The PAM8403 is an Amplifier Board that can be powered using simple 5V input and could drive two 3W + 3W stereo speakers. It is an excellent choice for, who wants a Class-D stereo audio amplifier in a small board space.
The TIP145, TIP146 and TIP147 are 100V 10A 125W Silicon Epitaxial-Base PNP power transistors in monolithic Darlington configuration, mounted in TO-218 Package.
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.