BLF9G20LS-160VJ

Overview

The BLF9G20LS-160V is a 160 W LDMOS power transistor designed for base station applications in the 1800 MHz to 2000 MHz frequency range. It features improved video bandwidth and low memory effects, making it suitable for multi-carrier systems. Typical performance at VDS = 28 V and IDq = 800 mA includes a power gain of 19.8 dB, drain efficiency of 33.5%, and an adjacent channel power ratio (ACPR) of -28 dBc under 2-carrier W-CDMA conditions. The device has a maximum drain-source voltage of 65 V and a junction temperature rating of 225 °C.

Feature Summary

• Excellent ruggedness capable of withstanding VSWR = 10:1 through all phases
• Low thermal resistance providing excellent thermal stability
• Lower output capacitance for improved performance in Doherty applications
• Designed for low memory effects providing excellent pre-distortability
• Internally matched for ease of use

Applications

• RF power amplifier for multi-systems base stations
• Multi-carrier applications in the 1800 MHz to 2000 MHz frequency range

Procurement Notes

Verify the specific ordering suffix against the manufacturer's current catalog to ensure compatibility with required packaging or testing configurations. Confirm that the component status remains active for production use, as product availability may change over time. Cross-reference the datasheet revision date with the latest official documentation to ensure all electrical specifications and handling precautions are up to date before finalizing procurement orders.

Selection Notes

Select this component for designs requiring high efficiency and robust load mismatch tolerance in cellular infrastructure. Ensure the application circuit maintains the recommended case temperature and quiescent current settings to achieve optimal linearity and power gain. Verify that the PCB layout supports the SOT1120B package dimensions and thermal requirements specified in the data sheet.

Part Context

This part belongs to Ampleon's LDMOS power transistor portfolio, specifically engineered for wireless communication infrastructure. It represents a generation of devices optimized for modern modulation schemes like W-CDMA, offering a balance between high output power and spectral purity. The technology focuses on reducing distortion and improving reliability in demanding RF environments.

Replacement Considerations

Consult the official Ampleon replacement guide for verified substitute part numbers. Do not assume pin-to-pin compatibility with other LDMOS transistors without verifying impedance matching and thermal characteristics.