LM358MX by Texas Instruments is a dual operational amplifier with a max input offset voltage of 9000 uV. It has a nominal voltage of 5V and a min voltage gain of 15000. This op amp is commonly used in applications requiring amplification and signal conditioning.
NXP Semiconductors' BSS138BK,215 is a N-CHANNEL FET with 0.36A max drain current and 0.42W power dissipation. Ideal for applications requiring single configuration and surface mount technology, such as enhancement mode operation in temperatures up to 150°C.