LM358N by Texas Instruments is an operational amplifier with 2 functions, offering a max input offset voltage of 9000 uV and a nominal common mode reject ratio of 85 dB. Widely used in commercial applications, it operates at temperatures ranging from 0 to 70 °C and has a unity gain bandwidth of 1000 kHz.
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 250 MHz; Minimum DC Current Gain (hFE): 100; Maximum Turn On Time (ton): 35 ns;
KSZ9031RNXIC by Microchip Technology is a network interface chip with 1 transceiver. It operates at a data rate of 1000 Mbps and has a nominal voltage of 1.2V. This chip is commonly used in industrial applications requiring Ethernet connectivity.