The WST6401 MOSFET with SOT-23N is manufactured by Winsok, and is a RoHS compliant part. It is a Surface-Mounted Device (SMD), making it suitable for use in a wide variety of applications such as high-frequency, low-impedance switching circuitry. It's a high-speed, low-power enhancement-mode MOSFET, and features a low operating current and low on-resistance. It is available in a SOT-23N package as well as a variety of other package options. The WST6401 is designed for fast switching speeds and provides low Ron values with excellent noise immunity. With its low power consumption and temperature-resistant construction, the WST6401 is well-suited for applications in remote control, security systems, LED lighting, and other portable electronics.