IRLML6401TRPBF by Infineon is a P-CHANNEL FET for SWITCHING applications. It features a 12V DS Breakdown Voltage, 34A IDM, and 0.05ohm RDS(on). With a small outline package style, it operates in an ambient temperature range of -55 to 150 °C.
ULN2803ADW by Texas Instruments is a peripheral driver with 8 functions, open-collector output characteristics, and built-in transient protections. It operates b/w -40 to 85 °C and has a max supply voltage of 3 V. Ideal for applications requiring buffer or inverter-based peripheral drivers with sink current flow direction.