MRF454 Datasheet, Features, Applications, and Specifications
Update Time: Mar 28, 2025 Readership: 1235
Contents
The MRF454 is a high-power NPN silicon RF transistor designed for RF and VHF power amplification applications. Manufactured by MACOM Technology Solutions, this transistor operates in the HF, VHF, and UHF frequency ranges, delivering high output power and efficiency. It is widely used in radio transmitters, industrial RF applications, and communication systems.
Overview of the MRF454
The MRF454 is a high-performance NPN silicon power transistor designed for power amplifier applications in industrial, commercial, and amateur radio equipment operating up to 30 MHz. It is an RF power transistor that provides high gain, efficiency, and ruggedness, making it an ideal choice for amplifier circuits in RF and VHF applications. Designed for linear and class C operation, this transistor ensures low distortion and stable performance in demanding environments. It features a tray package for efficient heat dissipation and ease of integration into amplifier designs. The MRF454 is ideal for linear and switching RF power amplifiers, the MRF454 is a trusted choice for robust and efficient signal transmission.
30 MHz Test Circuit Schematic
Key Features
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High Output Power – Delivers up to 80W at 30 MHz.
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Optimized for 12.5V Operation – Ensures stable performance in RF applications.
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High Gain – Provides minimum gain suitable for efficient amplification.
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Reliable Performance – Engineered for demanding RF power applications.
MRF454 Pin Configuration
| Pin Name | Description | Function |
|---|---|---|
| Collector (C) | Power output terminal | Connects to the amplifier circuit for RF power transmission. |
| Base (B) | Signal input terminal | Controls the transistor operation via RF input. |
| Emitter (E) | Ground terminal | Connects to the circuit ground for signal return. |
MRF454 Maximum Ratings
MRF454 Applications
RF Power Amplifiers
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Broadcast Transmitters: Used in AM, FM, and shortwave radio transmitters.
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RF Linear Amplifiers: Provides signal amplification in communication systems.
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Industrial RF Generators: Supports plasma generation, medical equipment, and RF heating.
VHF and UHF Communications
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Two-Way Radio Systems: Enhances signal strength for long-range communication.
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Amateur Radio Equipment: Commonly used in ham radio amplifiers.
-
Marine and Aviation Radios: Ensures reliable VHF/UHF signal transmission.
Other Applications
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RF Signal Boosters: Improves the range and power of RF signals.
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Military and Defense Electronics: Utilized in secure RF communication systems.
-
RF Jamming Systems: Supports military and industrial RF applications.
Advantages and Disadvantages
Advantages
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High RF Power Output: Supports up to 80W at 30MHz, making it ideal for RF amplification.
-
Wide Frequency Operation: Covers HF, VHF, and UHF bands for versatile applications.
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Efficient Performance: High gain and power efficiency reduce energy loss.
-
Rugged and Durable: Withstands high RF power levels without degradation.
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Compact Package: Ensures easy thermal management and circuit integration.
Disadvantages
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Requires Proper Heat Dissipation: High power levels generate significant heat, requiring efficient cooling solutions.
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Limited to RF Applications: Not suitable for low-frequency or general-purpose transistor applications.
MRF454 Datasheet
The datasheet includes detailed electrical characteristics, thermal performance graphs, and power output curves. It provides mechanical dimensions, mounting recommendations, and circuit design guidelines to ensure optimal transistor performance in RF applications.
MRF454 Package
Manufacturer
MACOM Technology Solutions is a leading supplier of RF and microwave components, specializing in high-performance transistors, amplifiers, and semiconductor solutions for industrial, defense, and communication markets.
Conclusion
The MRF454 is a high-performance RF power transistor, offering excellent power efficiency, rugged durability, and wide frequency coverage. With its high-power output, it is widely used in RF power amplifiers, VHF/UHF communication systems, and industrial RF applications.
Extended Reading
FAQ
-
What is the power output of the MRF454?
The MRF454 can deliver up to 80W RF output at 30MHz.
-
What applications is the MRF454 suitable for?
It is used in RF power amplifiers, communication systems, and industrial RF applications.
-
What is the operating voltage range of the MRF454?
The transistor operates with a collector-emitter voltage (Vceo) of up to 45V.
-
Does the MRF454 require additional cooling?
Yes, due to its high power output, proper heat sinking and thermal management are required.
MRF454 In Stock: 4,140 Pcs
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