SZA-6044Z

RF Amplifiers Overview

The RFMD SZA-6044Z is a high linearity Class A GaAs Heterojunction Bipolar Transistor (HBT) amplifier designed for operation in the 5.1 GHz to 5.9 GHz frequency range. It delivers an output power of 0.25 W and features a supply voltage range of 3 V to 5 V with a typical supply current between 145 mA and 185 mA. The device exhibits a noise figure ranging from 7.8 dB to 9.8 dB at a test frequency of 5.9 GHz. It is housed in a low-cost, surface-mountable 16-VFQFN exposed pad plastic package.

RF Amplifiers Feature Summary

• High linearity Class A amplification using GaAs HBT technology
• Optimized for 5.1 GHz to 5.9 GHz wireless applications
• Low-cost surface-mountable plastic packaging

RF Amplifiers Applications

• 802.11a WiFi systems
• WiMax infrastructure
• WLAN transmitters
• ISM band applications

RF Amplifiers Procurement Notes

Verify the specific suffix Z against the manufacturer's official documentation to confirm package variations or testing conditions. Ensure compatibility with 3 V to 5 V supply rails and validate thermal requirements for the 16-VFQFN exposed pad configuration during integration. Cross-reference the datasheet revision to confirm electrical parameters such as noise figure and supply current limits before finalizing component selection.

RF Amplifiers Selection Notes

Select this component for designs requiring high linearity in the 5.1–5.9 GHz band. The Class A topology suits applications prioritizing signal fidelity over efficiency. Consider the 145–185 mA supply current when designing power delivery networks. The exposed pad package requires appropriate thermal management strategies on the PCB layout to maintain reliability under continuous operation.

RF Amplifiers Part Context

The SZA-6044Z belongs to RFMD’s portfolio of GaAs HBT amplifiers, often grouped with the SZA-6044 variant. These devices target fixed wireless access and broadband WiFi markets. The family utilizes heterojunction bipolar transistor technology to achieve performance metrics suitable for linear amplification in dense RF environments.

RF Amplifiers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.