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PT4273 TRW RF Power Transistor 173MHz (NOS)
PT4273 TRW RF Power Transistor 173MHz (NOS)

In Stock

$29.90

PT4273 TRW RF Power Transistor 173MHz (NOS)


New Old Stock * No longer available for export
MFR: TRW
SKU: PT4273

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4N25 Toshiba 6 Pin Dip Optoisolaters Transistor (NOS)
4N25 Toshiba 6 Pin Dip Optoisolaters Transistor (NOS)

In Stock

$0.31

The 4N25 device consist of a gallium arsenide infrared emitting diode optically coupled to a monolithic silicon phototransistor detector.



  •  Most Economical Optoisolator Choice for Medium Speed, Switching Applications

  •  Meets or Exceeds All JEDEC Registered Specifications


New Old Stock
MFR: Toshiba
SKU: 4N25

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D45H2 General Electric PNP Expitaxial Silicon Transistor (NOS)
D45H2 General Electric PNP Expitaxial Silicon Transistor (NOS)

In Stock

$2.90


  • Maximum Collector-Base Voltage |Vcb|: 30 V

  • Transition Frequency (ft): 20 MHz


New Old Stock * No longer available for export
MFR: General Electric
SKU: D45H2

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IRF510 N-Channel Power MOSFET Transistor 5.6A 100V 0.540 Ohm
IRF510 N-Channel Power MOSFET Transistor 5.6A 100V 0.540 Ohm

In Stock

$1.91

IRF510 Transistor, 5.6A, 100V, 0.540 Ohm, N-Channel Power MOSFET

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MRF171A  M/A-COM Transistor RF MOSFET 45W 150MHz 28V (NOS)
MRF171A M/A-COM Transistor RF MOSFET 45W 150MHz 28V (NOS)

In Stock

$43.90

Designed primarily for wideband large–signal output and driver stages from 30–200 MHz, N–Channel enhancement mode MOSFET



  • Guaranteed performance at 150 MHz, 28 Vdc, Output power = 45 W, Power gain = 17 dB (min), Efficiency = 60% (min)

  • Excellent thermal stability, ideally suited for Class A operation

  • Facilitates manual gain control, ALC and modulation techniques

  • 100% tested for load mismatch at all phase angles with 30:1 VSWR

  • Low Crss – 8 pF @ VDS = 28 V

  • Gold top metal, Typical data for power amplifier applications in industrial, commercial and amateur radio equipment

  • Typical performance at 30 MHz, 28 Vdc, Output power = 30 W (PEP), Power gain = 20 dB (typ.), Efficiency = 50% (typ.), IMD(d3) (30 W PEP) –32 dB (typ.)


Parts we have available are early version just after Motorola sold to M/A-COM.  All parts in stock are produced with original Motorola die. 


New Old Stock * No longer available for export
MFR: M/A-COM
SKU: MRF171A-MA

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QBH-105 Q-Bit RF Amplifier 0.5W 5-300 MHz (NOS)
QBH-105 Q-Bit RF Amplifier 0.5W 5-300 MHz (NOS)

In Stock

$14.91


  • High Gain: 12.2dB Typical

  • DC Voltage: +19V

  • Continuous RF Input Power: +13 dBm


New Old Stock
MFR: Q-BIT Corporation
SKU: QBH-105

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QBH-110 Q-Bit RF Amplifier 0.5W 5-500MHz (NOS)
QBH-110 Q-Bit RF Amplifier 0.5W 5-500MHz (NOS)

In Stock

$14.91


  • High Gain: 15.0dB Typical

  • DC Voltage: +17V

  • Continuous RF Input Power: +13 dBm


New Old Stock
MFR: Q-BIT
SKU: QBH-110

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QBH-118 Q-Bit RF Amplifier 0.5W 3-100MHz NOS)
QBH-118 Q-Bit RF Amplifier 0.5W 3-100MHz NOS)

In Stock

$14.91


  • High Gain: 16.3 dB Typical

  • DC Voltage: +20V

  • Continuous RF Input Power: +13 dBm


New Old Stock
MFR: Q-BIT
SKU: QBH-118

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SD148-2 Solid State Transistor (NOS)
SD148-2 Solid State Transistor (NOS)

In Stock

$24.90

SD148-2 Solid State Transistor (NOS)


New Old Stock * No longer available for export
MFR: Solid State Scientific
SKU: SD148-2

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2SC2782A Toshiba NPN Silicon Epitaxial Planar Transistor Matched Pair (2) (NOS)
2SC2782A Toshiba NPN Silicon Epitaxial Planar Transistor Matched Pair (2) (NOS)

In Stock

$129.91





The 2SC2782A is an NPN bipolar junction transistor (BJT) designed and manufactured by Toshiba Corporation. It is a silicon epitaxial planar transistor that is commonly used in various electronic applications, particularly in high-frequency and high-power amplifier circuits.


The 2SC2782A transistor is a high-quality and reliable component that offers excellent performance in a wide range of electronic applications. Its high current gain, low noise figure, high cutoff frequency, and low parasitic capacitance make it a popular choice for use in various high-frequency and high-power amplifier circuits.






For a Matched Quad (4), simply order Two Pairs
MFR: Toshiba, Japan
New Old Stock * No Longer Available for Export
SKU: 2SC2782A-MP


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Items 1 to 10 of 1557 total