PART OBSOLETE - USE MMBT3904-7-F MMBT4124 25V NPN SMALL SIGNAL TRANSISTOR IN SOT23 Features Mechanical Data BV > 25V Case: SOT23 CEO I = 200mA High Collector Current Case Material: Molded Plastic, Green Molding Compound C Complementary PNP Type: MMBT4126 UL Flammability Classification Rating 94V-0 Ideal for Medium Power Amplification and Switching Moisture Sensitivity: Level 1 per J-STD-020 Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2) Terminals: Finish Matte Tin Plated Leads. Halogen and Antimony Free. Green Device (Note 3) Solderable per MIL-STD-202, Method 208 Qualified to AEC-Q101 Standards for High Reliability Weight: 0.008 grams (Approximate) C SOT23 B Top View E Top View Pin-Out Device Symbol Ordering Information (Note 4) Product Compliance Marking Reel Size (inches) Tape Width (mm) Quantity per Reel MMBT4124-7-F Standard K1B 7 8 3,000 Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant. 2. See MMBT4124 Absolute Maximum Ratings ( T = +25C, unless otherwise specified.) A Characteristic Symbol Value Unit Collector-Base Voltage 30 V V CBO Collector-Emitter Voltage V 25 V CEO Emitter-Base Voltage V 5 V EBO Collector Current I 200 mA C Thermal Characteristics ( T = +25C, unless otherwise specified.) A Characteristic Symbol Value Unit (Note 5) 310 Power Dissipation mW P D (Note 6) 350 (Note 5) 403 Thermal Resistance, Junction to Ambient C/W R JA (Note 6) 357 Thermal Resistance, Junction to Leads (Note 7) R 350 C/W JL Operating and Storage Temperature Range T T -55 to +150 C J, STG ESD Ratings (Note 8) Characteristic Symbol Value Unit JEDEC Class Electrostatic Discharge - Human Body Model ESD HBM 4,000 V 3A Electrostatic Discharge - Machine Model ESD MM 400 V C Notes: 5. For a device mounted on minimum recommended pad layout 1oz copper that is on a single-sided FR4 PCB device is measured under still air conditions whilst operating in a steady-state. 6. Same as Note 5, except the device is mounted on 15 mm x 15mm 1oz copper. 7. Thermal resistance from junction to solder-point (at the end of the leads). 8. Refer to JEDEC specification JESD22-A114 and JESD22-A115. 2 of 7 June 2021 MMBT4124 Diodes Incorporated www.diodes.com Document number: DS30105 Rev. 14 - 4 OBSOLETE PART DISCONTINUED