The CD4021BM series types are supplied in 16-lead hermetic dual-in-line ceramic packages (D and F suffixes), 16-lead dual-in-line plastic packages (E suffix), and in chip form (H suffix).
The BUX98A is a multi-epitaxial mesa NPN transistor in TO-3 metal case, intended for industrial applications from single and three phase mains operation.
The Type-C USB Charging Discharging Boost Module is a DC-5V 2A, This is a high precision DC5V 2A Charge Discharge Integrated Module Type-C Input compatible with 4.2v/4.35v Lithium Batteries.
The IRFB4110PBF is a 100V single N-channel HEXFET® Power MOSFET with extremely low on-resistance per silicon area and fast switching performance using Trench MOSFET technology.
The LM2596 is a DC-DC Step Down or Buck Power Supply Module with Digital Voltage Display, the accuracy is adjustable function, can be aimed at your multimeter adjustable accurate. Press the right key to let the display show the input or output voltage.