CSTCR4M55G55-R0

Resonators Overview

The Murata Electronics CSTCR4M55G55-R0 is a small-cap chip type ceramic resonator from the CERALOCK series. It operates at a nominal frequency of 4.5 MHz with an initial tolerance of ±0.5%. The component features a surface mount (SMD/SMT) three-pin package measuring 4.5 mm in length, 2 mm in width, and 1.15 mm in height. It has a load capacitance of 39 pF and supports a temperature range from -20°C to +80°C.

Resonators Feature Summary

• Integrates oscillator circuitry within the ceramic package for simplified design
• Provides stable frequency generation with high reliability
• Utilizes a compact surface-mount form factor for space-constrained applications

Resonators Applications

• Microcontroller clock sources
• Communication interface timing
• General-purpose digital logic circuits

Resonators Procurement Notes

Verify the specific suffix and frequency code against official Murata documentation to ensure compatibility with target circuit load capacitance requirements. Confirm that the operating temperature range meets the environmental specifications of the end application before procurement.

Resonators Selection Notes

Select this component when a cost-effective alternative to quartz crystals is required for moderate stability applications. Ensure the system design accommodates the specified load capacitance of 39 pF to maintain accurate frequency performance within the stated tolerance limits.

Resonators Part Context

This part belongs to the CSTCR_G series of CERALOCK ceramic resonators. These components are designed as drop-in replacements for quartz crystals in many applications, offering reduced assembly costs and simpler circuit designs while maintaining adequate frequency stability for standard digital systems.

Resonators Replacement Considerations

Direct substitutes include other Murata CERALOCK parts with matching 4.5 MHz frequency and 39 pF load capacitance, such as CSTCR4M50G55-R0 or CSTCR5M00G53-R0, provided the frequency difference is acceptable for the application.