DS18B20Z by Maxim Integrated is a 12-bit digital temperature sensor with 1-Wire interface. It operates b/w -55 to 125°C, with ±0.5°C accuracy. Suitable for applications requiring precise temperature monitoring in compact spaces.
1N4148WSF-7 by Diodes Inc. is a single silicon rectifier diode with max output current of 0.25A and max reverse voltage of 100V. It operates b/w -55 to 150°C, has a small outline package style, and is suitable for surface mount applications in various electronic circuits.
2N2222A by Texas Instruments is a small signal NPN bipolar junction transistor (BJT) with a max collector-emitter voltage of 40V and a max collector current of 0.8A. It is commonly used for switching applications due to its fast turn on/off times (35ns/285ns) and high transition frequency (300MHz).