L78L05ABZ-AP by STMicroelectronics is a BIPOLAR fixed positive single output standard regulator with an operating temperature range of -40 to 125°C. It has a nominal output voltage of 5V, max load regulation of 0.06%, and can handle a max output current of 0.07A. Ideal for applications requiring stable voltage regulation in various electronic devices.
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).