CSTCR4M20G55Z-R0

Resonators Overview

The CSTCR4M20G55Z-R0 is a surface-mount ceramic resonator manufactured by Murata Electronics under the CERALOCK series. It operates at a nominal frequency of 4.2 MHz with a tolerance of ±0.3%. The component features an integrated load capacitance of 39 pF and an impedance of 60 Ohms. Designed for SMD/SMT applications, it measures 4.5 mm in length, 2 mm in width, and 1.15 mm in height. The device supports a wide operating temperature range from -40°C to +125°C, ensuring reliability in demanding environments.

Resonators Feature Summary

• Integrates built-in capacitors to simplify circuit design
• Provides high frequency stability across extended temperature ranges
• Utilizes small-cap chip type construction for compact mounting

Resonators Applications

• Microcontroller clock sources
• Communication module timing circuits
• Industrial control system oscillators

Resonators Procurement Notes

Verify the specific suffix Z indicates the extended temperature range and tighter tolerance compared to standard variants. Confirm the package dimensions match the PCB footprint requirements. Ensure the load capacitance aligns with the target oscillator circuit specifications before finalizing procurement orders.

Resonators Selection Notes

Select this model when a precise 4.2 MHz reference is required with minimal external component usage. The wide temperature rating makes it suitable for automotive or industrial sectors. Compare against standard tolerance versions if cost sensitivity outweighs the need for ±0.3% accuracy.

Resonators Part Context

This part belongs to the CSTCR_G family of ceramic resonators. It shares physical dimensions with other members but differs in electrical parameters such as frequency and tolerance. The Z suffix typically denotes specific performance enhancements within the product line.

Resonators Replacement Considerations

CSTCR4M20G55-R0 offers similar form factor but may differ in tolerance and temperature range specifications.