The LM2587 is a 3A 30V DC-DC Boost is a fantastic tool for any Electronics toolbox or workbench, and is capable of converting input voltages of between 3.5V and 30V, up to an output voltage of between 4V and 30V.
The MJH6284G, MJH6284, 6284 is a – 100V 20A 4MHz 160W NPN - Darlington Bipolar Transistor Through Hole TO-218 from ON Semiconductor. MJH6284(NPN), MJH6287(PNP) Darlington Complementary Silicon Power Transistors.
The 2SC1383, C1383, 1383 is a 30V 1.5A Silicon NPN epitaxial planar type For low-frequency power amplification and driver amplification Complementary to 2SA0683.
BC327 is a general purpose PNP Transistor, the base of which needs to be connected to the ground, to turn on the transistor. This transistor is available in various versions and is manufactured by many different