The FF45MR12W1M1B11BOMA1 is a power MOSFET transistor manufactured by Infineon. It is a part of the PowerMESH™ family of transistors, which offers a combination of low on-resistance, fast switching speed, and high breakdown voltage. The FF45MR12W1M1B11BOMA1 has a maximum drain-source voltage of 450 V and a maximum current of 12 A. It is ideal for use in switched mode power supplies, AC/DC converters, and motor control applications. This transistor is also RoHS compliant.