Product Summary

The MRF497 is NPN silicon RF power transistor which is designed for 12.5 Volt VHF large-signal power amplifier applications in commerical and industrial equipment, operating in the 25 to 50MHz frequency range.

Parametrics

MRF497 absolute maximum ratings: (1)Collector-emitter voltage: 18V; (2)Collector-Base voltage: 36V; (3)Emitter-Base voltage: 4.0V; (4)Collector-current: continuous 6.0A; (5)Total device dissipation: TC=25℃, 87.5W; Derate above 25℃, 0.5W/℃; (6)Storage temperature: -65 to +150℃.

Features

MRF497 features: (1)Low-cost, common-emitter TO-220AB package; (2)Specified 12.5V, 50 MHz performance: output power=40W, power gain=10dB min, efficiency=60%min; (3)Load mismatch capability at rated voltage and RF drive.

Diagrams

MRF497 test circuit

Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
MRF497
MRF497
Other

Data Sheet
Negotiable 
Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
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
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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