The TIP125, TIP126, TIP127 is a 100V 5A 65W (PNP) Plastic Medium-Power Complementary Silicon Transistors. The devices are manufactured in planar technology with “base island” layout and monolithic Darlington configuration.
The IRF3710 MOSFET is a Field Effect Transistor has a drain voltage of 100V, gate voltage of 20V and drain current of 57A. A MOSFET is an abbreviation for Metal Oxide Semiconductor Field Effect Transistor TO-220 Package.