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).
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .2 W; Terminal Finish: Matte Tin (Sn) - annealed; Transistor Element Material: SILICON;
DS18B20Z+ by Analog Devices is a 12-bit temperature sensor with 1-Wire interface. It operates b/w -55 to 125°C, with ±0.5°C accuracy. Suitable for applications requiring digital output and surface mounting feature.
FDC5614P by Onsemi is a P-CHANNEL Power FET with 60V DS Breakdown Voltage, ideal for SWITCHING applications. It features 20A Max IDM and 0.105 ohm RDS(ON), operating in ENHANCEMENT MODE at -55 to 150 °C. This SMALL OUTLINE transistor has a built-in diode, GULL WING terminals, and METAL-OXIDE SEMICONDUCTOR technology.