1-800-RFPARTS (1-800-737-2787) 1-760-744-0700 (USA) ORDERS: rfp@rfparts.com 435 S PACIFIC ST SAN MARCOS, CA 92078

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MRF400 Series

MRF4427-APT, MRF486MP, MRF450MQ, MRF454AMQ, SRF3775 /MRF455 Transistor, 12 v, motorola, MRF429MQ Transistor, 50 volt, mquad, MRF448MQ Transistor, 50 volt, mquad, MRF492MQ Transistor, 12 volt, mquad, MRF486 Transistor, 12 volt, MRF454A Transistor, 12 volt, SRF7000-90 Transistor, 12 volt (MRF455), MRF448MP-MOT Transistor, 50 volt, mpair, MRF433 Transistor, , MRF479MP Transistor, 12 volt, mpair, MRF453AMP Transistor, 12 volt, mpair

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  1. 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

  2. SRF3775 Motorola Transistor 75W 12.5V 14-30 MHz 0.380 Flange Matched Pair (2) (MRF455) (NOS)

    SRF3775 Motorola Transistor 75W 12.5V 14-30 MHz 0.380 Flange Matched Pair (2) (MRF455) (NOS)

    $115.91

    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: SRF3775MP

  3. SRF3775 Motorola Transistor 75W 12.5V 14-30 MHz 0.380 Flange Matched Quad (4) (MRF455) (NOS)

    SRF3775 Motorola Transistor 75W 12.5V 14-30 MHz 0.380 Flange Matched Quad (4) (MRF455) (NOS)

    $231.91

    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: SRF3775MQ

  4. SRF7000-90 Motorola Transistor 70W 12.5V 14-30 MHz 0.380" Flange (MRF455) Matched Pair (2) (NOS)

    SRF7000-90 Motorola Transistor 70W 12.5V 14-30 MHz 0.380" Flange (MRF455) Matched Pair (2) (NOS)

    $159.91

    Transistor 70w 12.5v 14-30 MHz 0.380" Flange High Gain Replacement for MRF45 (NOS)
    Mached Quad (4)
    New Old Stock * No longer available for export
    MFR: Motorola, USA
    SKU: SRF7000-90MP

  5. MRF476 Motorola NPN Silicon Power Transistor 3.0W 50 MHz 12.5V (Pull)

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

    $25.91

    NPN Silicon Power Transistor 3.0W 50 MHz 12.5V
    Used * No longer available for export
    MFR: Motorola
    SKU: MRF476-P

  6. MRF455 M/A-COM NPN Silicon Power Transistor 60W 12.5V 14-30 MHz Matched Quad (4) (NOS)

    MRF455 M/A-COM NPN Silicon Power Transistor 60W 12.5V 14-30 MHz Matched Quad (4) (NOS)

    $231.91

    Designed for power amplifier applications in industrial, commercial and amateur radio equipment to 30 MHz.  4 Transistors in a Matched Set.

    • Specified 12.5 V, 30 MHz characteristics — Output power = 60 W, Minimum gain = 13 dB

    MFR: M/A-COM
    SKU: MRF455MQ-MA

  7. MRF421 M/A-COM NPN Silicon Power Transistor 100 W (PEP) 30 MHz 12 V Matched Quad (4) (NOS)

    MRF421 M/A-COM NPN Silicon Power Transistor 100 W (PEP) 30 MHz 12 V Matched Quad (4) (NOS)

    $383.91

    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

    MRF: M/A-COM
    SKU: MRF421MQ-MA

  8. 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

  9. 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

  10. 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

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RF Parts Company
435 S PACIFIC ST
SAN MARCOS, CA, 92078, USA

1-800-RFPARTS (1-800-737-2787)  1-760-744-0700, #1

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