18 17.10 18.90 7.0 21 600 0.1 14 MMSZ5250BS J5 20 19.00 21.00 6.2 25 600 0.1 15 MMSZ5251BS K1 22 20.90 23.10 5.6 29 600 0.1 17 MMSZ5252BS K2 24 22.80 25.20 5.2 33 600 0.1 18 MMSZ5254BS K4 27 25.65 28.35 5.0 41 600 0.1 21 MMSZ5255BS K5 28 26.60 29.40 4.5 44 600 0.1 21 MMSZ5256BS M1 30 28.50 31.50 4.2 49 600 0.1 23 MMSZ5257BS M2 33 31.35 34.65 3.8 58 700 0.1 25 MMSZ5258BS M3 36 34.20 37.80 3.4 70 700 0.1 27 MMSZ5259BS M4 39 37.05 40.95 3.2 80 800 0.1 30 Notes: 6. Short duration pulse test used to minimize self-heating effect. 7. Part mounted on FR-4 PC board with recommended pad layout, which can be found on our website at http://www.diodes.com/datasheets/ap02001.pdf 8. Short duration pulse test used to minimize self-heating effect. 9. f = 1KHz. MMSZ5221BS -MMSZ5259BS 2 of 5 January 2014 Document number: DS31038 Rev. 13 - 2 www.diodes.com © Diodes Incorporated

MMSZ5221BS - MMSZ5259BS 0.4 50 Note 7 W) 40 N ( 0.3 mA) PATIO ENT ( 30 DISSI 0.2 CURR ER ER 20 W N O E P Z P, D 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 Derated Curve Fig. 2 Typical Zener Breakdown Characteristics 30 1,000 Tj = 25°C 10 f = 1MHz 12 F) p T (mA) 20 15 Nominal Zener Voltage NCE ( 100 0V BIAS N A RRE Test current IZ 18 ACIT U P C A ER 22 AL C N 10 T 10 E 27 O Z T I, Z 33 36 39 C, T 0 1 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 )Ω E ( 100 IZ = 1.0mA C N A D E P M R I E N 10 E Z , Z Z 1 1 10 100 V , ZENER VOLTAGE (V) Z Fig. 5 Typical Zener Impedance Characteristics MMSZ5221BS -MMSZ5259BS 3 of 5 January 2014 Document number: DS31038 Rev. 13 - 2 www.diodes.com © Diodes Incorporated

MMSZ5221BS - MMSZ5259BS Package Outline Dimensions Please see AP02002 at http://www.diodes.com/datasheets/ap02002.pdf for latest version. C H SOD323 Dim Min Max A 0.25 0.35 B 1.20 1.40 B A C 2.30 2.70 H 1.60 1.80 J 0.00 0.10 K 1.0 1.1 L 0.20 0.40 M 0.10 0.15 α 0° 8° K All Dimensions in mm M J L Suggested Pad Layout Please see AP02001 at http://www.diodes.com/datasheets/ap02001.pdf for latest version. X1 X Dimensions Value (in mm) Y G 1.520 X 0.590 X1 2.700 Y 0.450 G MMSZ5221BS -MMSZ5259BS 4 of 5 January 2014 Document number: DS31038 Rev. 13 - 2 www.diodes.com © Diodes Incorporated

MMSZ5221BS - MMSZ5259BS 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 MMSZ5221BS -MMSZ5259BS 5 of 5 January 2014 Document number: DS31038 Rev. 13 - 2 www.diodes.com © Diodes Incorporated

Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: D iodes Incorporated: MMSZ5250BS-7-F MMSZ5255BS-7-F MMSZ5225BS-7-F MMSZ5231BS-7-F MMSZ5256BS-7-F MMSZ5245BS-7- F MMSZ5239BS-7-F MMSZ5241BS-7-F MMSZ5227BS-7-F MMSZ5230BS-7-F MMSZ5236BS-7-F MMSZ5242BS- 7-F MMSZ5229BS-7-F MMSZ5235BS-7-F MMSZ5254BS-7-F MMSZ5248BS-7-F MMSZ5252BS-7-F MMSZ5228BS-7-F MMSZ5240BS-7-F MMSZ5234BS-7-F MMSZ5232BS-7-F MMSZ5226BS-7-F MMSZ5237BS-7-F MMSZ5243BS-7-F MMSZ5251BS-7-F MMSZ5221BS-7-F MMSZ5223BS-7-F MMSZ5233BS-7-F MMSZ5238BS-7- F MMSZ5246BS-7-F MMSZ5257BS-7-F MMSZ5258BS-7-F MMSZ5259BS-7-F