RQRA-0140-0250

Overview

The RQRA-0140-0250 is a surface-mount ceramic resonator manufactured by Raltron Electronics. It operates at a nominal frequency of 140 MHz with a tolerance of ±0.05%. The device features a load capacitance of 18 pF and utilizes an SMD package for automated assembly. This component is designed to provide stable clock signals in electronic circuits requiring precise timing.

Feature Summary

• Surface-mount construction for automated PCB assembly
• High stability ceramic resonator technology
• Low profile design suitable for space-constrained applications

Applications

• Microcontroller clock generation
• Digital signal processing circuits
• Communication equipment timing references

Procurement Notes

Verify the specific manufacturer datasheet for the RQRA-0140-0250 to confirm RoHS compliance status and detailed reflow soldering profiles. Ensure that the selected supplier provides traceability documentation matching the original manufacturer's specifications for quality assurance purposes.

Selection Notes

Select this component when a precise 140 MHz reference is required in a compact surface-mount form factor. Consider the 18 pF load capacitance requirement to ensure proper oscillation with the target microcontroller or logic circuit. Evaluate thermal management needs against the specified operating temperature range.

Part Context

This part belongs to Raltron Electronics' portfolio of passive components, specifically within their line of timing devices. Ceramic resonators like this model offer a cost-effective alternative to crystal oscillators while maintaining sufficient accuracy for many digital logic applications.

Replacement Considerations

Direct substitutes must match the 140 MHz frequency, ±0.05% tolerance, and 18 pF load capacitance. Verify pin compatibility and package dimensions before integrating any cross-manufacturer alternatives into the existing design.