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 SMD Tri-Color (RGB) LED Module Full Color LED Module Tri-color LED for Arduino. Can be directly plugged into the Arduino motherboard, no DuPont line connection required.
The 2SK2837, 2SK-2837, K2837, 2837 is a 500V 20A N Channel Silicon Field Effect Transistor Or MOFET TO-3PN-3 Package. Chopper Regulator, DC−DC Converter and Motor Drive.
The CENTRAL SEMICONDUCTOR 2N2906, 2N2907 series types are silicon 60V 600mA 400mW PNP epitaxial planar transistors designed for small signal, general purpose switching applications.