1N4448WSF SURFACE MOUNT FAST SWITCHING DIODE Features Mechanical Data Fast Switching Speed: t 4.0ns Case: SOD323F rr Low Leakage Current: I 25nA Case Material: Molded Plastic, Green Molding Compound. R UL Flammability Classification Rating 94V-0 Low Capacitance: C 4pF T Moisture Sensitivity: Level 1 per J-STD-020 Flat Lead for High Thermal Efficiency Terminal Connections: Cathode Band Small Surface Mount Package Terminals: Finish - Matte Tin annealed over Copper Alloy Lead, Halogen and Antimony Free, RoHS Compliant (Note 1) leadframe. Solderable per MIL-STD-202, Method 208 Gree Device (Note 2) Weight: 0.007 grams (approximate) Qualified to AEC-Q101 Standards for High Reliability SOD323F Top View Ordering Information (Note 3) Part Number Qualification Case Packaging 1N4448WSF-7 Commercial SOD323F 3000/Tape & Reel 1N4448WSFQ-7 Automotive SOD323F 3000/Tape & Reel Notes: 1. No purposefully added lead. Halogen and Antimony Free. 2. Diodes Inc. sGree policy can be found on our website at 1N4448WSF Maximum Ratings T = 25C unless otherwise specified A Characteristic Symbol Value Unit Non-Repetitive Peak Reverse Voltage V 100 V RM V Peak Repetitive Reverse Voltage RRM Working Peak Reverse Voltage 75 V V RWM DC Blocking Voltage V R RMS Reverse Voltage V 53 V R(RMS) Forward Continuous Current I 500 mA FM Average Rectified Output Current I 250 mA O Non-Repetitive Peak Forward Surge Current t = 1.0s 4 A I FSM t = 1.0s 0.5 Thermal Characteristics Characteristic Symbol Value Unit Power Dissipation (Note 4) 400 mW P D Thermal Resistance Junction to Ambient Air (Note 4) R 313 C/W 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 5) V 75 V I = 100A (BR)R R 0.62 0.72 I = 5.0mA F 0.855 I = 10mA F Forward Voltage V V F 1.0 I = 100mA F 1.25 I = 150mA F 2.5 A V = 75V R 50 A V = 75V, T = 150C R J Leakage Current (Note 5) I R 30 A V = 25V, T = 150C R J 25 nA V = 20V R Total Capacitance C 4.0 pF V = 0, f = 1.0MHz T R I = I = 10mA, F R Reverse Recovery Time 4.0 ns t rr I = 0.1 x I , R = 100 rr R L Notes: 4. Part mounted on FR-4 PC board with minimum recommended pad layouts, which can be found on our website at