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  1. MRF557 Microsemi RF and Microwave Discrete Low Power Transistor (NOS)

    MRF557 Microsemi RF and Microwave Discrete Low Power Transistor (NOS)

    $2.90 As low as: $2.62

    Designed for high current, low power, low noise, amplifiers up to 1.0 GHz.

    • Low Noise - 2.5 dB @ 500 MHZ
    • Gain at Optimum Noise Figure = 15.5 dB @ 500 MHz
    • Ftau - 5.0 GHz @ 10v, 75mA
    • Cost Effective MacroX Package

    New Old Stock * No longer available for export
    MFR: Microsemi
    SKU: MRF557-MSC

  2. MRF559 Microsemi RF and Microwave Discrete Low Power Transistor 0.5W 870 MHz 12V (NOS)

    MRF559 Microsemi RF and Microwave Discrete Low Power Transistor 0.5W 870 MHz 12V (NOS)

    $4.90

    Designed primarily for wideband large signal stages in the UHF frequency range.

    • Specified @ 12.5 V, 870 MHz Characteristics: Output Power = .5 W, Minimum Gain = 8.0 dB, Efficiency 50%
    • Cost Effective Macro X Package
    • Electroless Tin Plated Leads for Improved Solderability

    New Old Stock * No longer available for export
    MFR: Microsemi
    SKU: MRF559-MSC

  3. MRF581G Microsemi Transistor (NOS)

    MRF581G Microsemi Transistor (NOS)

    $3.90

    • Transistor Type: NPN
    • Voltage - Collector Emitter Breakdown (Max): 18V
    • Frequency - Transition: 5GHz
    • Noise Figure (dB Typ @ f): 3dB ~ 3.5dB @ 500MHz
    • Gain: 13dB ~ 15.5dB
    • Power - Max: 1.25W
    • DC Current Gain (hFE) (Min) @ Ic, Vce: 50 @ 50mA, 5V
    • Current - Collector (Ic) (Max): 200mA
    • Operating Temperature: 150°C (TJ)
    • Mounting Type: Surface Mount

    No longer manufactured
    New Old Stock * No longer available for export
    MFR: Microsemi
    SKU: MRF581G-MSC

  4. MRF586 Microsemi RF & Microwave Discrete Low Power NPN Silicon Transistor (NOS)

    MRF586 Microsemi RF & Microwave Discrete Low Power NPN Silicon Transistor (NOS)

    $6.90

    Designed for VHF and UHF equipment. Applications include amplifier; pre-driver, driver, and output stages. Also suitable for oscillator and frequency-multiplier functions.

    • Ftau = 3.0 Ghz (typ) @ 300MHz, 14v, 90mA
    • GU max= 12.5dB (typ) @ 300 MHz, 15v, 40mA
    • |S21|2= 12.5dB (typ) @ 300 MHz, 15v, 40mA

    New Old Stock * No longer available for export
    MFR: Microsemi
    SKU: MRF586-MSC

  5. MRF5943C Microsem RF & Microwave Discrete Low Power Transistor (NOS)

    MRF5943C Microsem RF & Microwave Discrete Low Power Transistor (NOS)

    $2.90 As low as: $2.62

    Designed for high current, low power, low noise, amplifiers up to 1.0 GHz.

    • Low Noise - 2.5 dB @ 500 MHZ
    • Gain at Optimum Noise Figure = 15.5 dB @ 500 MHz
    • Ftau - 5.0 GHz @ 10v, 75mA
    • Cost Effective MacroX Package

    New Old Stock * No longer available for export
    MRF: Microsemi
    SKU: MRF5943C-MSC
     

  6. MRF555 Motorola NPN Silicon RF Low Power Transistor 12.5 V 470 MHz 1.5 W (NOS)

    MRF555 Motorola NPN Silicon RF Low Power Transistor 12.5 V 470 MHz 1.5 W (NOS)

    $6.90

    Designed primarily for wideband large signal stages in the UHF frequency range.

    New Old Stock * No longer available for export
    MFR: Motorola
    SKU: MRF555-MOTO

  7. MRF630 Microsemi RF Power Transistor NPN Silicon 12.5 V 470 MHz 3.0 W (NOS)

    MRF630 Microsemi RF Power Transistor NPN Silicon 12.5 V 470 MHz 3.0 W (NOS)

    $9.90

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

    New Old Stock * No longer available for export
    MFR: Microsemi
    SKU: MRF630-MSC

  8. MRF904 Microsemi RF & Microwave Discrete Low Power Transistor 500 MHz (NOS)

    MRF904 Microsemi RF & Microwave Discrete Low Power Transistor 500 MHz (NOS)

    $2.90

    Designed for high current, low power, low noise, amplifiers up to 1.0 GHz.

    • Low Noise - 2.5 dB @ 500 MHZ
    • Gain at Optimum Noise Figure = 15.5 dB @ 500 MHz
    • Ftau - 5.0 GHz @ 10v, 75mA
    • Cost Effective MacroX Package

    New Old Stock * No longer availabel for export
    MFR: Microsemi
    SKU: MRF904-MSC

     

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