The Fairchild/ON Semiconductor FQI3N30 is a power MOSFET transistor designed for applications that require high speed switching, low on-resistance, and high power dissipation. With a maximum power dissipation of 30W and a maximum current of 3A, this transistor is ideal for use in power supplies, motor control, and lighting applications. The FQI3N30 is RoHS compliant and has a popularity rating of medium. Its supply and demand status is limited, so it may be difficult to find in the market.