The 2SK2996 (Q), 2SK-2996, K2996, 2996 Is a Transistor MOSFET N-Channel Silicon 600V 10A 3-Pins (3+tab) TO-220F In The Fet Transistors, MOSFETs Category. Check Part Details, Parametric And Specifications
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 FT232B is the 2nd generation of FTDIs popular USB UART device and the FT232BL is a lead free version of the FT232BM. The FT232BQ provides the same functionality as the FT232BL in a QFN-32 lead free package.