AFM906NT1

RF FETs, MOSFETs Overview

The AFM906NT1 is an N-Channel enhancement-mode LDMOS transistor designed for handheld two-way radio applications across 136 to 941 MHz. It operates at a maximum drain-source voltage of 30 Vdc and supports up to 12.5 Vdc operating voltage. In a 440–520 MHz broadband reference circuit at 7.5 Vdc, it delivers 6.5 W output power with 16.2 dB gain and 62% efficiency. At 520 MHz narrowband, it achieves 6.8 W output with 20.3 dB gain and 70.8% efficiency. The device features unmatched input/output ports, integrated ESD protection, and extreme ruggedness.

RF FETs, MOSFETs Feature Summary

• Characterized for wide frequency operation from 136 to 941 MHz
• Unmatched input and output ports allowing broad frequency range utilization
• Integrated electrostatic discharge (ESD) protection
• Extreme ruggedness with high linearity for TETRA and SSB signals

RF FETs, MOSFETs Applications

• Output stage for VHF band handheld radios
• Output stage for UHF band handheld radios
• Output stage for 700–800 MHz handheld radios
• Generic 6 W driver for ISM and broadcast final stage transistors

RF FETs, MOSFETs Procurement Notes

Verify the specific ordering suffix 'T1' corresponds to the required tape and reel configuration, which indicates 1,000 units per 16 mm tape width on a 7-inch reel. Confirm that the DFN 4x6 package dimensions align with the target PCB layout requirements. Ensure thermal management strategies account for the specified junction-to-case thermal resistance values during continuous wave operation.

RF FETs, MOSFETs Selection Notes

Select this component for designs requiring wideband performance without complex matching networks due to its unmatched ports. Consider the 30 Vdc drain-source voltage rating when designing bias circuits. Evaluate the thermal dissipation capabilities against the expected duty cycle and ambient temperature conditions to ensure reliable operation within the -40 to +150 °C junction temperature range.

RF FETs, MOSFETs Part Context

This part belongs to NXP's Airfast RF Power LDMOS Transistor family, specifically engineered for high ruggedness and wideband performance in handheld radio equipment. It utilizes lateral MOSFET technology optimized for large-signal common-source amplifier applications. The device integrates stability enhancements to support robust operation in mobile radio environments.

RF FETs, MOSFETs Replacement Considerations

Consult official NXP documentation for confirmed substitute part numbers. Verify compatibility regarding pinout configurations, thermal characteristics, and electrical ratings before implementing any alternative components.

RF FETs, MOSFETs FAQ

What is the maximum operating voltage for the AFM906NT1?

The maximum operating voltage (VDD) is 12.5 Vdc, while the absolute maximum Drain-Source Voltage (VDSS) rating is 30 Vdc.

Does the AFM906NT1 require external input and output matching networks?

No, the device features unmatched input and output ports, allowing for wide frequency range utilization without complex matching networks.

What is the ESD protection capability of this transistor?

It includes integrated ESD protection, passing 1000 V via Human Body Model, 50 V via Machine Model, and 2000 V via Charge Device Model.