SDM03U40Q SURFACE MOUNT SCHOTTKY BARRIER DIODE Product Summary ( T = +25C) Features and Benefits A Low Forward Voltage Drop V (V) I (mA) V (V) I (A) RM O F(MAX) R(MAX) Guard Ring Die Construction for Transient Protection 40 30 0.37 0.5 Ideal for low logic level Applications Low Capacitance Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2) Halogen and Antimony Free. Green Device (Note 3) Qualified to AEC-Q101 Standards for High Reliability PPAP Capable (Note 4) Applications Mechanical Data SMPS Case: SOD523 DC-DC Converter Case Material: Molded Plastic,Gree Molding Compound, UL Freewheeling Diodes Flammability Classification Rating 94V-0 Reverse Polarity Protection Moisture Sensitivity: Level 1 per J-STD-020 Blocking Diodes Terminal Connections: Cathode Band Terminals: Finish - Matte Tin Annealed over Alloy 42 Leadframe. e3 Solderable per MIL-STD-202, Method 208 Weight: 0.002 grams (Approximate) SOD523 Top View Ordering Information (Note 5) Case Packaging Part Number Compliance SOD523 3000/Tape & Reel SDM03U40Q-7 Automotive Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant. 2. See SDM03U40Q Maximum Ratings ( T = +25C, unless otherwise specified.) A Characteristic Symbol Value Unit Peak Reverse Voltage 40 V V RM DC Reverse Voltage 30 V V R RMS Reverse Voltage 21 V VR(RMS) Average Rectified Current I 30 mA O Non-Repetitive Peak Forward Surge Current 8.3ms I 200 mA FSM Single Half Sine-Wave Superimposed on Rated Load Thermal Characteristics Characteristic Symbol Value Unit Thermal Resistance, Junction to Ambient (Note 6) 450 C/W R JA 300 Thermal Resistance, Junction to Ambient (Note 7) Operating and Storage Temperature Range -40 to +125 T T C J, STG Electrical Characteristics ( T = +25C, unless otherwise specified.) A Characteristic Symbol Min Typ Max Unit Test Conditions Reverse Breakdown Voltage (Note 8) 40 V V I 10A (BR)R R = Forward Voltage 290 370 mV V I = 1mA F F Peak Reverse Current (Note 8) I 0.5 A V = 30V R R Total Capacitance C 2 pF V = 1V, f = 1.0MHz T R Notes: 6. Part mounted on FR-4 board with recommended pad layout, which can be found on our website at