CSTCR4M91G53-R0

Resonators Overview

The CSTCR4M91G53-R0 is a small-cap chip type ceramic resonator from Murata Electronics, operating at a nominal frequency of 4.91 MHz. It features a tolerance of ±0.5% and a frequency stability of ±0.2%. The component utilizes a surface-mount (SMD/SMT) termination style with dimensions of 4.5 mm in length and 2 mm in width. It includes an integrated load capacitance of 15 pF and operates within a temperature range of -20°C to +80°C.

Resonators Feature Summary

• Integrates internal capacitors for simplified circuit design
• Provides high frequency stability with ±0.2% accuracy
• Offers compact surface-mount package for space-constrained applications

Resonators Applications

• Microcontroller clock sources
• Communication module timing
• Embedded system oscillators

Resonators Procurement Notes

Verify the specific suffix G53 against official Murata documentation to ensure correct tolerance and packaging specifications. Confirm RoHS compliance status via the manufacturer's current datasheet before finalizing procurement orders. Cross-reference the part number with authorized distributors to avoid counterfeit components.

Resonators Selection Notes

Select this component when a precise 4.91 MHz reference is required for microcontroller or logic circuits. Ensure the operating environment stays within the specified -20°C to +80°C range. Verify that the target circuit impedance matches the built-in 15 pF load capacitance to maintain optimal frequency accuracy.

Resonators Part Context

This part belongs to the CERALOCK series, designed as a cost-effective alternative to quartz crystals. It offers comparable performance for many digital applications while simplifying layout requirements through integrated capacitors. The SMD format supports automated assembly processes.

Resonators Replacement Considerations

Check for direct substitutes within the same CERALOCK family with identical frequency and tolerance. Verify pin compatibility and electrical parameters before substituting with other manufacturers' ceramic resonators.