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.
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .2 W; Peak Reflow Temperature (C): NOT SPECIFIED; Terminal Position: DUAL;
BSS123LT1G by Onsemi is a N-CHANNEL FET with 100V DS breakdown voltage, 0.17A drain current, and 6 ohm on resistance. Ideal for switching applications, it operates in enhancement mode with a max power dissipation of 0.225W. It comes in a small outline package with gull wing terminals and can withstand temperatures from -55 to 150°C.