C0603X104K5RACAUTO by KEMET Corp is a ceramic capacitor with capacitance of 0.1 uF and rated DC voltage of 50 V. It has a temperature coefficient of 15% and can operate b/w -55 to 125 °C. This SMT package is commonly used in automotive applications due to its AEC-Q200 reference standard.
LAN8720A-CP-TR by Microchip: Ethernet transceiver with 100 Mbps data rate, operates at 3.3V, and consumes 54mA max supply current. Ideal for network interfaces in commercial applications due to its small size (4x4mm) and low power consumption.
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.