DB3, DB4, SMDB3Package information2Package information In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK® packages, depending on their level of environmental compliance. ECOPACK® specifications, grade definitions and product status are available at: www.st.com. ECOPACK® is an ST trademark. 2.1SOT23 package informationFigure 7. SOT23-3L package outline B L 3 E H 1 2 e S c e1 D 0.25 Gauge plane A Seating plane a L1 A1 L DS2125 - Rev 3page 6/11 Document Outline 1 Characteristics 1.1 Characteristics curves 2 Package information 2.1 SOT23 package information 2.2 DO-35 package information 3 Ordering information Revision history