1SMB5920B - 1SMB5939B Green 3.0W SURFACE MOUNT POWER ZENER DIODE Features Mechanical Data * * * * * * * * * * * * * Case: SMB Case Material: Molded Plastic. UL Flammability Classification Rating 94V-0 Moisture Sensitivity: Level 1 per J-STD-020 Terminals: Lead Free Plating (Matte Tin Finish). Solderable per MIL-STD-202, Method 208 Polarity: Cathode Band Weight: 0.096 grams (approximate) NEW PRODUCT 3.0W Power Dissipation Ideally Suited for Automated Assembly 6.2V - 39V Nominal Zener Voltage Range Standard VZ Tolerance is 5% ESD Rating of Class 3 (>16kV) per Human Body Model Lead Free Finish/RoHS Compliant (Note 1) Green Molding Compound (No Halogen and Antimony) Top View Bottom View Ordering Information (Note 2) Device* 1SMB59xxB-13 Packaging SMB Shipping 3000/Tape & Reel *x = Device Voltage, e.g., 1SMB5920B-13. Notes: 1. EU Directive 2002/95/EC (RoHS). All applicable RoHS exemptions applied, see EU Directive 2002/95/EC Annex Notes. 2. For packaging details, go to our website at http://www.diodes.com. Marking Information YWW B9xx 1SMB5920B - 1SMB5939B Document number: DS32125 Rev. 5 - 2 B9xx = Product type marking code (See Electric Characteristics Table) = Manufacturers' code marking YWW = Date code marking Y = Last digit of year (ex: 1 for 2011) WW = Week code (01 - 53) 1 of 5 www.diodes.com April 2011 (c) Diodes Incorporated 1SMB5920B - 1SMB5939B Maximum Ratings @TA = 25C unless otherwise specified NEW PRODUCT Characteristic Forward Voltage @IF = 200mA Zener Current (see Table page 2) Symbol VF IZM Value 1.5 P D / VZ Unit V mA Symbol Value 3.0 40 25 550 4.4 228 -65 to +150 Unit W mW/C C/W mW mW/C C/W C Thermal Characteristics Characteristic Power Dissipation @TL = 75C Derate Above 75C (Note 2) Thermal Resistance - Junction to Terminal (Note 2) Power Dissipation @TA = 25C Derate Above 25C (Note 2) Thermal Resistance - Junction to Ambient (Note 2) Operating and Storage Temperature Range PD RJT PD RJA TJ, TSTG Electrical Characteristics @TA = 25C unless otherwise specified Type Number 1SMB5920B 1SMB5921B 1SMB5922B 1SMB5923B 1SMB5924B 1SMB5925B 1SMB5926B 1SMB5927B 1SMB5928B 1SMB5929B 1SMB5930B 1SMB5931B 1SMB5932B 1SMB5933B 1SMB5934B 1SMB5935B 1SMB5936B 1SMB5937B 1SMB5938B 1SMB5939B Notes: Marking Code B920 B921 B922 B923 B924 B925 B926 B927 B928 B929 B930 B931 B932 B933 B934 B935 B936 B937 B938 B939 Zener Voltage Range (Note 4) Test Current VZ @ IZT Typ (V) 6.2 6.8 7.5 8.2 9.1 10 11 12 13 15 16 18 20 22 24 27 30 33 36 39 IZT mA 60.5 55.1 50 45.7 41.2 37.5 34.1 31.2 28.8 25 23.4 20.8 18.7 17 15.6 13.9 12.5 11.4 10.4 9.6 Min (V) 5.89 6.46 7.12 7.79 8.64 9.5 10.45 11.4 12.35 14.25 15.2 17.1 19 20.9 22.8 25.65 28.5 31.35 34.2 37.05 Max (V) 6.51 7.14 7.88 8.61 9.56 10.5 11.55 12.6 13.65 15.75 16.8 18.9 21 23.1 25.2 28.35 31.5 34.65 37.8 40.95 Maximum Zener Impedance (Note 5) ZZT @ IZT 2 2.5 3 3.5 4 4.5 5.5 6.5 7 9 10 12 14 17.5 19 23 28 33 38 45 ZZK 200 200 400 400 500 500 550 550 550 600 600 650 650 650 700 700 750 800 850 900 @ IZK mA 1 1 0.5 0.5 0.5 