RF1391C

Overview

The RF1391C is a Surface-Acoustic-Wave (SAW) filter manufactured by Murata Electronics, designed for front-end selectivity in receivers operating at 433.42 MHz. It features a bandwidth of 0.5 MHz and an insertion loss of 3 dB. The component utilizes SMD/SMT termination types and is housed in the SM-5050-8 package. It supports board mounting and operates within a temperature range of -40°C to +85°C.

Feature Summary

• Provides front-end selectivity for 433.42 MHz receiver applications
• Low-loss, compact, and economical surface-acoustic-wave design

Applications

• Front-end filtering in 433.42 MHz receivers

Procurement Notes

Verify current availability status as the RF1391C is listed as discontinued or subject to restricted supply conditions. Confirm that the SM-5050-8 package dimensions and pinout align with existing PCB layouts. Ensure the specified operating temperature range meets system requirements before finalizing procurement plans.

Selection Notes

Select this component when designing circuits requiring specific SAW filter characteristics for the 433.42 MHz ISM band. Consider the 0.5 MHz bandwidth and 3 dB insertion loss specifications against system sensitivity requirements. Evaluate the SM-5050-8 footprint compatibility during the schematic capture phase to ensure seamless integration into the target hardware architecture.

Part Context

Murata Electronics produces the RF1391C as part of its signal conditioning portfolio, specifically categorized under SAW filters. This component serves as a specialized passive device intended to improve signal integrity in radio frequency reception chains by attenuating out-of-band interference.