BAS19 / BAS20 / BAS21 SURFACE MOUNT FAST SWITCHING DIODE Features Mechanical Data Fast Switching Speed Case: SOT23 Surface Mount Package Ideally Suited for Automated Insertion Case Material: Molded Plastic. For General Purpose Switching Applications High Conductance Moisture Sensitivity: Level 1 per J-STD-020 Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2) Terminals: Solderable per MIL-STD-202, Method 208 Halogen and Antimony Free. "Green" Device (Note 3) Qualified to AEC-Q101 Standards for High Reliability Lead Free Plating (Matte Tin Finish Annealed over Alloy 42 Leadframe). PPAP Capable (Note 4) Polarity: See Diagram Weight: 0.008 grams (Approximate) UL Flammability Classification Rating 94V-0 SOT23 Top View Top View Internal Schematic Qualification Commercial Commercial Commercial Automotive Commercial Automotive Commercial Automotive Case SOT23 SOT23 SOT23 SOT23 SOT23 SOT23 SOT23 SOT23 Ordering Information (Note 5) Part Number BAS19-7-F BAS20-7-F BAS20-13-F BAS20Q-13-F BAS21-7-F BAS21Q-7-F BAS21-13-F BAS21Q-13-F Notes: Packaging 3,000/Tape & Reel 3,000/Tape & Reel 10,000/Tape & Reel 10,000/Tape & Reel 3,000/Tape & Reel 3,000/Tape & Reel 10,000/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. Automotive, AEC-Q101 and standard products are electrically and thermally the same, except where specified. For more information, please 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 Date Code Key Year Code Month Code 2000 L 2001 M 2002 N YM KXX KXX = Product Type Marking Code BAS19 Marking: KA8, KT3; KT2 BAS20 Marking: KT2, KT3 BAS21 Marking: KT3 YM = Date Code Marking Y = Year (ex: F = 2018) M = Month (ex: 9 = September) ..... ..... 2016 D 2017 E 2018 F 2019 G 2020 H 2021 I 2022 J 2023 K 2024 L Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 1 2 3 4 5 6 7 8 9 O N D BAS19 / BAS20 / BAS21 Document number: DS12004 Rev. 22 - 2 1 of 4 www.diodes.com June 2018 (c) Diodes Incorporated BAS19 / BAS20 / BAS21 Maximum Ratings (@TA = 25C, unless otherwise specified.) Characteristic Repetitive Peak Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage RMS Reverse Voltage Forward Continuous Current (Note 6) Average Rectified Output Current (Note 6) Non-Repetitive Peak Forward Surge Current Symbol VRRM VRWM VR VR(RMS) IFM IO @ t = 1.0s @ t = 1.0s Repetitive Peak Forward Surge Current (Note 6) BAS19 120 BAS20 200 BAS21 250 Unit V 100 150 200 V 71 106 400 200 2.5 0.5 625 141 V mA mA IFSM IFRM A mA Thermal Characteristics Characteristic Power Dissipation (Note 6) Thermal Resistance Junction to Ambient Air (Note 6) Operating and Storage Temperature Range Symbol PD RJA TJ , TSTG Value 250 500 -65 to +150 Unit mW C/W C Electrical Characteristics (@TA = 25C, unless otherwise specified.) Characteristic Reverse Breakdown Voltage (Note 7) Symbol BAS19 BAS20 BAS21 V(BR)R Min 120 200 250 Max Unit V nA A Forward Voltage VF Reverse Current @ Rated DC Blocking Voltage (Note 7) IR 1.0 1.25 100 15 Total Capacitance CT 5.0 pF Reverse Recovery Time trr 50 ns Notes: V Test Condition IR = 100A IF = 100mA IF = 200mA TJ = 25C TJ = 100C VR = 0, f = 1.0MHz IF = IR = 30mA, Irr = 0.1 x IR, RL = 100 6. Part mounted on FR-4 board with recommended pad layout, which can be found on our website at http://www.diodes.com. IFM, IO are valid provided that terminals are kept at ambient temperature. 7. Short duration pulse test used to minimize self-heating effect. IF, INSTANTANEOUS FORWARD CURRENT (A) 250 PD, POWER DISSIPATION (mW) Note 6 Note 4 200 150 100 50 0 0 80 160 40 120 TA, AMBIENT TEMPERATURE (C) Fig. 1 Power Derating Curve BAS19 / BAS20 / BAS21 Document number: DS12004 Rev. 22 - 2 200 1 0.1 0.01 0.001 2 of 4 www.diodes.com 0 0.2 0.4 0.8 1.0 0. 6 1.2 1.4 V F, INSTANTANEOUS FORWARD VOLTAGE (V) Fig. 2 Typical Forward Characteristics June 2018 (c) Diodes Incorporated 100 4.0 3.5 10 CT, TOTAL CAPACITANCE (pF) IR, INSTANTANEOUS REVERSE VOLTAGE (A) BAS19 / BAS20 / BAS21 1 0.1 0.01 0.001 3.0 2.5 2.0 1.5 1.0 0.5 0.0 0 0.0001 0 150 200 50 100 250 V R, INSTANTANEOUS REVERSE VOLTAGE (V) Fig. 3 Typical Reverse Characteristics 10 30 40 20 VR, DC REVERSE VOLTAGE (V) Fig. 4 Total Capacitance vs. Reverse Voltage Package Outline Dimensions Please see http://www.diodes.com/package-outlines.html for the latest version. All 7 H K1 GAUGE PLANE 0.25 J K a M A L C L1 B D F G SOT23 Dim Min Max Typ A 0.37 0.51 0.40 B 1.20 1.40 1.30 C 2.30 2.50 2.40 D 0.89 1.03 0.915 F 0.45 0.60 0.535 G 1.78 2.05 1.83 H 2.80 3.00 2.90 J 0.013 0.10 0.05 K 0.890 1.00 0.975 K1 0.903 1.10 1.025 L 0.45 0.61 0.55 L1 0.25 0.55 0.40 M 0.085 0.150 0.110 a 0 8 -All Dimensions in mm Suggested Pad Layout Please see http://www.diodes.com/package-outlines.html for the latest version. Y Dimensions C X X1 Y Y1 C Y1 X Value (in mm) 2.0 0.8 1.35 0.9 2.9 X1 BAS19 / BAS20 / BAS21 Document number: DS12004 Rev. 22 - 2 3 of 4 www.diodes.com June 2018 (c) Diodes Incorporated BAS19 / BAS20 / BAS21 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 BAS19 / BAS20 / BAS21 Document number: DS12004 Rev. 22 - 2 4 of 4 www.diodes.com June 2018 (c) Diodes Incorporated