CSTCR4M20G55B-R0

Resonators Overview

The CSTCR4M20G55B-R0 is a CERALOCK ceramic resonator from Murata Electronics, designed for surface mount applications. It operates at a nominal frequency of 4.2 MHz with a tolerance of ±0.5%. The device features an integrated load capacitance of 39 pF and an impedance of 60 ohms. It supports a wide operating temperature range from -40°C to +125°C. The component utilizes SMD/SMT termination and measures 4.5 mm in length, 2 mm in width, and 1.15 mm in height.

Resonators Feature Summary

• Integrated internal capacitors eliminate the need for external components in oscillation circuits
• High stability across extended industrial temperature ranges
• Compact surface-mount package design facilitates automated assembly

Resonators Applications

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

Resonators Procurement Notes

Verify the specific suffix B against the official Murata datasheet to confirm the extended temperature rating and impedance characteristics. Ensure the ordering part number matches the required load capacitance and frequency tolerance for the target circuit design before finalizing procurement.

Resonators Selection Notes

Select this component when a cost-effective, compact timing solution is required for microcontroller interfaces. The built-in capacitor simplifies PCB layout by reducing component count. Verify that the 60-ohm impedance aligns with the oscillator circuit requirements of the host processor.

Resonators Part Context

This part belongs to the CSTCR_G_B series of CERALOCK ceramic resonators. It represents a small-cap chip type piezoelectric device manufactured by Murata Electronics. The series is engineered to provide stable frequency generation while minimizing board space consumption compared to traditional crystal assemblies.

Resonators Replacement Considerations

CSTCR4M20G55-R0