BAS21WQ SURFACE MOUNT FAST SWITCHING DIODE Features Mechanical Data Fast Switching Speed Surface Mount Package Ideally Suited for Automated Insertion High Breakdown Voltage Low Leakage Current 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: SOT323 Case Material: Molded Plastic, "Green" Molding Compound. UL Flammability Classification Rating 94V-0 Moisture Sensitivity: Level 1 per J-STD-020 Terminal Connections: See Diagram Terminals: Solderable per MIL-STD-202, Method 208 Lead-Free Plating (Matte Tin Finish Annealed over Alloy 42 Leadframe) Weight: 0.006 grams (Approximate) SOT323 Top View Internal Schematic Top View Ordering Information (Notes 4 & 5) Notes: Part Number Compliance Case Packaging BAS21WQ-7-F BAS21WQ-13-F Automotive Automotive SOT323 SOT323 3000/Tape & Reel 10,000/Tape & Reel 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS), 2011/65/EU (RoHS 2) & 2015/863/EU (RoHS 3) compliant. 2. See https://www.diodes.com/quality/lead-free/ 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. Refer to https://www.diodes.com/quality/. 5. For packaging details, go to our website at http://www.diodes.com/products/packages.html. Marking Information KT3 = Product Type Marking Code YM = Date Code Marking Y = Year, ex: F = 2018 M = Month, ex: 9 = September Date Code Key Year Code Month Code 2000 2001 L M Jan 1 Feb 2 BAS21WQ Document number: DS38907 Rev. 3 - 2 ... ... Mar 3 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 A B C D E F G H I J Apr 4 May 5 Jun 6 1 of 5 www.diodes.com Jul 7 Aug 8 Sep 9 Oct O Nov N Dec D June 2018 (c) Diodes Incorporated BAS21WQ Maximum Ratings (@TA = +25C, unless otherwise specified.) Symbol Value Unit Repetitive Peak Reverse Voltage Characteristic VRRM 250 V Working Peak Reverse Voltage DC Blocking Voltage VRWM VR 200 V VR(RMS) 141 V IFM 400 mA IO 200 mA IFSM 2.5 0.5 A IFRM 625 mA Symbol Value Unit PD 200 mW RJA 625 C/W TJ , TSTG -65 to +150 C RMS Reverse Voltage Forward Continuous Current (Note 6) Average Rectified Output Current (Note 6) Non-Repetitive Peak Forward Surge Current @ t = 1.0s @ t = 1.0s Repetitive Peak Forward Surge Current Thermal Characteristics Characteristic Power Dissipation Thermal Resistance Junction to Ambient Air (Note 6) Operating and Storage Temperature Range Electrical Characteristics (@TA = +25C, unless otherwise specified.) Characteristic Symbol Min Max Unit V(BR)R 250 V IR = 100A Forward Voltage VF 1.0 1.25 V IF = 100mA IF = 200mA Reverse Current @ Rated DC Blocking Voltage (Note 7) IR 100 15 nA A TJ = +25C TJ = +100C Total Capacitance CT 5.0 pF VR = 0, f = 1.0MHz Reverse Recovery Time tRR 50 ns IF = IR = 30mA, IRR = 0.1 x IR, RL = 100 Reverse Breakdown Voltage (Note 7) Notes: Test Condition 6. Part mounted on FR-4 PC board with recommended pad layout, which can be found on our website at http://www.diodes.com/package-outlines.html. IFM, IO are valid provided that terminals are kept at ambient temperature 7. Short duration pulse test used to minimize self-heating effect. BAS21WQ Document number: DS38907 Rev. 3 - 2 2 of 5 www.diodes.com June 2018 (c) Diodes Incorporated BAS21WQ IF , INSTANTANEOUS FORWARD CURRENT (A) 250 P D, POWER DISSIPATION (mW) Note 6 200 150 100 50 1 0.1 TA = -40C TA = 0C 0.01 T A = 25C T A = 75C TA = 125C TA = 150C 0.001 0 0 100 TA, AMBIENT TEMPERATURE ( C) Fig. 1 Power Derating Curve 0 200 0.2 0.4 0. 6 0.8 1.0 1.2 1.4 V F, INSTANTANEOUS FORWARD VOLTAGE (V) Fig. 2 Typical Forward Characteristics 4.0 100 T A = 150C 3.5 10 1 T A = 75C 0.1 T A = 25C 0.01 T A = 0C TA = -40C 0.001 0.0001 CT , TOTAL CAPACITANCE (pF) TA = 125C 0 Document number: DS38907 Rev. 3 - 2 3.0 2.5 2.0 1.5 1.0 0.5 50 100 150 200 250 VR , INSTANTANEOUS REVERSE VOLTAGE (V) Fig. 3 Typical Reverse Characteristics BAS21WQ f = 1.0MHz 3 of 5 www.diodes.com 0.0 0 10 20 30 40 VR, DC REVERSE VOLTAGE (V) Fig. 4 Total Capacitance vs. Reverse Voltage June 2018 (c) Diodes Incorporated BAS21WQ Package Outline Dimensions Please see http://www.diodes.com/package-outlines.html for the latest version. SOT323 D A2 c A1 SOT323 Dim Min Max Typ A1 0.00 0.10 0.05 A2 0.90 1.00 0.95 b 0.25 0.40 0.30 c 0.10 0.18 0.11 D 1.80 2.20 2.15 E 2.00 2.20 2.10 E1 1.15 1.35 1.30 e 0.650 BSC e1 1.20 1.40 1.30 F 0.375 0.475 0.425 L 0.25 0.40 0.30 a 0 8 -All Dimensions in mm a e L b E E1 e1 F Suggested Pad Layout Please see http://www.diodes.com/package-outlines.html for the latest version. SOT323 X Y Dimensions Y1 C G X Y Y1 G Value (in mm) 0.650 1.300 0.470 0.600 2.500 C BAS21WQ Document number: DS38907 Rev. 3 - 2 4 of 5 www.diodes.com June 2018 (c) Diodes Incorporated BAS21WQ 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) 2018, Diodes Incorporated www.diodes.com BAS21WQ Document number: DS38907 Rev. 3 - 2 5 of 5 www.diodes.com June 2018 (c) Diodes Incorporated