MMBD4448H SURFACE MOUNT SWITCHING DIODE Features Mechanical Data Fast Switching Speed Case: SOT23 Surface Mount Package Ideally Suited for Automated Insertion Case Material: Molded Plastic. UL Flammability Classification Rating 94V-0 For General Purpose Switching Applications Moisture Sensitivity: Level 1 per J-STD-020 High Conductance Terminals: Matte Tin Finish annealed over Alloy 42 leadframe Lead Free/RoHS Compliant (Note 1) (Lead Free Plating). Solderable per MIL-STD-202, Method 208 Polarity: See Diagram Weight: 0.008 grams (approximate) SOT23 Top View Top View Internal Schematic Ordering Information (Note 2) Part Number Case Packaging MMBD4448H-7-F SOT23 3000/Tape & Reel Notes: 1. No purposefully added lead. 2. For packaging details, go to our website at MMBD4448H 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 V 80 V RWM DC Blocking Voltage V R RMS Reverse Voltage 57 V V R(RMS) Forward Continuous Current (Note 3) I 500 mA FM Average Rectified Output Current (Note 3) I 250 mA O Non-Repetitive Peak Forward Surge Current t = 1.0s 4.0 A I FSM t = 1.0s 1.0 Thermal Characteristics Characteristic Symbol Value Unit Power Dissipation (Note 3) P 350 mW D Thermal Resistance Junction to Ambient Air (Note 3) 357 R 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 4) 80 V V I = 2.5A (BR)R R 0.62 I = 5.0mA 0.72 F 0.855 I = 10mA F Forward Voltage V V F 1.0 I = 100mA F 1.25 I = 150mA F V = 70V 100 nA R 50 A V = 75V, T = 150C R J Reverse Current (Note 4) I R 30 A V = 25V, T = 150C R J 25 nA V = 20V R Total Capacitance C 3.5 pF V = 6V, f = 1.0MHz T R Reverse Recovery Time t 4.0 ns V = 6V, I = 5mA rr R F Notes: 3. Part mounted on FR-4 board with recommended pad layout, which can be found on our website at