1N4448WS SURFACE MOUNT FAST SWITCHING DIODE Features Mechanical Data Fast Switching Speed Case: SOD323 Small Surface Mount Package Case Material: Molded Plastic, Green Molding Compound. 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) Leads: Matte Tin Finish Annealed over Alloy 42 Leadframe Halogen and Antimony Free. Green Device (Note 3) (Lead-Free Plating). Solderable per MIL-STD-202, Method 208 Qualified to AEC-Q101 Standards for High Reliability Polarity: Cathode Band PPAP Capable (Note 4) Weight: 0.004 grams (Approximate) SOD323 Top View Device Schematic Ordering Information (Note 5) Part Number Compliance Case Packaging 1N4448WS-7-F Standard SOD323 3,000/Tape & Reel 1N4448WSQ-7-F Automotive SOD323 3,000/Tape & Reel Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant. 2. See 1N4448WS 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 VRWM DC Blocking Voltage V R RMS Reverse Voltage 53 V 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 I A FSM t = 1.0s 0.5 Thermal Characteristics Characteristic Symbol Value Unit Power Dissipation (Note 7) P 200 mW D Thermal Resistance Junction to Ambient Air (Note 7) R 625 C/W 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 6) 75 V V I = 2.5A (BR)R R I = 5.0mA F 0.62 0.72 I = 10mA 0.855 F Forward Voltage V V FM 1.0 I = 100mA F 1.25 I = 150mA F V = 75V 2.5 A R 50 A = 75V, T = +150C VR J Peak Reverse Current (Note 6) I RM 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 t 4.0 ns RR I = 0.1 x I , R = 100 RR R L Notes: 6. Short duration pulse test used to minimize self-heating. 7. Part mounted on FR-4 PC board with minimum recommended pad layouts, which can be found on our website