TIP Series Transistors - many different types.
2N Series Transistors - Various Types
ZTX Transistors Series Loads of Various Ones (See Variations In Drop Down)
Transistors A to 2S series General Purpose Many Types Available 10 Pack
2SC Series NPN Transistors
(2pcs) TIP102 to TIP 147 Power Transistor TO-220 UK
IRYNA DC Barrel Jack Adapter 10Pcs Universal DC Tip Set, 5.5 X 2.1Mm, Compatible