Product Summary

The MRF477 is a 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 test circuit

MRF403
MRF403

SW ROTARY 4P 2-3POS PC
Data Sheet
0-1: $6.60
1-10: $6.00
10-25: $5.85
25-50: $5.40
50-100: $5.10
100-250: $4.65
250-500: $4.35
500-1000: $3.99
1000-5000: $3.90
MRF403-RO
MRF403-RO
NKK Switches
Rotary Switches LO PROF SHFT 2-3 POS
Data Sheet
0-1: $6.86
1-25: $5.97
25-50: $5.86
50-100: $5.50
MRF406
MRF406
Other

Data Sheet
Negotiable 
MRF412
MRF412
Other

Data Sheet
Negotiable 
MRF421
MRF421
Other

Data Sheet
Negotiable 
MRF422
MRF422
M/A-COM Technology Solutions
Transistors RF Bipolar Power 2-30MHz 150Watts 28Volt Gain 10dB
Data Sheet
0-1: $46.18
1-10: $44.64
10-25: $43.10
25-50: $41.56