Ampleon BLF981/BLF981S LDMOS Power Transistors

Introduction

The Ampleon BLF981/BLF981S LDMOS Power Transistors are high-performance devices designed for a variety of demanding applications. With their robust construction and high efficiency, these transistors are ideal for use in broadband systems, ensuring reliable operation across a wide frequency range.

Part Description

The Ampleon BLF981/BLF981S are Laterally Diffused Metal-Oxide-Semiconductor (LDMOS) power transistors rated at 170W. They are engineered for high-efficiency broadband applications, operating effectively from HF to 1400MHz. These transistors are particularly suited for broadcast transmitters and non-cellular communication systems. They feature excellent ruggedness, high power gain, and integrated dual-sided ESD protection, making them capable of withstanding extreme operating conditions. The BLF981 is packaged in a SOT467C, while the BLF981S comes in a SOT467B, both designed to support robust thermal management and long-term reliability.

Applications

• Broadcast transmitter applications
• Industrial, scientific, and medical (ISM) applications
• Avionics applications up to 1400MHz
• Non-cellular communications applications

Industries

• Telecommunications
• Broadcasting
• Aerospace and Defense
• Medical Equipment Manufacturing
• Industrial Automation

Usage Ideas

1. Broadcast Transmitter Design: Utilize the BLF981/BLF981S in a new design for a high-efficiency FM or AM broadcast transmitter, ensuring reliable signal transmission over long distances.

2. ISM Equipment Development: Implement these transistors in the development of industrial, scientific, and medical equipment that requires robust RF power amplification, such as RF heating systems or medical imaging devices.

3. Avionics Communication Systems: Design a communication system for avionics that operates within the 1400MHz range, leveraging the high power gain and ruggedness of the BLF981/BLF981S for reliable performance in challenging environments.

Conclusion

The Ampleon BLF981/BLF981S LDMOS Power Transistors are versatile and robust components suitable for a wide range of applications, particularly in broadcasting and non-cellular communications. Their high efficiency, excellent ruggedness, and integrated protection features make them an ideal choice for engineers looking to develop reliable and high-performance electronic systems.