CSTCR4M91G55-R0

Resonators Overview

The CSTCR4M91G55-R0 is a small-cap chip type ceramic resonator manufactured by Murata Electronics. It operates at a nominal frequency of 4.91 MHz with a tolerance of ±0.5% and stability of ±0.2%. The device features a built-in load capacitance of 39 pF and a resonant impedance of 60 ohms. Designed for surface mount applications, it measures 4.5 mm in length and 2 mm in width. The component supports an operating temperature range from -40°C to +125°C and utilizes SMD/SMT termination styles.

Resonators Feature Summary

• Integrates built-in capacitors to eliminate external components
• Provides high-density mounting with low profile design
• Supports wide temperature operation ranges

Resonators Applications

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

Resonators Procurement Notes

Verify the specific suffix against official Murata documentation to ensure accurate frequency and tolerance specifications. Confirm that the required operating temperature range aligns with the component's rated limits. Ensure compatibility with standard surface mount assembly processes. Cross-reference part numbers to avoid confusion with similar series variants.

Resonators Selection Notes

Select this component when a precise ceramic resonator solution is required for cost-sensitive designs. The integrated capacitor simplifies circuit layout compared to discrete crystal setups. Consider the 60-ohm impedance for driver compatibility. Evaluate thermal requirements against the specified operational limits before finalizing the design.

Resonators Part Context

This part belongs to the CERALOCK CSTCR series, which are designed as compact alternatives to traditional quartz crystals. The series emphasizes ease of use in consumer electronics and industrial applications where space constraints are critical. It represents Murata's focus on miniaturized timing solutions.

Resonators Replacement Considerations

Direct substitutes include CSTCR4M91G55B-R0 for enhanced temperature stability. Verify pinout compatibility and electrical parameters when considering alternative manufacturers' ceramic resonators.