1N4448WSF SURFACE MOUNT FAST SWITCHING DIODE Features Mechanical Data • • • • • • • • • • NEW PRODUCT Fast Switching Speed: trr ≤ 4.0ns Low Leakage Current: IR ≤ 25nA Low Capacitance: CT ≤ 4pF Flat Lead for High Thermal Efficiency Small Surface Mount Package Lead, Halogen and Antimony Free, RoHS Compliant (Note 1) "Green" Device (Note 2) Qualified to AEC-Q101 Standards for High Reliability • • • • Case: SOD323F Case Material: Molded Plastic, “Green Molding Compound”. UL Flammability Classification Rating 94V-0 Moisture Sensitivity: Level 1 per J-STD-020 Terminal Connections: Cathode Band Terminals: Finish - Matte Tin annealed over Copper Alloy leadframe. Solderable per MIL-STD-202, Method 208 Weight: 0.007 grams (approximate) SOD323F Top View Ordering Information (Note 3) Part Number 1N4448WSF-7 1N4448WSFQ-7 Notes: Qualification Commercial Automotive Case SOD323F SOD323F Packaging 3000/Tape & Reel 3000/Tape & Reel 1. No purposefully added lead. Halogen and Antimony Free. 2. Diodes Inc.'s "Green" policy can be found on our website at http://www.diodes.com. 3. For packaging details, go to our website at http://www.diodes.com. Marking Information YM TK Date Code Key Year Code Month Code 2011 Y Jan 1 2012 Z Feb 2 1N4448WSF Document number: DS35380 Rev. 3 - 2 Mar 3 TK = Product Type Marking Code YM = Date Code Marking Y = Year (ex: Y = 2011) M = Month (ex: 9 = September) 2013 A Apr 4 2014 B May 5 Jun 6 1 of 4 www.diodes.com 2015 C Jul 7 2016 D Aug 8 Sep 9 2017 E Oct O 2018 F Nov N Dec D August 2011 © Diodes Incorporated 1N4448WSF Maximum Ratings @TA = 25°C unless otherwise specified Characteristic Non-Repetitive Peak Reverse Voltage Symbol VRM VRRM VRWM VR VR(RMS) IFM IO NEW PRODUCT Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage RMS Reverse Voltage Forward Continuous Current Average Rectified Output Current Non-Repetitive Peak Forward Surge Current Value 100 Unit V 75 V V mA mA IFSM 53 500 250 4 0.5 Symbol PD RθJA TJ, TSTG Value 400 313 -65 to +150 Unit mW °C/W °C @ t = 1.0μs @ t = 1.0s A Thermal Characteristics Characteristic Power Dissipation (Note 4) Thermal Resistance Junction to Ambient Air (Note 4) Operating and Storage Temperature Range Electrical Characteristics Characteristic Reverse Breakdown Voltage (Note 5) @TA = 25°C unless otherwise specified Leakage Current (Note 5) IR Total Capacitance CT Min 75 0.62 ⎯ ⎯ ⎯ ⎯ ⎯ ⎯ ⎯ ⎯ Reverse Recovery Time trr ⎯ Forward Voltage Notes: Symbol V(BR)R VF Max ⎯ 0.72 0.855 1.0 1.25 2.5 50 30 25 4.0 Unit V 4.0 ns V μA μA μA nA pF Test Condition IR = 100μA IF = 5.0mA IF = 10mA IF = 100mA IF = 150mA VR = 75V VR = 75V, TJ = 150°C VR = 25V, TJ = 150°C VR = 20V VR = 0, f = 1.0MHz IF = IR = 10mA, Irr = 0.1 x IR, RL = 100Ω 4. Part mounted on FR-4 PC board with minimum recommended pad layouts, which can be found on our website at http://www/diodes.com. 5. Short duration pulse test used to minimize self-heating. 1N4448WSF Document number: DS35380 Rev. 3 - 2 2 of 4 www.diodes.com August 2011 © Diodes Incorporated 1N4448WSF IF, INSTANTANEOUS FORWARD CURRENT (A) PD, POWER DISSIPATION (mW) 400 Note 4 300 200 100 0 50 25 75 100 125 TA, AMBIENT TEMPERATURE (° C) Fig. 1 Forward Current Derating Curve 0 1 0.1 0.01 0.001 0.0001 150 0 0.4 0.8 1.2 1.6 VF, INSTANTANEOUS FORWARD VOLTAGE (V) Fig. 2 Typical Forward Characteristics 1.5 100 f = 1MHz TA = 150° C 10 CT, TOTAL CAPACITANCE (pF) IR, INSTANTANEOUS REVERSE CURRENT(μA) NEW PRODUCT 500 TA = 125° C 1 TA = 8 5° C 0.1 TA = 25° C 0.01 1 0.5 TA = -55° C 0.001 0 10 20 30 40 50 60 70 80 0 1 90 100 VR, INSTANTANEOUS REVERSE VOLTAGE (V) Fig. 3 Typical Reverse Characteristics 10 40 VR, DC REVERSE VOLTAGE (V) Fig. 4 Total Capacitance vs. Reverse Voltage Package Outline Dimensions He E D b (2x) β1 α1 A c α2 1N4448WSF Document number: DS35380 Rev. 3 - 2 L1 SOD323F Dim Min Max Typ A 0.60 0.75 − b 0.25 0.35 − c 0.05 0.26 − D 1.15 1.35 1.25 E 1.60 1.80 1.70 He 2.30 2.70 2.50 L1 0.30 0.50 0.40 α1 7° − − α2 3° − − β1 7° − − β2 3° − − All Dimensions in mm β2 3 of 4 www.diodes.com August 2011 © Diodes Incorporated 1N4448WSF Suggested Pad Layout C Y (2x) Dimensions Value (in mm) X 0.710 Y 0.403 C 2.700 NEW PRODUCT X (2x) 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. 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 © 2011, Diodes Incorporated www.diodes.com 1N4448WSF Document number: DS35380 Rev. 3 - 2 4 of 4 www.diodes.com August 2011 © Diodes Incorporated