RF3391D

Overview

The RF3391D is a surface-acoustic-wave (SAW) filter designed for front-end selectivity in receivers operating at a center frequency of 433.42 MHz. It features a bandwidth of 600 kHz and an insertion loss of 2.8 dB. The component utilizes an 8-SMD no-lead package with dimensions of 3.80 mm. Impedance values are specified as 126.97 Ohms and 137.18 Ohms. The device operates within a supply voltage range of 12 V.

Feature Summary

• Provides front-end selectivity for receiver applications
• Compact surface-acoustic-wave design
• Low-loss signal filtering capability

Applications

• 433.42 MHz receiver front-ends
• Wireless communication systems
• Signal conditioning circuits

Procurement Notes

Verify the specific manufacturer documentation to confirm RoHS3 compliance and moisture sensitivity levels prior to procurement. Ensure that the 8-SMD no-lead package dimensions align with your PCB footprint requirements. Cross-reference impedance specifications with system design parameters to ensure compatibility with existing circuit architectures.

Selection Notes

Select this component when a compact SAW filter is required for 433.42 MHz applications. Consider the 2.8 dB insertion loss and 600 kHz bandwidth relative to system sensitivity requirements. Evaluate the 8-SMD package size against available board space constraints.

Part Context

The RF3391D belongs to the RFMi SAW filter portfolio, which includes components based on SAW, Xtal, and Ceramic technologies. This series targets digital and wireless applications, offering integrated solutions for frequency control and signal filtering needs in modern electronic devices.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation.