MRF/SRF/M Series

SRF2017 RF Gain Transistor (NOS)

New Old Stock
MFR: RF Gain
SKU: SRF2017

The SRF3775 is a Premium grade MRF455 and has High Gain selection G or Blue beta or higher. You can use the SRF3775 as a direct replacement for any application where the MRF455 was used. 

New Old Stock * No longer available for export
MFR: Motorola
SKU: SRF3775

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

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

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

Power Transistor
New Old Stock * No longer available for export
MFR: Motorola
SKU: SRF2442K

SRF2838 is obsolete and the substitute cross is Toshiba part number 2SC2782.

The SRF3614 was Motorola select version of MRF646. The SRF3614 had to meet specific gain requirement to receive this part number. All SRF part numbers were Motorola special versions of standard MRF numbers.

New Old Stock * No longer available for export
MFR: Motorola
SKU: SRF3614

The SRF3614 was Motorola select version of MRF646. The SRF3614 had to meet specific gain requirement to receive this part number. All SRF part numbers were Motorola special versions of standard MRF numbers.

New Old Stock * No longer available for export
MFR: Motorola
SKU: SRF3614MP