The WST3420 is a Surface Mount MOSFET Transistor that is manufactured by Winsok. It comes in an SOT-23N package, which is encapsulated in a RoHS compliant plastic material, providing superior protection for the device. The WST3420 is a low capacitance, low on-resistance N-Channel MOSFET, which is designed for high-speed switching in a wide variety of applications including logic level power supplies, cellular phones, power management systems, high frequency and high speed transistors, and rapid switching applications. The device is great for consumer and industrial applications, and can be used in a wide range of operating voltages. It features a high on-resistance ratio, making it suitable for high frequency operation and low power consumption, as well as enhanced EMI shielding capabilities, which helps to reduce electromagnetic interference. The WST3420 is provided in Surface Mount packages for easy installation and is RoHS Compliant and Halogen free.