KST42 NPN Transistor
The BAV99 is a Dual in Series SMD Diode package, meaning there will be two diodes connected in series inside a SMD
The NTE960 is a 5V Voltage regulator IC with a maximum output current of upto 1A.
The NTE987 is a Low power Quad Op-Amp that can operate even in low voltages like 3V.
The 2N3771 is a high current switching transistor that has a collector current of 30A.