The MRF454 is a bipolar RF transistor designed for high-power applications. It is an NPN transistor with a maximum power rating of 80W and a maximum collector-emitter breakdown voltage of 18V. With a maximum collector current of 20A and a gain of 12dB, this transistor provides high power amplification in RF circuits. The MRF454 is suitable for chassis mount applications and comes in a 211-11, Style 2 package. Manufactured by M/A-Com Technology Solutions, this transistor is part of the MRF454 series and is available in tray packaging. It is an active product in the market. With its high power handling capability and reliable performance, the MRF454 is widely used in RF amplifier circuits and other high-power applications.