MMBT4403 40V PNP SURFACE MOUNT SMALL SIGNAL TRANSISTOR IN SOT23 Features Mechanical Data Epitaxial Planar Die Construction Case: SOT23 Complementary NPN Type Available (MMBT4401) UL Flammability Rating 94V-0 Ideal for Medium Power Amplification and Switching Case Material: Molded Plastic Green Compound Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2) Moisture Sensitivity: Level 1 per J-STD-020 Halogen and Antimony Free. Green Device (Note 3) Terminals: Matte Tin Finish For automotive applications requiring specific change Weight: 0.008 grams (Approximate) control (i.e. parts qualified to AEC-Q100/101/200, PPAP capable, and manufactured in IATF 16949 certified facilities), please contact us or your local Diodes representative. MMBT4403 Maximum Ratings ( T = +25C, unless otherwise specified.) A Characteristic Symbol Value Unit Collector-Base Voltage -40 V VCBO Collector-Emitter Voltage VCEO -40 V Emitter-Base Voltage V -6 V EBO Collector Current - Continuous (Note 7) I -600 mA C Thermal Characteristics ( T = +25C, unless otherwise specified.) A Characteristic Symbol Value Unit (Note 5) 310 Collector Power Dissipation P mW D (Note 6) 350 (Note 5) 403 Thermal Resistance, Junction to Ambient R C/W JA (Note 6) 357 Thermal Resistance, Junction to Leads (Note 7) 350 RJL C/W Operating and Storage Temperature Range -55 to +150 TJ,TSTG C Notes: 5. For the device mounted on minimum recommended pad layout FR4 PCB with high coverage of single sided 1oz copper, in still air conditions. 6. For the device mounted on 15mm x 15mm x 1.6mm FR4 PCB with high coverage of single sided 1oz copper, in still air conditions. 7. Thermal resistance from junction to solder-point (at the end of the collector lead). Thermal Characteristics and Derating Information 0.4 400 350 0.3 300 250 D=0.5 0.2 200 150 D=0.1 Single Pulse D=0.2 0.1 100 50 D=0.05 0.0 0 0 25 50 75 100 125 150 100 1m 10m 100m 1 10 100 1k 100 Pulse Width (s) Temperature (C) Temperature () Transient Thermal Impedance Derating Curve 10 Single Pulse. T =25C Single Pulse T am=2b 5 amb 1 0.1 10m 100m 1 10 100 1k Pulse Width (s) Pulse Power Dissipation 2 of 6 June 2021 MMBT4403 Diodes Incorporated www.diodes.com Document Number: DS30058 Rev. 12 - 2 Max Power Dissipation (W) Max Power Dissipation (W) Thermal Resistance ( /W) Thermal Resistance (C/W)