Radio & Amplifier Service Parts

This transistor is High Gain Selected MRF421. The SRF3662 was selected for Beta as Blue Dot or above. This transistor was Designed primarily for application as a high–power linear amplifier from 2.0 to 30 MHz.

Specifications:

• Output power = 100+ Watts
• Minimum gain = 10 dB
• Bias Voltage: 12.5 V
• Efficiency = 40%
• IMD = –30 dB (min.)
• Min Frequency: 1 MHz
• Max Frequency: 30 MHz

Tested for load mismatch at all phase angles with 30:1 VSWR

New Old Stock * No longer available for export
MFR: Motorola
SKU: SRF3662

Transistor 12.5 Volts 100 Watts
Matched Pair (2)
New Old Stock * No longer available for export
MFR: Motorola
SKU: SRF3662MP

The SRF3749 is Premium grade MRF454. This transistor has High Gain selection G or Blue beta or higher. You can use the SRF3749 as direct replacement for any application where MRF454 80 Watt transistor was used. 

New Old Stock * No longer available for export
MFR: Motorola
SKU: SRF3749