This document provides product data and specifications for the BLF578 power LDMOS transistor for broadcast and industrial applications from 108 MHz to 500 MHz. Key features include a typical pulsed output power of 1200W at 225 MHz with 71% efficiency. It has integrated ESD protection and is compliant with the RoHS directive. The device is sensitive to electrostatic discharge and should be handled with care. It has a ceramic flanged balanced package and ordering information is provided. Limiting values and thermal/electrical characteristics are specified.