1N4448WS SURFACE MOUNT FAST SWITCHING DIODE Features Mechanical Data * * * * * * * * * * Fast Switching Speed Small Surface Mount Package For General Purpose Switching Applications High Conductance Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2) Halogen and Antimony Free. "Green" Device (Note 3) Qualified to AEC-Q101 Standards for High Reliability PPAP Capable (Note 4) * * * * Case: SOD323 Case Material: Molded Plastic, "Green" Molding Compound. UL Flammability Classification Rating 94V-0 Moisture Sensitivity: Level 1 per J-STD-020 Leads: Matte Tin Finish Annealed over Alloy 42 Leadframe (Lead-Free Plating). Solderable per MIL-STD-202, Method 208 Polarity: Cathode Band Weight: 0.004 grams (Approximate) SOD323 Top View Device Schematic Ordering Information (Note 5) Part Number 1N4448WS-7-F 1N4448WSQ-7-F Notes: Compliance Standard Automotive Case SOD323 SOD323 Packaging 3,000/Tape & Reel 3,000/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. Automotive products are AEC-Q101 qualified and are PPAP capable. For more information, please refer to http://www.diodes.com/product_compliance_definitions.html. 5. For packaging details, go to our website at http://www.diodes.com/products/packages.html. Marking Information SOD323 T5 T5 = Product Type Marking Code Cathode Band 1N4448WS Document number: DS30096 Rev. 15 - 2 1 of 5 www.diodes.com November 2015 (c) Diodes Incorporated 1N4448WS Maximum Ratings (@TA = +25C, unless otherwise specified.) Characteristic Non-Repetitive Peak Reverse Voltage Symbol Value Unit VRM 100 V VRRM VRWM VR 75 V VR(RMS) 53 V Forward Continuous Current IFM 500 mA Average Rectified Output Current IO 250 mA IFSM 4 0.5 A Symbol Value Unit Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage RMS Reverse Voltage Non-Repetitive Peak Forward Surge Current @t = 1.0s @t = 1.0s Thermal Characteristics Characteristic Power Dissipation (Note 7) Thermal Resistance Junction to Ambient Air (Note 7) Operating and Storage Temperature Range PD 200 mW RJA 625 C/W TJ, TSTG -65 to +150 C Electrical Characteristics (@TA = +25C, unless otherwise specified.) Characteristic Reverse Breakdown Voltage (Note 6) Forward Voltage Symbol Min Max Unit V(BR)R 75 V Test Condition IR = 2.5A VFM 0.62 0.72 0.855 1.0 1.25 V IF = 5.0mA IF = 10mA IF = 100mA IF = 150mA A A A nA VR = 75V VR = 75V, TJ = +150C VR = 25V, TJ = +150C VR = 20V Peak Reverse Current (Note 6) IRM 2.5 50 30 25 Total Capacitance CT 4.0 pF VR = 0, f = 1.0MHz Reverse Recovery Time tRR 4.0 ns IF = IR = 10mA, IRR = 0.1 x IR, RL = 100 Notes: 6. Short duration pulse test used to minimize self-heating. 7. Part mounted on FR-4 PC board with minimum recommended pad layouts, which can be found on our website http://www.diodes.com/datasheets/ap02001.pdf. 1N4448WS Document number: DS30096 Rev. 15 - 2 2 of 5 www.diodes.com November 2015 (c) Diodes Incorporated 1N4448WS 200 Note 7 100 0 0 25 50 75 100 125 TA, AMBIENT TEMPERATURE ( C) Figure 1 Forward Current Derating Curve 1000 100 TA = 150C T A = 125C 10 T A = 85C TA = 25C 1 T A = -55C 0.1 150 0 200 400 600 800 1000 1200 1400 1600 V F, INSTANTANEOUS FORWARD VOLTAGE (mV) Figure 2 Typical Forward Characteristics 10.0 4 f = 1MHz CT, TOTAL CAPACITANCE (pF) IR, INSTANTANEOUS REVERSE CURRENT(A) IF , I NSTANTANEOUS FORWARD CURRENT (mA) PD, POWER DISSIPATION (mW) 300 TA = 100C 1.0 TA = 75 C 0.10 TA = 50 C TA = 25C T A = 0 C 0.01 TA = -30C 0.001 0 40 60 80 20 VR, INSTANTANEOUS REVERSE VOLTAGE (V) Figure 3 Typical Reverse Characteristics 3 2 1 0 0 5 3 2 4 6 VR, DC REVERSE VOLTAGE (V) Figure 4 Total Capacitance vs. Reverse Voltage 1 trr, REVERSE RECOVERY TIME (nS) 2.5 2.0 1.5 1.0 0.5 0 0 2 4 6 8 10 IF, FORWARD CURRENT (mA) Figure 5 Reverse Recovery Time vs. Forward Current 1N4448WS Document number: DS30096 Rev. 15 - 2 3 of 5 www.diodes.com November 2015 (c) Diodes Incorporated 1N4448WS Package Outline Dimensions Please see AP02002 at http://www.diodes.com/datasheets/ap02002.pdf for the latest version. A2 A1 a L c He E b D SOD323 Dim Min Max Typ A1 -0.10 0.05 A2 1.00 1.10 1.05 b 0.25 0.35 0.30 c 0.10 0.15 0.11 D 1.20 1.40 1.30 E 1.60 1.80 1.70 He 2.30 2.70 2.50 L 0.20 0.40 0.30 a 0 8 -All Dimensions in mm Suggested Pad Layout Please see AP02001 at http://www.diodes.com/datasheets/ap02001.pdf for the latest version. X1 Dimensions Value (in mm) X 0.590 X1 2.700 Y 0.450 Y X 1N4448WS Document number: DS30096 Rev. 15 - 2 4 of 5 www.diodes.com November 2015 (c) Diodes Incorporated 1N4448WS 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 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 (c) 2015, Diodes Incorporated www.diodes.com 1N4448WS Document number: DS30096 Rev. 15 - 2 5 of 5 www.diodes.com November 2015 (c) Diodes Incorporated