RO3144E

Overview

The RO3144E is a Surface Acoustic Wave (SAW) resonator manufactured by RFMi, designed for frequency control in transmitter applications. It operates at a nominal frequency of 916.5 MHz with a tolerance of 150 kHz. The component utilizes a hermetically sealed ceramic package and quartz frequency stabilization to ensure reliability. Key electrical parameters include an insertion loss of 1.2 dB typical and an unloaded Q factor of 6400. It features a load capacitance of 1.9 pF and supports a maximum operating voltage of 12 VDC. The device is RoHS compliant and meets AEC-Q200 standards.

Feature Summary

• Hermetically sealed ceramic package construction
• Quartz frequency stabilization technology
• AEC-Q200 qualified reliability standard

Applications

• Transmitter frequency control elements
• Wireless communication devices
• Internet-connected OEM equipment

Procurement Notes

Verify the specific suffix variant required for the application, as designations such as -1 or -2 indicate distinct manufacturing sources like Murata Electronics or RFMi respectively. Confirm that the selected part matches the exact frequency tolerance and package dimensions specified in the official datasheet. Ensure compliance with regional regulatory requirements regarding material composition before finalizing procurement orders.

Selection Notes

Select this component for applications requiring precise frequency stability in the 916 MHz band. Consider the single-port configuration and low insertion loss characteristics suitable for transmitter circuits. Evaluate the thermal stability and operating temperature range against environmental conditions. Verify compatibility with the target circuit's load capacitance requirements to ensure optimal performance and signal integrity.

Part Context

This SAW resonator belongs to the RFMi family of frequency control components. These devices are engineered to provide stable oscillation frequencies for wireless transmission systems. The series includes various configurations tailored for different industrial and consumer electronics applications, emphasizing compactness and high reliability in harsh environments.

Replacement Considerations

The RO3144E-1 is a documented variant from Murata Electronics. Cross-reference pinout and electrical specifications carefully when substituting between manufacturers to ensure functional equivalence in the target circuit design.