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 Maximum Reverse Current (Note 4) IR @ V R A V 5 4 5 5.2 5 6 5 6.5 5 7 5 8 1 8.4 1 9.1 1 9.9 1 11.4 1 12.2 1 13.7 1 15.2 1 16.7 1 18.2 1 20.6 1 22.8 1 25.1 1 27.4 1 29.7 IZM Max mA 241 220 200 182 164 150 136 125 115 100 93 83 75 68 62 55 50 45 41 38 3. Device mounted on FR-4 PCB; pad layout as shown on Diodes Inc. suggested pad layout document AP02001, which can be found on our website at http://www.diodes.com. 4. Short duration pulse test used to minimize self-heating effect. 5. ZENER IMPEDANCE (ZZ) DERIVATION ZZT and ZZK are measured by dividing the ac voltage drop across the device by the ac current applied. The specified limits are for IZ(ac) = 0.1 IZ(dc) with the ac frequency = 60 Hz. 1SMB5920B - 1SMB5939B Document number: DS32125 Rev. 5 - 2 2 of 5 www.diodes.com April 2011 (c) Diodes Incorporated 1SMB5920B - 1SMB5939B TC of VZ, TEMPERATURE COEFFICIENT OF ZENER VOLTAGE (mV/C) PD, MAXIMUM POWER DISSIPATION (W) 40 Note 3 5 4 TL 3 2 1 TA 0 30 25 20 15 10 5 0 100 125 150 50 25 75 TA, AMBIENT TEMPERATURE ( C) Fig. 1 Power Dissipation vs. Ambient Temperature 0 5 10 15 20 25 30 35 VZ, ZENER VOLTAGE (V) Fig. 2 Typical Temperature Coefficient of Zener Voltage vs. Zener Voltage 40 1,000 15V 6.2V 10 ZZ, DYNAMIC IMPEDANCE () IZ, ZENER CURRENT (mA) 35 0 100 39V 13V 1 100 1mA 10 10mA 20mA 0.1 1 0 10 20 30 40 50 VZ, ZENER VOLTAGE (V) Fig. 3 Typical Zener Breakdown Characteristics 1 10 VZ, ZENER VOLTAGE (V) Fig. 4 Effect of Zener Voltage 1,600 CT, TOTAL CAPACITANCE (pF) 39V 13V 10 15V 6.2V f = 1MHz 1,400 1,200 1,000 800 V R = 0V 600 400 200 1 100 1,800 100 ZZ, DYNAMIC IMPEDANCE () NEW PRODUCT 6 1 10 IZ, ZENER TEST CURRENT (mA) Fig. 5 Effect of Zener Current 1SMB5920B - 1SMB5939B Document number: DS32125 Rev. 5 - 2 100 3 of 5 www.diodes.com 0 V R = V Z /2 0 10 20 30 40 VR, REVERSE VOLTAGE (V) Fig. 6 Typical Total Capacitance vs. Reverse Voltage April 2011 (c) Diodes Incorporated IP, PEAK PULSE CURRENT (%Ipp) IPP, PEAK PULSE CURRENT (%Ipp) 100 50 0 20 40 t, TIME (s) Fig. 7 Pulse Waveform 0 60 t, TIME (ms) Fig. 8 Pulse Waveform 10 PPK, PEAK PULSE POWER (kW) NEW PRODUCT 1SMB5920B - 1SMB5939B 1 0.1 0.01 0.01 0.1 1 10 td , PULSE DURATION (ms) Fig. 9 Max. Peak Pulse Power vs. Pulse Duration Package Outline Dimensions B A SMB Dim Min Max A 3.30 3.94 B 4.06 4.57 C 1.96 2.21 D 0.15 0.31 E 5.00 5.59 G 0.05 0.20 H 0.76 1.52 J 2.00 2.50 All Dimensions in mm C D J G H E 1SMB5920B - 1SMB5939B Document number: DS32125 Rev. 5 - 2 4 of 5 www.diodes.com April 2011 (c) Diodes Incorporated 1SMB5920B - 1SMB5939B Suggested Pad Layout C Dimensions Value (in mm) Z 6.8 G 1.8 X 2.3 Y 2.5 C 4.3 NEW PRODUCT X Y G Z 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. 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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 (c) 2011, Diodes Incorporated www.diodes.com 1SMB5920B - 1SMB5939B Document number: DS32125 Rev. 5 - 2 5 of 5 www.diodes.com April 2011 (c) Diodes Incorporated