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MRF/SRF/M Series

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

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

    $35.91

    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
  2. SRF3800 Motorola Transistor 12 volt (Selected MRF492) (Pull)

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

    $73.91

    Transistor 12 volt (Selected MRF492)
    Scoped and tested to meet specifications

    New Old Stock * No longer available for export
    MFR: Motorola
    SKU: SRF3800-P

  3. MRF648 / M1160 Motorola NPN Silicon RF Power Transistor 12.5V 470 MHz 60W (Pull)

    MRF648 / M1160 Motorola NPN Silicon RF Power Transistor 12.5V 470 MHz 60W (Pull)

    $36.91

    Designed for 12.5 Volt UHF large–signal amplifier applications in industrial and commercial FM equipment operating to 512 MHz.

    • Specified 12.5 Volt, 470 MHz Characteristics — Output Power = 60 Watts, Minimum Gain = 4.4 dB, Efficiency = 55%
    • Characterized with Series Equivalent Large–Signal Impedance Parameters
    • Built–In Matching Network for Broadband Operation
    • Scoped and tested to meet specifications

    Used * No longer available for export
    MFR: Motorola
    SKU: MRF648-P

     

  4. MRF450 Motorola NPN Silicon Power Transistor 50W 30 MHz 12.5V (Pull)

    MRF450 Motorola NPN Silicon Power Transistor 50W 30 MHz 12.5V (Pull)

    $29.91

    Designed for power amplifier applications in industrial, commercial, and amateur radio equipment to 30 MHz.

    • Specified 12.5 V, 30 MHz characteristics: Output power = 50 W, Minimum gain = 11 dB, Efficiency = 50% 

    Used * No longer available for export
    MFR: Motorola
    SKU: MRF450-P

  5. MRF458 Motorola NPN Silicon Power Transistor 80W 12.5V 30 MHz (Pull)

    MRF458 Motorola NPN Silicon Power Transistor 80W 12.5V 30 MHz (Pull)

    $53.91

    Low Beta Version of MRF454
    Pulled from working equipment. Scoped and tested to meet specifications

    Used * No longer available for export
    MFR: Motorola 
    SKU: MRF458-P

  6. MRF422 Motorola NPN Silicon Power Transistor 150W (PEP) 30 MHz 28V (NOS)

    MRF422 Motorola NPN Silicon Power Transistor 150W (PEP) 30 MHz 28V (NOS)

    $79.91

    Designed primarily for applications as a high–power linear amplifier from 2.0 to 30 MHz.

    • Specified 28 V, 30 MHz characteristics — Output power = 150 W (PEP), Minimum gain = 10 dB, Efficiency = 40%
    • Intermodulation distortion @ 150 W (PEP) —IMD = –30 dB (min.)
    • 100% tested for load mismatch at all phase angles with 30:1 VSWR
    • Pulled from working equipment, scoped and tested.

    Used * No longer available for export
    MFR: Motorola
    SKU: MRF422-MOT-P

  7. MRF492 Motorola NPN Silicon RF Power Transistor 50 MHz 70W 12.5V Mixed lots (Pull)

    MRF492 Motorola NPN Silicon RF Power Transistor 50 MHz 70W 12.5V Mixed lots (Pull)

    $39.91

     Designed for 12.5 volt low band VHF large-signal power amplifier applications in commercial and industrial FM equipment.

    • Specified 12.5 V, 50 MHz Characteristics: Output Power= 70 W, Minimum gain= 11 dB, Efficiency= 50%
    • limited Stock on hand, misc. mixed lot / DC and beta code

    Used * No longer available for export
    MFR: Motorola
    SKU: MRF492-P

  8. MRF454 Motorola NPN Silicon Power Transistor 80W 30MHz 12.5V (Pull)

    MRF454 Motorola NPN Silicon Power Transistor 80W 30MHz 12.5V (Pull)

    $86.91

    Designed for power amplifier applications in industrial, commercial and amateur radio equipment to 30 MHz.

    •  Specified 12.5 Volt, 30 MHz characteristics
    •  Output power = 80 Watt
    •  Minimum gain = 12 dB
    •  Efficiency = 50%

    Used * No longer available for export
    MFR: Motorola
    SKU: MRF454-MOT-P

  9. MRF455 Motorola NPN Silicon Power Transistor 60W 30 MHz 12.5V (Pull)

    MRF455 Motorola NPN Silicon Power Transistor 60W 30 MHz 12.5V (Pull)

    $41.91

    NPN Silicon Power Transistor 60W 30 MHz 12.5V
    Used * No longer available for export
    MFR: Motorola
    SKU: MRF455-MOT-P

  10. MRF421 Motorola MRF421 NPN Silicon Power Transistor 100W (PEP) 30 MHz 12V (Pull)

    MRF421 Motorola MRF421 NPN Silicon Power Transistor 100W (PEP) 30 MHz 12V (Pull)

    $82.91

    Designed primarily for application as a high–power linear amplifier from 2.0 to 30 MHz.

    • Specified 12.5 V, 30 MHz characteristics — Output power = 100 W (PEP), Minimum gain = 10 dB, Efficiency = 40%
    • Intermodulation distortion @ 100 W (PEP) — IMD = –30 dB (min.)
    • 100% tested for load mismatch at all phase angles with 30:1 VSWR

    Used * No longer available for export
    MFR: Motorola
    SKU: MRF421-MOT-P

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