RF3608D

Overview

The RF3608D is a surface acoustic wave (SAW) bandpass filter manufactured by Murata Electronics. It operates at a center frequency of 426.4 MHz with a bandwidth of 19.5 MHz, covering the range from 418 MHz to 434.79 MHz. The component features an insertion loss of 1.8 dB and supports impedances of 50 Ohms and 150 Ohms. Rated for a voltage of 5 V, it functions within a temperature range of -40°C to +85°C. The device utilizes an SMD/SMT termination style in an SM-3838-8 package.

Feature Summary

• Provides signal conditioning via SAW technology for specific frequency bands
• Designed for board mount installation using surface mount technology
• Supports dual impedance configurations of 50 Ohms and 150 Ohms

Applications

• TRC105 transceiver systems
• General data transmission modules
• RF receiver circuits operating in the 418-434 MHz range

Procurement Notes

Verify the manufacturer designation carefully, as sources attribute this part to both RFMi and Murata Electronics. Confirm the specific datasheet version matches the required electrical parameters, particularly the 1.8 dB insertion loss and 19.5 MHz bandwidth. Ensure the SM-3838-8 package dimensions align with your PCB footprint requirements before finalizing procurement decisions.

Selection Notes

Select this component when a narrowband SAW filter is required for the 418 MHz to 434.79 MHz spectrum. The 1.8 dB insertion loss offers efficient signal transmission for low-power applications. Consider the 5 V rating and wide operating temperature range for robustness in varying environmental conditions. The dual impedance option provides flexibility for matching networks in different circuit topologies.

Part Context

This component belongs to the RF series of signal conditioning devices. It serves as a specialized filter within Murata's portfolio for radio frequency applications. The design focuses on compact surface-mount integration for wireless communication hardware requiring precise frequency selection and interference rejection.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation.