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).
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
CL10B104KB8NNNC by Samsung Electro-mechanics is a ceramic capacitor with capacitance of 0.1uF and rated DC voltage of 50V. It has a negative tolerance of 10% and temperature coefficient of 15ppm/°C, suitable for surface mount applications in various electronic devices. With dimensions of 1.6mm x 0.8mm x 0.9mm, it operates b/w -55 to 125 °C providing stable performance in compact designs.
The Yageo RC0402FR-071KL is a fixed resistor with a resistance of 1000 ohm and a tolerance of 1%. It is suitable for surface mount applications and has a max operating temperature of 155 °C.