SDM20U40 SURFACE MOUNT SCHOTTKY BARRIER DIODE Features Mechanical Data Low Forward Voltage Drop Guard Ring Construction for Transient Protection Negligible Reverse Recovery Time Low Reverse Capacitance Ultra-Small Surface Mount Package Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2) Case: SOD523 Case Material: Molded Plastic, "Green" Molding Compound. 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 Halogen and Antimony Free. "Green" Device (Note 3) Polarity: Cathode Band Qualified to AEC-Q101 Standards for High Reliability Weight: 0.002 grams (approximate) Top View Ordering Information (Note 4) Device SDM20U40-7 (Note 5) SDM20U40-13 (Note 6) Notes: Packaging SOD523 SOD523 Shipping 3,000/Tape & Reel 10,000/Tape & Reel 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. Dispensed in every other cavity of the tape. 6. Dispensed in every cavity of the tape. Marking Information S4 SDM20U40 Document number: DS30393 Rev. 10 - 2 S4 = Product Type Marking Code 1 of 4 www.diodes.com May 2013 (c) Diodes Incorporated SDM20U40 Maximum Ratings (@TA = +25C, unless otherwise specified.) Characteristic Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage RMS Reverse Voltage Forward Continuous Current (Note 7) Non-Repetitive Peak Forward Surge Current @ t 1.0s Symbol VRRM VRWM VR VR(RMS) IFM IFSM Value Unit 40 V 28 250 1.0 V mA A Symbol PD RJA TJ, TSTG Value 150 667 -65 to +125 Unit mW C/W C Thermal Characteristics Characteristic Power Dissipation (Note 7) Thermal Resistance, Junction to Ambient Air (Note 7) Operating and Storage Temperature Range Electrical Characteristics (@TA = +25C, unless otherwise specified.) Characteristic Reverse Breakdown Voltage (Note 8) Symbol V(BR)R Min 40 Typ Forward Voltage Drop VF Peak Reverse Current (Note 8) IR Total Capacitance CT Reverse Recovery Time trr Unit V 5 1 50 A A pF 10 ns V Test Conditions IR = 10A IF = 10mA IF = 20mA IF = 200mA VR = 30V VR = 10V VR = 0V, f = 1.0MHz IF = IR = 200mA, Irr = 0.1 x IR, RL = 100 7. Device mounted on FR-4 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 so as to minimize self-heating effect. 1,000 100 TA = 125C 10 TA = 75C 1 T A = 25C 0.1 0.01 TA = -25C 0.001 800 0 600 200 400 VF, INSTANTANEOUS FORWARD VOLTAGE (mV) Figure 1 Typical Forward Characteristics SDM20U40 Document number: DS30393 Rev. 10 - 2 IR, INSTANTANEOUS REVERSE CURRENT (A) IF, INSTANTANEOUS FORWARD CURRENT (mA) Notes: Max 0.35 0.37 0.60 1,000 TA = 125C 100 TA = 75C 10 1 TA = 25C 0.1 0.01 0.001 2 of 4 www.diodes.com TA = -25C 40 30 10 20 1 VR, INSTANTANEOUS REVERSE VOLTAGE (V) Figure 2 Typical Reverse Characteristics May 2013 (c) Diodes Incorporated SDM20U40 200 100 f = 1MHz PD, POWER DISSIPATION (mW) CT, TOTAL CAPACITANCE (pF) Note 7 10 1.0 0.1 0 150 100 50 0 10 20 30 40 VR, DC REVERSE VOLTAGE (V) Figure 3 Total Capacitance vs. Reverse Voltage 0 25 75 50 100 TA, AMBIENT TEMPERATURE ( C) Figure 4 Power Derating Curve 125 Package Outline Dimensions Please see AP02002 at http://www.diodes.com/datasheets/ap02002.pdf for latest version. L C H M A SOD523 Dim Min Max A 0.25 0.35 B 0.70 0.90 C 1.50 1.70 H 1.10 1.30 K 0.55 0.65 L 0.10 0.30 M 0.10 0.12 All Dimensions in mm K B Suggested Pad Layout Please see AP02001 at http://www.diodes.com/datasheets/ap02001.pdf for the latest version. C Dimensions Value (in mm) Z 2.3 G 1.1 X 0.8 0.6 Y 1.7 C X Y G Z SDM20U40 Document number: DS30393 Rev. 10 - 2 3 of 4 www.diodes.com May 2013 (c) Diodes Incorporated SDM20U40 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. 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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) 2013, Diodes Incorporated www.diodes.com SDM20U40 Document number: DS30393 Rev. 10 - 2 4 of 4 www.diodes.com May 2013 (c) Diodes Incorporated