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 UL Flammability Classification Rating 94V-0 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) Lead Free Plating (Matte Tin Finish Annealed over Alloy 42 Leadframe). Qualified to AEC-Q101 Standards for High Reliability Polarity: See Diagram PPAP Capable (Note 4) Weight: 0.008 grams (Approximate) SOT23 Top View Top View Internal Schematic Ordering Information (Note 5) Part Number Qualification Case Packaging BAS19-7-F Commercial SOT23 3,000/Tape & Reel BAS20-7-F Commercial SOT23 3,000/Tape & Reel BAS20-13-F Commercial SOT23 10,000/Tape & Reel BAS20Q-13-F Automotive SOT23 10,000/Tape & Reel BAS21-7-F Commercial SOT23 3,000/Tape & Reel BAS21Q-7-F Automotive SOT23 3,000/Tape & Reel BAS21-13-F Commercial SOT23 10,000/Tape & Reel BAS21Q-13-F Automotive SOT23 10,000/Tape & Reel Notes: 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 BAS19 / BAS20 / BAS21 Maximum Ratings ( T = 25C, unless otherwise specified.) A Characteristic Symbol BAS19 BAS20 BAS21 Unit Repetitive Peak Reverse Voltage 120 200 250 V V RRM Working Peak Reverse Voltage V RWM 100 150 200 V DC Blocking Voltage V R RMS Reverse Voltage V 71 106 141 V R(RMS) Forward Continuous Current (Note 6) 400 mA I FM Average Rectified Output Current (Note 6) 200 mA I O Non-Repetitive Peak Forward Surge Current t = 1.0s 2.5 A I FSM t = 1.0s 0.5 Repetitive Peak Forward Surge Current (Note 6) 625 mA I FRM Thermal Characteristics Characteristic Symbol Value Unit Power Dissipation (Note 6) P 250 mW D Thermal Resistance Junction to Ambient Air (Note 6) 500 C/W R JA Operating and Storage Temperature Range T , T -65 to +150 C J STG Electrical Characteristics ( T = 25C, unless otherwise specified.) A Characteristic Symbol Min Max Unit Test Condition Reverse Breakdown Voltage (Note 7) BAS19 120 BAS20 V 200 V I = 100A (BR)R R BAS21 250 1.0 I = 100mA F Forward Voltage V V F 1.25 I = 200mA F 100 nA T = 25C J Reverse Current Rated DC Blocking Voltage (Note 7) I R 15 A T = 100C J Total Capacitance C 5.0 pF V = 0, f = 1.0MHz T R I = I = 30mA, F R Reverse Recovery Time t 50 ns rr I = 0.1 x I , R = 100 rr R L Notes: 6. Part mounted on FR-4 board with recommended pad layout, which can be found on our website at