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.
The BF423, BF-423, 423 is a High Voltage PNP Bipolar Transistor is designed for general purpose amplifier applications. This device is housed in the TO-92 package.
The TPC8214H, TPC8214, TPC-8214, 8214 is a N-Channel MOSFET TOSHIBA Field Effect Transistor Silicon N-Channel MOS Type (Ultra-High-Speed U-MOS)-SOP-8P.