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).
The TDK C1005X7R1E103K050BB is a ceramic capacitor with capacitance of 0.01uF and rated DC voltage of 25V. It features X7R temperature characteristics, -55 to 125°C operating range, and ±10% tolerance. Ideal for surface mount applications requiring compact size and stable performance in various electronic circuits.
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.