The NTR4003NT1G is a MOSFET NFET made by ON Semiconductor, with a rating of 30V, 0.56A, and 1.5Km. It is a surface-mount device with a very small form factor, which makes it ideal for space-constrained designs. This part is rated to operate up to 125° C ambient temperature, making it suitable for high temperature applications. It is also available in a low ohmic package, allowing users to reduce power losses. This product is ideal for power switching applications and is suitable for use in a wide array of device designs.