RO3112A

Overview

The RO3112A is a Surface Acoustic Wave (SAW) resonator manufactured by Akoustis- RFMi, designed for high-performance applications within the 30MHz to 3.7GHz frequency range. It operates at a nominal frequency of 433.42 MHz with a frequency stability of ±32ppb. The component supports an operating temperature range of -40°C to 85°C and features a capacitance value of 3.7 pF. Packaged in a compact surface mount format measuring 5.0 x 3.5 mm, it ensures reliable signal generation for RF circuits.

Feature Summary

• High reliability surface mount SAW resonator design
• Precise frequency stability of ±32ppb
• Wide operational temperature tolerance from -40°C to 85°C

Applications

• RF signal generation circuits
• Wireless communication modules
• Industrial control systems requiring stable frequencies

Procurement Notes

Verify the specific package dimensions and electrical parameters against the official Akoustis- RFMi datasheet before integration. Ensure that the selected variant matches the required nominal frequency and stability specifications for the target application environment. Confirm compliance with relevant environmental standards such as RoHS during the sourcing process.

Selection Notes

Select this component when a stable 433.42 MHz reference is required in a compact SMT footprint. Consider the ±32ppb stability requirement for precision timing needs. Evaluate the -40°C to 85°C temperature range against the expected operating conditions of the final device to ensure long-term reliability.

Part Context

This part belongs to the RFMi SAW resonator family, which covers frequencies from approximately 30MHz to 3.7GHz. These components are engineered for robust performance in demanding RF environments. The RO3112A specifically targets the 433 MHz ISM band region, offering a balance of size, stability, and thermal resilience for modern electronic designs.

Replacement Considerations

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