MRF8P9040GNR1

Overview

The MRF8P9040GNR1 is an N-Channel Enhancement-Mode Lateral MOSFET from the MRF8P9040N family, designed for RF power amplifier applications. It operates within a frequency range of 700 to 1000 MHz and utilizes a TO-270BB package. The device supports a supply voltage of 28V, delivering a typical output power of 40W (46dBm) with a gain of 19dB. Its static drain current is approximately 312mA to 320mA at a gate-source voltage of 3.2V. This component provides high power density and stability across its operating band.

Feature Summary

• High power density capability allowing significant output in a compact form factor
• Low on-resistance characteristics that reduce power loss and improve efficiency
• Excellent linear performance suitable for demanding RF signal amplification
• Robust thermal stability ensuring reliable operation under varying environmental conditions

Applications

• Wireless communication base station power amplifiers
• Broadcasting transmitter systems
• Radar system signal amplification
• AB class radio frequency power amplifier construction

Procurement Notes

Verify the specific suffix 'GNR1' against official NXP documentation to confirm tape-and-reel packaging specifications. Ensure compatibility with ADS simulation models by matching the DesignKit version to your software environment. Cross-reference the datasheet revision date to validate electrical parameters before integration into final designs.

Selection Notes

Select this component for designs requiring 40W output in the 700-1000MHz band. It is optimized for AB class operation balancing linearity and efficiency. Consider thermal management requirements due to high power density. Verify input impedance matching networks for optimal gain and stability factors greater than one across the target frequency range.

Part Context

This part belongs to the MRF8P9040N series of RF LDMOS transistors originally developed by Freescale Semiconductor and now manufactured by NXP Semiconductors. These devices are engineered for high-performance RF applications where reliability and power handling are critical. The series is widely recognized in professional RF engineering for its consistent performance in broadband amplifier designs.

Replacement Considerations

Consult NXP official substitution lists for direct replacements. Similar family members include MRF8P9210N variants. Verify pinout compatibility and electrical parameter overlaps before swapping components in existing circuit layouts to ensure design integrity.