RO3156E

Overview

The RO3156E is a Surface Acoustic Wave (SAW) resonator manufactured by RFMi, an Akoustis brand. It operates at a center frequency of 868.95 MHz with a tolerance of 200 kHz and a load capacitance of 2.3 pF. The component exhibits a frequency stability of 32 ppb and functions within a temperature range of -40°C to +125°C. It utilizes a 6-SMD, No Lead package with dimensions of 3.00mm x 3.00mm. The device supports SMD/SMT termination styles and is designed for high-reliability applications requiring precise frequency control in wireless communication systems.

Feature Summary

• Utilizes Surface Acoustic Wave technology for stable RF signal generation
• Qualified under AEC-Q200 standards for automotive reliability requirements
• Supports PPAP documentation for integration into OEM manufacturing processes
• Compliant with RoHS directives for environmental safety

Applications

• Wireless communication modules operating in the 868 MHz ISM band
• Automotive telematics and remote keyless entry systems
• Industrial IoT devices requiring robust frequency stability
• Smart home appliances with wireless connectivity features

Procurement Notes

Verify that the specific order suffix matches the required tolerance and packaging configuration. Confirm compliance with AEC-Q200 qualification if the application involves automotive electronics. Ensure soldering profiles adhere to the specified thermal limits of 220°C for 50-80 seconds or 260°C peak for 10 seconds maximum five times. Check for RoHS compliance status prior to final procurement approval.

Selection Notes

Select this component when a SAW resonator with 868.95 MHz center frequency and 200 kHz tolerance is required. Consider the 32 ppb frequency stability for applications demanding high precision over wide temperature ranges. The 3.00mm x 3.00mm package size suits compact PCB layouts. Verify compatibility with existing circuit designs regarding the 2.3 pF load capacitance requirement.

Part Context

RFMi, now part of Akoustis, specializes in RF components using SAW, crystal, and ceramic technologies. The RO3156E belongs to their SAW resonator portfolio, designed for digital and wireless applications. This product line emphasizes reliability through IATF16949-certified manufacturing processes. The component serves as a critical frequency-determining element in modern wireless transceivers.

Replacement Considerations

Cross-reference with other 868.95 MHz SAW resonators from Murata or Akoustis. Verify equivalent electrical parameters including frequency tolerance, load capacitance, and temperature stability. Ensure mechanical footprint compatibility with the 6-SMD No Lead package before substitution.

FAQ

What is the maximum number of reflow cycles allowed?

The component supports a maximum of five reflow cycles.

Is the RO3156E suitable for automotive applications?

Yes, it is AEC-Q200 qualified and supports PPAP for automotive use.