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  1. MRF497 Motorola NPN Silicon RF Power Transistor 40W 50 MHz 12V (NOS) (Sub for MRF477)

    MRF497 Motorola NPN Silicon RF Power Transistor 40W 50 MHz 12V (NOS) (Sub for MRF477)

    $62.91

    Designed for 12.5 volt VHF large-signal power amplifier applications in commercial and industrial equipment operating in the 25-50 MHz frequency range.

    High Gain replacement for MRF477.

    New Old Stock * No longer available for export
    MFR: Motorola 
    SKU: MRF497

  2. MRF476 Motorola NPN Silicon Power Transistor 3.0W 50 MHz 12.5V (NOS)

    MRF476 Motorola NPN Silicon Power Transistor 3.0W 50 MHz 12.5V (NOS)

    $33.91

    Out of stock

    NPN Silicon Power Transistor 3.0W 50 MHz 12.5V
    New Old Stock * No longer available for export
    MFR: Motorola
    SKU: MRF476

  3. MRF492A Motorola NPN Silicon RF Power Transistor Stud Mount 50 MHz 70W 12.5V (NOS)

    MRF492A Motorola NPN Silicon RF Power Transistor Stud Mount 50 MHz 70W 12.5V (NOS)

    $128.91

    Silicon RF Power Transistor Stud Mount 50 MHz 70W 12.5V
    New Old Stock * No longer available for export
    MFR: Motorola
    SKU: MRF492A

  4. MRF475 Motorola NPN Silicon Power Transistor 12W 30 MHz 13.6V Matched Pair (2) (NOS)

    MRF475 Motorola NPN Silicon Power Transistor 12W 30 MHz 13.6V Matched Pair (2) (NOS)

    $39.91

    Designed Primarily for use in single sideband linear amplifier output applications in citizens band and other communications equipment operating to 30 MHz.

    • Specified 13.6 V, 30 MHz characteristics: Output power = 12 W (PEP), Minimum Power gain = 10 dB (PEP AND CW), Minimum Efficiency = 40% (SSB), Miniumum Efficiency= 50% (CW)

    New Old Stock * No longer available for export
    MFR: Motorola
    SKU: MRF475MP

    NOTE: The MRF475 is similar to the 2SC1969 transistor with reduced gain.  They are pin for pin substitutes.  (See MRF475 Data Sheet)

  5. MRF485 Motorola NPN Silicon RF Power Transistor 28V 30 MHz 15W (PEP) Low Beta (NOS)

    MRF485 Motorola NPN Silicon RF Power Transistor 28V 30 MHz 15W (PEP) Low Beta (NOS)

    $54.91

    NPN Silicon RF Power Transistor 28V 30 MHz 15W (PEP) Low Beta

    Preferred part for Kenwood transceivers. Only available in single parts, no matched.

    NOTE: PICTURE FOR REFERENCE ONLY. BETA GROUP WILL VARY. LO BETA IS: RED - B, ORANGE - C, AND YELLOW - D EITHER COLOR DOT OR LETTER CODE.

    New Old Stock * No longer available for export
    MFR: Motorola
    SKU: MRF485-LO

  6. MRF479 Motorola NPN Silicon Power Transistor 15W 30 MHz 12.5V (NOS)

    MRF479 Motorola NPN Silicon Power Transistor 15W 30 MHz 12.5V (NOS)

    $19.91

    Designed Primarily for use in single sideband linear amplifier output applications in citizens band and other communications equipment operating to 50 MHz.

    • Specified 12.5 V, 30 MHz characteristics: Output power = 15 W (PEP AND CW), Minimum Power gain = 12 dB, Minimum Efficiency = 40%
    • Intermodulation Distortion at 15 W (PEP)= -30 dB (Max)

    New Old Stock * No longer available for export
    MFR: Motorola
    SKU: MRF479

  7. MRF485 Motorola NPN Silicon RF Power Transistor 28V 30 MHz 15W (PEP) High Beta (NOS)

    MRF485 Motorola NPN Silicon RF Power Transistor 28V 30 MHz 15W (PEP) High Beta (NOS)

    $54.91

    Designed primarily for use in single sideband linear amplifier output applications and other communications equipment operating to 30 MHz.

    Not for Early Model Kenwood.

    NOTE: The SV-03YS was a Varistor Diode used in late model Kenwood TS-940 radios. Click Here SV-03YS

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

     


  8. MRF485 Motorola NPN Silicon RF Power Transistor 28V 30 MHz 15 W (PEP) High Beta Matched Pair (2) (NOS)

    MRF485 Motorola NPN Silicon RF Power Transistor 28V 30 MHz 15 W (PEP) High Beta Matched Pair (2) (NOS)

    $109.91

    Designed primarily for use in single sideband linear amplifier output applications and other communications equipment operating to 30 MHz.

    Not for Early Model Kenwood

    NOTE: The SV-03YS was Varistor Diode used in late model Kenwood TS-940 radios.  Click Here SV-03YS

    New Old Stock * No longer available for export
    MFR: Motorola
    SKU: MRF485MP-HI

    Note: limited to One Pair - Per Customer Per Order

    Made in the USA
  9. MRF450A Motorola NPN Silicon Power Transistor Stud-Mount 50W 30 MHz 12.5V (NOS)

    MRF450A Motorola NPN Silicon Power Transistor Stud-Mount 50W 30 MHz 12.5V (NOS)

    $69.91

    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% 

    New Old Stock * No longer available for export
    MFR: Motorola
    SKU: MRF450A

     
  10. MRF401 Motorola NPN Silicon RF Power Transistor 25W (PEP) 30 MHz 28V (NOS)

    MRF401 Motorola NPN Silicon RF Power Transistor 25W (PEP) 30 MHz 28V (NOS)

    $15.91

    NPN Silicon RF Power Transistor 25W (PEP) 30 MHz 28V
    New Old Stock * No longer available for export
    MFR: Motorola
    SKU: MRF401

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