BLF871

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BLF871

+BOM

RF MOSFET Transistors 100W, HF-1GHz

  • 제조업체Ampleon

  • 제조업체 부품 #BLF871

  • 데이터시트 BLF871 DataSheet

  • 재고9399

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개요

Description

The BLF871 is a high-performance LDMOS (Laterally Diffused Metal Oxide Semiconductor) RF power transistor. It's designed primarily for use in radio frequency (RF) applications, offering excellent efficiency and linearity. Key features of the BLF871 include its ability to operate at frequencies up to 1 GHz, making it suitable for broadcast, communication infrastructure, and industrial applications. The device typically delivers substantial output power, often exceeding 100 watts, depending on the specific application and configuration.
Notable for its ruggedness, the BLF871 can handle significant mismatched loads without degradation, enhancing reliability in demanding environments. It also supports high gain and thermal stability, which are critical for maintaining performance under varying operational conditions. The transistor is often used in amplifiers where it contributes to low distortion and high fidelity signal amplification.
Overall, the BLF871 is valued for its robust performance, making it a popular choice in RF amplifier designs that require consistent and reliable power delivery across various applications.

Equivalent

The BLF871 is a high-power RF transistor primarily used in broadcast applications. Equivalent products include the NXP's BLF574, Ampleon's BLP15H9S500P, and the Freescale (now NXP) MRFE6VP61K25H. These equivalents offer similar RF performance and power output capabilities, making them suitable substitutes in similar applications. Always verify specifications and compatibility with your specific requirements before substituting.

Features

The BLF871 is a high-power LDMOS (Laterally Diffused Metal Oxide Semiconductor) transistor designed for RF power applications. Key features of the BLF871 include:
1. Frequency Range: It operates efficiently in the frequency range of 1.8 to 54 MHz, making it suitable for HF and VHF applications.

2. Output Power: Delivers high output power, typically around 1000 watts, which is ideal for high-demand RF applications.
3. Efficiency: Offers high efficiency, often exceeding 70%, which helps in reducing heat generation and enhances overall performance.
4. Gain: Provides high linear gain, which improves amplification with minimal distortion.
5. Thermal Resistance: Features low thermal resistance, which aids in effective heat dissipation, ensuring reliability and longevity of the device.
6. Ruggedness: Designed to withstand high load mismatch conditions, enhancing durability and operational stability.
7. Package: Available in a compact ceramic package, which is advantageous for space-constrained applications.
These features make the BLF871 a robust choice for applications requiring reliable and efficient RF power amplification.

Pinout

The BLF871 is a high-power LDMOS transistor used primarily in RF amplification applications. It typically comes in a flange package, often referred to as a "Gemini" package, which is relatively common for high-power RF transistors. The BLF871 features a total of 4 pins:
1. Pin 1 (Gate 1): This is the input for the first transistor section.
2. Pin 2 (Drain 1): This is the output for the first transistor section, also typically connected to the power supply.
3. Pin 3 (Gate 2): This is the input for the second transistor section.
4. Pin 4 (Drain 2): This is the output for the second transistor section, also connected to the power supply.
Additionally, the flange of the package often serves as the source connection and is typically grounded. The BLF871 is designed for use in the VHF and UHF frequency ranges, commonly applied in broadcast and communication transmitters due to its high efficiency and power output capabilities.

Manufacturer

The BLF871 is a high-power RF transistor manufactured by Ampleon. Ampleon is a company that specializes in RF (radio frequency) power solutions. It was originally a business unit within NXP Semiconductors and became a standalone company in 2015.
Ampleon focuses on developing and providing RF power technology for a variety of applications, including wireless infrastructure, broadcast, industrial, scientific, medical, and aerospace. Their products are used in systems that require efficient and reliable RF power amplification. By leveraging decades of experience in the RF power domain, Ampleon delivers solutions that facilitate connectivity and enhance communication technologies.

Application

The BLF871 is a high-power LDMOS transistor commonly used in RF applications. Its primary application areas include:
1. Broadcast Transmitters: Utilized in FM and TV broadcast transmitters due to its high efficiency and power capabilities.
2. Industrial, Scientific, and Medical (ISM) Equipment: Suitable for RF heating, plasma generators, and medical imaging equipment.
3. Aerospace and Defense: Employed in radar systems and communication transmitters.
4. Telecommunications: Used in base stations and repeater applications for cellular networks.
5. RF Amplifiers: Acts as a key component in RF power amplifiers due to its robustness and high gain.
These applications benefit from the transistor's high output power, efficiency, and reliability in RF environments.

Package

The BLF871 is a high-frequency power transistor typically used in RF applications. It is housed in a flange-mount package known as a ceramic package, specifically designed for high-power performance and effective heat dissipation in RF amplification systems.