MRF/SRF/M Series

Transistor 12V Matched Pair (2) premium grade replacement for MRF454 80 Watt Transistor
The Motorola SRF3795 has High Gain selection G, Blue beta or higher, and it is a premium grade replacement for the MRF454.
New Old Stock * No longer available for export
MFR: Motorola
MFR: SRF3795MP

The SRF3749 12 Vold Motorola Transistor is a premium grade replacement for the MRF454, 80 Watt transistor. 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 was used. 

Matched Pair (2)
New Old Stock * No longer available for export
MFR: Motorola
SKU: SRF3749MP

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

SRF2838 is obsolete and the substitute cross is Toshiba part number 2SC2782.

SRF3653MQ Transistor, 28 volt, mquad

SRF3653MP Transistor, 28 volt, mpair

SRF3653 Transistor, 28 volt

Originally used in Palomar Electronics Amplifiers, the SRF2072 is rated at 70 Watts and is a High Gain replacement for the MRF455.  

New Old Stock * No longer available for export
MFR:  Motorola
SKU: SRF2072