1N4448HWT SURFACE MOUNT FAST SWITCHING DIODE Features Mechanical Data Fast Switching Speed Ultra-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) Case: SOD523 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: Matte Tin Finish (Lead Free Plating) annealed over Alloy 42 leadframe. Solderable per MIL-STD-202, Method 208 Weight: 0.002 grams (approximate) SOD523 Top View Ordering Information (Notes 4 & 5) Part Number (Note 6) 1N4448HWT-7 1N4448HWT-13 Notes: Case SOD523 SOD523 Packaging 3000/Tape & Reel 10000/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. Product manufactured with date code 0627 (week 27, 2006) and newer are built with Green Molding Compound. Product manufactured prior to date code 0627 are built with Non-Green Molding Compound and may contain Halogens or Sb2O3 Fire Retardants. 6. Dispensed in every other cavity of the tape. Marking Information T8 T8 = Product Type Marking Code Cathode Band Maximum Ratings (@TA = +25C, unless otherwise specified.) Characteristic Non-Repetitive Peak Reverse Voltage Symbol VRM VRRM VRWM VR VR(RMS) IFM IO 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 1N4448HWT Document number: DS30395 Rev. 10 - 2 @t = 1.0s @t = 1.0s IFSM 1 of 4 www.diodes.com Value 100 Unit V 80 V 57 250 125 2.0 1.0 V mA mA A September 2013 (c) Diodes Incorporated 1N4448HWT Thermal Characteristics Characteristic Power Dissipation (Note 7) Thermal Resistance Junction to Ambient (Note 7) Operating and Storage Temperature Range Symbol PD RJA TJ, TSTG Value 150 833 -65 to +150 Unit mW C/W C Electrical Characteristics (@TA = +25C, unless otherwise specified.) Characteristic Reverse Breakdown Voltage (Note 8) Symbol V(BR)R Forward Voltage Min 80 0.62 VF Max Unit V 0.72 0.855 1.0 1.25 V nA A A nA Peak Reverse Current (Note 8) IR 100 50 30 25 Total Capacitance CT 3.0 pF Reverse Recovery Time trr 4.0 ns Notes: 7. Part mounted on FR-4 board with recommended pad layout, which can be found on our website at http://www.diodes.com. 8. Short duration pulse test used to minimize self-heating effect. 1000 IF, INSTANTANEOUS FORWARD CURRENT (mA) 200 PD, POWER DISSIPATION (mW) Test Conditions IR = 100A IF = 5.0mA IF = 10mA IF = 100mA IF = 150mA VR = 80V VR = 75V, TJ = +150C VR = 25V, TJ = +150C VR = 20V VR = 0.5V, f = 1.0MHz IF = IR = 10mA, Irr = 0.1 x IR, RL = 100 150 100 50 0 0 125 25 100 50 75 TA, AMBIENT TEMPERATURE (C) Fig. 1 Power Derating Curve 1N4448HWT Document number: DS30395 Rev. 10 - 2 100 TA = 150C TA = 125C 10 TA = 85C TA = 25C 1 TA = -55C 0.1 150 2 of 4 www.diodes.com 0 200 400 600 800 1000 1200 1400 1600 VF, INSTANTANEOUS FORWARD VOLTAGE (mV) Fig. 2 Typical Forward Characteristics September 2013 (c) Diodes Incorporated 2.5 10.0 trr, REVERSE RECOVERY TIME (nS) IR, INSTANTANEOUS REVERSE CURRENT (A) 1N4448HWT TA = 100C 1.0 TA = 75 C 0.10 T A = 50C TA = 25C TA = 0 C 0.01 TA = -30C 0.001 0 2.0 1.5 1.0 0.5 0 40 60 80 20 VR, INSTANTANEOUS REVERSE VOLTAGE (V) Fig. 3 Typical Reverse Characteristics 0 2 4 6 8 10 IF, FORWARD CURRENT (mA) Fig. 4 Reverse Recovery Time vs. Forward Current Package Outline Dimensions Please see AP02002 at http://www.diodes.com/datasheets/ap02002.pdf for latest version. L C 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 H M A K B Suggested Pad Layout Please see AP02001 at http://www.diodes.com/datasheets/ap02001.pdf for the latest version. X1 X Dimensions Value (in mm) G 0.80 X 0.60 X1 2.00 Y 0.70 Y G 1N4448HWT Document number: DS30395 Rev. 10 - 2 3 of 4 www.diodes.com September 2013 (c) Diodes Incorporated 1N4448HWT 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 (c) 2013, Diodes Incorporated www.diodes.com 1N4448HWT Document number: DS30395 Rev. 10 - 2 4 of 4 www.diodes.com September 2013 (c) Diodes Incorporated