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  1. MC7918CK Motorola Voltage Regulator 18V Negative Output Transistor (NOS)

    MC7918CK Motorola Voltage Regulator 18V Negative Output Transistor (NOS)

    $13.91

    TO-3 Case 
    Power Supply
    Vin Min/Max:  21/35
    New Old Stock * No longer available for export
    MFR: Motorola
    SKU: MC7918CK

  2. MN61 Motorola Transistor 48-134438 (NOS)

    MN61 Motorola Transistor 48-134438 (NOS)

    $6.95

    Transistor PNP-Ge Power Supply 40 Watts 48-134438 (M4438)
    New Old Stock * No longer available for export
    MFR: Motorola
    SKU: MN61

  3. M1107 Motorola Transistor

    M1107 Motorola Transistor

    $44.90

    No longer available for export
    MFR: Motorola
    SKU: M1107

  4. M2529 Motorola Transistor M25C29

    M2529 Motorola Transistor M25C29

    $34.95

    No longer available for export
    MFR: Motorola
    SKU: M2529


  5. 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
  6. SRF3662 Motorola Transistor 12.5V 100W Matched Pair (2) (NOS)

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

    $279.91

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

  7. 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

  8. SRF3795 Motorola Transistor 12V Premium Grade Replacement for MRF454 80W Transistor (NOS)

    SRF3795 Motorola Transistor 12V Premium Grade Replacement for MRF454 80W Transistor (NOS)

    $61.91

    Transistor 12 Volt Premium Grade Replacement for MRF454 80 Watt (NOS)
    New Old Stock * No longer available for export
    MFR: Motorola
    SKU: SRF3795

  9. SRF3795 Motorola Transistor 12V Premium Grade Replacement for the MRF454 Matched Quad (4) (NOS)

    SRF3795 Motorola Transistor 12V Premium Grade Replacement for the MRF454 Matched Quad (4) (NOS)

    $247.91

    Out of stock

    Transistor 12 Volt is the Premium Grade Replacement for the MRF454 80 Watt   
    Matched Quad (4) 
    New Old Stock * No longer available for export
    MFR: Motorola
    SKU: SRF3795MQ

  10. SRF3800 Motorola Transistor 12 volt (Selected MRF492) (NOS)

    SRF3800 Motorola Transistor 12 volt (Selected MRF492) (NOS)

    $97.91

    Transistor 12 volt (Selected MRF492)
    New Old Stock * No longer available for export
    MFR: Motorola
    SKU: SRF3800

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