MRF581
Microsemi Corporation
Microsemi Corporation
RF TRANS NPN 18V 5GHZ MICRO X
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MRF581
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Product details
Discover unparalleled RF performance with Microsemi Corporation's MRF581 bipolar junction transistor, a standout in discrete semiconductor solutions. This BJT features exceptional high-frequency response characteristics, making it perfect for sensitive signal detection and amplification circuits. The transistor's optimized base-emitter junction design ensures low noise operation while delivering substantial power gain. Its robust construction withstands mechanical stress and thermal cycling common in field deployments. The MRF581 demonstrates excellent intermodulation distortion characteristics for clean signal reproduction. Telecommunications equipment manufacturers utilize this component in fiber optic network repeaters and microwave backhaul systems. Aerospace applications include flight communication systems and terrain-following radar implementations. In scientific research, it enables precise signal processing in nuclear magnetic resonance (NMR) spectrometers and electron microscopy controls. The consumer electronics sector benefits from its reliable performance in smart antenna systems and millimeter-wave devices. With multiple packaging options available, the MRF581 adapts to various PCB layout requirements and thermal management schemes. Microsemi Corporation supports this product with comprehensive reliability data and failure mode analysis reports. Design teams can leverage our application engineering expertise for custom circuit optimization advice. Explore sample availability and lead time information through our online portal. Submit your project specifications today to receive a competitive quote for the MRF581 RF transistor solution.
General specs
- Product Status: Obsolete
- 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
- Package / Case: Micro-X ceramic (84C)
- Supplier Device Package: Micro-X ceramic (84C)
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