The 1N4148WS-E3-08 diode is a small signal, switching diode manufactured by Vishay. It is a fast-switching and low-power diode that is capable of switching up to 100V and 350mA. The diode's size is SOD-123FL, making it ideal for limited space applications. Its low voltage and low current operation make it a popular choice for general purpose rectifying and switching applications. It offers high surge and reverse current capabilities, and provides reliable operation in a wide range of temperature settings. The diode is also RoHS compliant.