BSS138DW-7-F by Diodes Incorporated is a N-channel small signal FET with a min DS breakdown voltage of 50V. It is used for switching applications and operates in enhancement mode. This surface mount transistor has a max drain current of 0.2A and a max power dissipation of 0.2W.
DS18B20+ by Analog Devices is a 12-bit temperature sensor with 3.3/5V supply, -55 to 125°C range, and ±0.50°C accuracy. It features a 1-Wire interface for digital output and is commonly used in applications requiring precise temperature monitoring in various industries.