Product Summary

The MRF477 is an NPN silicon RF power transistor. It is designed primarily for application as a high-power linear amplifier from 1.5 to 30MHz, in single sideband mobile, marine and base station equipment.

Parametrics

MRF477 absolute maximum ratings: (1)collector-emitter voltage, VCEO: 18Vdc; (2)collector base voltage, VCBO: 36Vdc; (3)emitter-base voltage, VEBO: 4.0Vdc; (4)collector current-continous, IC: 5.0Adc; (5)withstand current: 8.0Adc; (6)total device dissipation, PD: 87.5W; (7)storage temperature range, Tstg: -65 to 150℃.

Features

MRF477 features: (1)low-cost, common-emitter TO-220AB package; (2)specified 12.5Volt, 30MHz performance; (3)intermodulation distortion; (4)30:1 VSWR load mismatch capbility at rated output power and supply voltage.

Diagrams

MRF477 block diagram