RFSA3043TR7

Attenuators Overview

The RFSA3043TR7 is a low-loss voltage-controlled attenuator manufactured by Qorvo, designed for wireless and RF integrated circuit applications. It operates within a frequency range of 5 MHz to 3 GHz with a characteristic impedance of 75 Ohms. The device provides a maximum attenuation of 30 dB with a step resolution of 1 dB. Key electrical parameters include an insertion loss of 1.5 dB and a power dissipation capability of 500 mW. It functions on a single channel and requires a 5 V operating supply voltage. The component is housed in a 16-VFQFN package with an exposed pad, suitable for surface-mount technology (SMD/SMT) installation.

Attenuators Feature Summary

• Provides precise analog attenuation control via voltage input across a wide RF bandwidth
• Engineered for high linearity with low insertion loss in 75-Ohm systems
• Utilizes silicon technology for robust performance in demanding thermal environments

Attenuators Applications

• Cable television (CATV) distribution networks
• Broadband access infrastructure equipment
• RF signal conditioning in 75-Ohm transmission lines

Attenuators Procurement Notes

Verify the specific suffix TR7 against official Qorvo documentation to confirm reel packaging specifications and tape-and-reel dimensions. Ensure the procurement order matches the exact part number variant required for your assembly process. Cross-reference the datasheet revision date to confirm compatibility with current manufacturing standards. Confirm that the 75-Ohm impedance specification aligns with your system design requirements before finalizing the purchase order.

Attenuators Selection Notes

Select this component when a 75-Ohm interface is required for frequencies up to 3 GHz. It is appropriate for designs needing variable attenuation with minimal signal degradation. Consider the 5 V supply constraint and the thermal management requirements associated with 500 mW power dissipation. Evaluate the 16-VFQFN package size against available PCB real estate constraints.

Attenuators Part Context

This component belongs to the RFSA series of voltage-controlled attenuators from Qorvo. It is categorized under Wireless & RF Integrated Circuits. The device utilizes silicon-based technology to deliver reliable performance in commercial and industrial RF applications. It serves as a critical passive-active hybrid element for signal level adjustment in high-frequency circuits.

Attenuators Replacement Considerations

Public confirmed substitute part numbers are not provided in the source material. Consult official Qorvo documentation for potential cross-reference options or updated series replacements.