KSZ9031RNXIA by Microchip is a 48-terminal Ethernet transceiver with data rate of 1000 Mbps. Operating temperature range from -40 to 85°C makes it suitable for industrial applications. This square-shaped chip carrier has a very thin profile and matte tin finish, ideal for network interfaces.
KEMET C1206C104M5RACTU is a ceramic capacitor with 0.1uF capacitance and 50V rated DC voltage. It has X7R temperature characteristics, -55 to 125°C operating range, and ±20% tolerance. Ideal for surface mount applications in electronics requiring stable capacitance across temperatures.
LM7805CT/NOPB by Texas Instruments is a fixed positive single output standard regulator with an output voltage of 5V and max current of 1.5A. It operates b/w 0-125°C, has a package style of flange mount, and offers low line/load regulation making it ideal for various electronic applications requiring stable power supply.