CSTCR4M00G55B-R0

Resonators Overview

The CSTCR4M00G55B-R0 is a small-cap chip type ceramic resonator from Murata Electronics, part of the CERALOCK series. It operates at a nominal frequency of 4 MHz with a tolerance of ±0.5% and frequency stability of ±0.15%. The device features a built-in load capacitance of 39 pF and utilizes SMD/SMT termination for surface mount installation. Physical dimensions are 4.5 mm in length, 2 mm in width, and approximately 1.19 mm in height. It functions within an operating temperature range of -40°C to +125°C.

Resonators Feature Summary

• Integrated piezoelectric ceramic resonator with built-in capacitors for simplified circuit design
• High-temperature stability suitable for demanding automotive environments
• Compact surface-mount package optimized for automated assembly processes

Resonators Applications

• Microcomputer time base oscillators for automotive applications
• Engine control units and electronic power steering systems
• xEV powertrains and battery management systems

Resonators Procurement Notes

Verify component authenticity through authorized Murata distributors or certified partners. Confirm RoHS compliance status and REACH SVHC declarations prior to integration. Ensure storage conditions maintain moisture sensitivity level integrity. Validate that the specific suffix matches project requirements for frequency and tolerance specifications.

Resonators Selection Notes

Select this component when high-frequency stability and wide temperature operation are required for automotive microcontrollers. The integrated capacitor reduces external component count compared to discrete crystal solutions. Consider the ±0.5% tolerance for precision timing needs where standard ceramic resonators may be insufficient.

Resonators Part Context

This part belongs to the CERALOCK CSTCR_G_B series of piezoelectric ceramic resonators designed specifically for automotive-grade reliability. It serves as a cost-effective alternative to quartz crystals while offering superior vibration resistance and thermal stability for harsh vehicle environments.

Resonators Replacement Considerations

Public confirmed substitute: CSTNR4M00GH5C000R0.