LM317AEMP/NOPB by Texas Instruments is an adjustable positive single output standard regulator with a max output voltage of 37V and a max output current of 1.5A. It operates in temperatures ranging from -40°C to 125°C, making it suitable for various applications requiring precise voltage regulation in a compact package.
BSS138LT1G by Onsemi is a N-CHANNEL FET with 50V DS Breakdown Voltage, 0.2A Drain Current, and 3.5 ohm On Resistance. Ideal for SWITCHING applications due to its ENHANCEMENT MODE operation and built-in DIODE. Operates b/w -55 to 150 °C with small outline package style for surface mount assembly.