RF1172C

Overview

The Murata Electronics RF1172C is a Surface Acoustic Wave (SAW) filter designed for remote control applications. It operates at a center frequency of 433.92 MHz with a bandwidth of 600 kHz and an insertion loss of 3 dB. The component is housed in an 8-SMD, no-lead package measuring 5.00 mm x 5.00 mm x 1.70 mm. It complies with RoHS3 standards and has a Moisture Sensitivity Level (MSL) of 1.

Feature Summary

• Provides front-end selectivity for 433.92 MHz receivers
• Compact surface-mount design suitable for space-constrained layouts
• Low insertion loss characteristics for efficient signal transmission

Applications

• Remote control systems
• RF receiver front-ends

Procurement Notes

Verify the current lifecycle status before procurement, as the RF1172C is listed as obsolete or end-of-life by major distributors. Confirm availability through authorized channels or secondary markets. Ensure compatibility with existing PCB footprints and validate that alternative components meet the required electrical specifications for the target application.

Selection Notes

Select this component only if the specific 433.92 MHz center frequency and 600 kHz bandwidth align with the system requirements. Consider the 8-SMD package dimensions for mechanical fit. Evaluate end-of-life implications and potential supply chain disruptions when choosing this part over active alternatives.

Part Context

The RF1172C belongs to the RF11 series of SAW filters from Murata Electronics. These components are engineered for cost-effective and compact radio frequency filtering solutions. The device utilizes surface acoustic wave technology to achieve precise frequency selection in wireless communication circuits.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation due to the component's obsolete status.