Vishay Intertechnology's SMBJ18CA is a bidirectional TRANS VOLTAGE SUPPRESSOR DIODE with a max clamping voltage of 29.2 V and a breakdown voltage of 21.05 V. It is surface mountable and commonly used in transient suppression applications.
ULN2803ADWRG4 by Texas Instruments is a peripheral driver with 8 functions, open-collector output, and built-in transient protection. It operates b/w -40 to 85 °C with a max supply voltage of 3 V. Ideal for applications requiring sink current flow direction in a small outline package style.
MBRS130LT3G by Onsemi is a Schottky rectifier diode with a max output current of 1A and forward voltage of 0.445V. It operates b/w -65 to 125°C, has a reverse test voltage of 30V, and is ideal for power applications due to its small outline package style.
FTDI's FT232RL-TUBE is a bus controller with 28 terminals, operating at 3.3-5.25V. It supports USB, VBUS, and UART interfaces with a data transfer rate of 60MBps. Ideal for industrial applications requiring RS232/RS422/RS485 compatibility in compact designs due to its small outline package style.