MRF426

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MRF426

+BOM

RF TRANS NPN 35V 211-07

  • ManufacturerMACOM Technology Solutions

  • Mfr. Part #MRF426

  • In Stock5464

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Specifications

Attribute Value
Part Status Active
Transistor Type NPN
Voltage - Collector Emitter Breakdown (Max) 35V
Gain 25dB
Power - Max 25W
DC Current Gain (h FE) (Min) @ Ic, Vce 10 @ 1A, 5V
Current - Collector (Ic) (Max) 3A
Mounting Type Chassis Mount
Package / Case 211-07
Supplier Device Package 211-07, STYLE 1

Overview

Description

The MRF426 is a high-performance RF power transistor designed for use in various RF applications, particularly in the UHF frequency range. Manufactured by NXP Semiconductors, it is commonly used in two-way radios, amateur radio, and other communication systems due to its high efficiency and linearity.
The MRF426 operates typically in the frequency range of 450 to 470 MHz, providing a maximum output power of around 50 watts. It features a ceramic package that enhances thermal dissipation, essential for maintaining reliability during operation. The transistor is designed to function in Class AB mode, optimizing both linearity and efficiency for high-quality signal transmission.
The device is suitable for applications where robustness and performance are critical, such as in public safety communication and industrial wireless systems. Overall, the MRF426 is valued for its durability, efficiency, and effectiveness in delivering reliable RF power in demanding environments.

Equivalent

Equivalent products to the MRF426 chip include the MRF401, MRF404, and MRF492 from the same manufacturer, as well as alternatives like the Si4463 or Si4460 from Silicon Labs. These chips offer similar RF performance and frequency capabilities, suitable for various RF applications. Always verify specifications and compatibility for your specific project requirements.

Features

The MRF426 is a high-performance N-channel MOSFET designed for RF applications, particularly in the 1 to 1000 MHz range. Key features include:
1. High Power Output: Capable of handling up to 10 watts of output power.
2. High Gain: Offers significant power gain, enhancing efficiency in amplifying RF signals.
3. Wide Frequency Range: Suitable for use in both linear and saturated amplification modes across a broad frequency spectrum.
4. Low Noise: Designed to minimize signal distortion, ensuring clear transmission and reception.
5. Thermal Stability: Features a robust design that maintains performance under varying thermal conditions.
6. Easy to Use: Typically packaged in a convenient TO-220 or similar housing, facilitating integration into various circuits.
7. High Breakdown Voltage: Ensures reliable operation under high voltage conditions.
These attributes make the MRF426 a popular choice for RF power amplifiers and other communications applications.

Pinout

The MRF426 is a power amplifier designed for RF applications, specifically operating in the UHF frequency range. It typically comes in a 14-pin package.
Pin Count and Functions:
1. Pin 1 - RF Input: For receiving the input RF signal.
2. Pin 2 - Vg: Gate voltage control.
3. Pin 3 - Vdd: Drain supply voltage.
4. Pin 4 - Drain: Connection for the drain current.
5. Pin 5 - Ground: Common ground connection.
6. Pin 6 - RF Output: For outputting the amplified RF signal.
7. Pin 7 to 14 - Various other functions including biasing and stability control.
The MRF426 is widely used in communication systems for its efficiency and performance characteristics, making it suitable for applications that require high power amplification. Always refer to the manufacturer's datasheet for precise pin configurations and specifications.

Manufacturer

The MRF426 is manufactured by NXP Semiconductors, a global semiconductor company based in the Netherlands. NXP specializes in designing and producing a wide range of semiconductor products, including microcontrollers, processors, and RF power transistors. The company primarily serves various sectors such as automotive, industrial, mobile, and Internet of Things (IoT) applications. NXP is known for its innovation in wireless communication technologies and has a strong focus on enabling secure connectivity in embedded systems. The MRF426 is specifically a high-power RF transistor that is commonly used in applications such as RF amplifiers for wireless communication systems, showcasing NXP's commitment to advancing technology in the semiconductor industry.

Application

The MRF426 is a high-power RF transistor primarily used in RF amplification applications. Its key areas include:
1. Broadcast Transmitters: For AM and FM radio transmission.
2. Commercial Communication Systems: Used in two-way radios and mobile communication devices.
3. Industrial RF Heating: Applications in heating systems like microwave ovens and industrial heaters.
4. Aerospace and Defense: In radar and communication systems for military applications.
5. Test Equipment: Utilized in RF test and measurement equipment.
Its capability to handle high frequencies and power levels makes it suitable for these diverse applications.

Package

The MRF426 is typically available in a metal can package. This package type provides good thermal management and is designed for RF applications, ensuring durability and reliability in various environments.