BAS19W - BAS21W SURFACE MOUNT FAST SWITCHING DIODE Features Mechanical Data Fast Switching Speed Case: SOT-323 Surface Mount Package Ideally Suited for Automated Insertion Case Material: Molded Plastic,Gree Molding Compound, Note 5. UL Flammability Classification Rating 94V-0 For General Purpose Switching Applications Moisture Sensitivity: Level 1 per J-STD-020D High Conductance Terminal Connections: See Diagram Lead Free/RoHS Compliant (Note 3) Terminals: Solderable per MIL-STD-202, Method 208 Qualified to AEC-Q101 Standards for High Reliability Lead Free Plating (Matte Tin Finish annealed over Alloy 42 Gree Device (Notes 4 and 5) leadframe) BAS19W Marking: KA8 or KT2 or KT3 (See Page 2) BAS20W Marking: KT2 or KT3 (See Page 2) BAS21W Marking: KT3 (See Page 2) Weight: 0.006 grams (approximate) SOT-323 TOP VIEW TOP VIEW Internal Schematic Maximum Ratings T = 25C unless otherwise specified A Characteristic Symbol BAS19W BAS20W BAS21W 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 1) I 400 mA FM Average Rectified Output Current (Note 1) I 200 mA 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 I 625 mA FRM Thermal Characteristics Characteristic Symbol Value Unit Power Dissipation P 200 mW D Thermal Resistance Junction to Ambient Air (Note 1) 625 C/W R JA Operating and Storage Temperature Range -65 to +150 T , T C J STG Electrical Characteristics T = 25C unless otherwise specified A Characteristic Symbol Min Max Unit Test Condition Reverse Breakdown Voltage (Note 2) BAS19W 120 BAS20W V 200 V I = 100A (BR)R R BAS21W 250 1.0 I = 100mA F Forward Voltage V V F 1.25 I = 200mA F Reverse Current 100 nA T = 25C J I R Rated DC Blocking Voltage (Note 2) 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: 1. Part mounted on FR-4 PC board with minimum recommended pad layout, which can be found on our website at BAS19W - BAS21W 250 1 Note 1 200 0.1 150 100 0.01 50 0 0.001 0100 200 0 0.2 0.4 0. 6 0.8 1.0 1.2 1.4 T , AMBIENT TEMPERATURE (C) A V , INSTANTANEOUS FORWARD VOLTAGE (V) F Fig. 1 Power Derating Curve Fig. 2 Typical Forward Characteristics 100 4.0 3.5 10 3.0 1 2.5 2.0 0.1 1.5 0.01 1.0 0.001 0.5 0.0001 0.0 150 200 050 100 250 0 10 30 40 20 V , INSTANTANEOUS REVERSE VOLTAGE (V) R V , DC REVERSE VOLTAGE (V) R Fig. 3 Typical Reverse Characteristics Fig. 4 Total Capacitance vs. Reverse Voltage Ordering Information (Notes 5 & 6) Part Number Case Packaging BAS19W-7-F SOT-323 3000/Tape & Reel BAS20W-7-F SOT-323 3000/Tape & Reel BAS21W-7-F SOT-323 3000/Tape & Reel Notes: 6. For packaging details, go to our website at