MC33269T-3.3G by Onsemi is a fixed positive single output LDO regulator with a max output current of 0.8 A and a dropout voltage of 1.35 V. It is commonly used in applications that require stable voltage regulation, such as power supplies for electronic devices.
Diodes Inc. MMBT3904-7-F is a NPN BJT transistor for switching applications. Features include VCEsat of 0.3V, hFE of 30, and IC of 0.2A. With a max operating temp of 150°C, it's ideal for small outline SMT designs in automotive electronics.
Texas Instruments DP83848IVVX/NOPB is a 3.3V Ethernet transceiver with 100000 Mbps data rate, suitable for industrial applications. It features CMOS technology, operates b/w -40 to 85 °C, and comes in a low profile flatpack package with matte tin finish.