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SRF

SRF7043, SRF2604-1, SRF3417, SRF3417MP, SRF2504, SRFH1900 Transistor, SRF3837P Transistor, SRF3772, SRF2838 (SEE 2SC2782), SRF2663, SRF3977 Transistors, (mrf 137) , SRF3775MP Transistor, 12 volt, mpair, SRF3775MQ Transistor, 12 volt, mquad, SRF3627 Transistor, 12 volt, SRF3653 Transistor, 28 volt, SRF3839 Transistor, 12 volt, SRF2483 Transistor, 12 volt, SRF2648 Transistor, 12 volt, SRF2281 Transistor, motorola

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  1. SRF3775 Motorola Transistor 75w 12.5v 14-30 MHz 0.380 Flange (MRF455) (NOS)

    SRF3775 Motorola Transistor 75w 12.5v 14-30 MHz 0.380 Flange (MRF455) (NOS)

    $57.91

    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

  2. SRF3749 Motorola Transistor 12V Premium grade replacement for MRF454 Matched Pair (2) (NOS)

    SRF3749 Motorola Transistor 12V Premium grade replacement for MRF454 Matched Pair (2) (NOS)

    $210.91

    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


  3. SRF2072 Motorola Transistor 70w 12.5V 14-30 MHz 0.380" Flange Mount (MRF455) (NOS)

    SRF2072 Motorola Transistor 70w 12.5V 14-30 MHz 0.380" Flange Mount (MRF455) (NOS)

    $47.91

    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

    Made in the USA
  4. SRF2072 Motorola Transistor 70W 12.5V 14-30 MHz 0.380 Flange Mount (MRF455) Matched Pair (2) (NOS)

    SRF2072 Motorola Transistor 70W 12.5V 14-30 MHz 0.380 Flange Mount (MRF455) Matched Pair (2) (NOS)

    $95.91

    Out of stock

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

    New Old Stock * No longer available for export
    MFR: Motorola
    SKU: SRF2072MP

  5. SRF2442K Motorola Power Transistor (NOS)

    SRF2442K Motorola Power Transistor (NOS)

    $31.91

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

  6. SRF3614 Motorola Transistor 12 Volt 45 Watt (Selected Gain MRF646) (NOS)

    SRF3614 Motorola Transistor 12 Volt 45 Watt (Selected Gain MRF646) (NOS)

    $38.91

    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

  7. SRF3614 Motorola Transistor 12 volt 45 Watt (Selected Gain MRF646) Matched Pair (2) (NOS)

    SRF3614 Motorola Transistor 12 volt 45 Watt (Selected Gain MRF646) Matched Pair (2) (NOS)

    $77.91

    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

  8. SRF3662 Motorola Transistor 12.5V 100W (NOS)

    SRF3662 Motorola Transistor 12.5V 100W (NOS)

    $139.91

    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

  9. SRF3662 Motorola Transistor 12.5V 100W Matched Pair (2) (NOS)

    SRF3662 Motorola Transistor 12.5V 100W Matched Pair (2) (NOS)

    $279.91

    Out of stock

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

  10. SRF3749 Motorola Transistor 12V Premium Grade Replacement for MRF454 (NOS)

    SRF3749 Motorola Transistor 12V Premium Grade Replacement for MRF454 (NOS)

    $105.91

    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

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