CSTCR4M50G55-R0

Resonators Overview

The CSTCR4M50G55-R0 is a small-cap chip type ceramic resonator from Murata Electronics' CERALOCK series. It operates at a nominal frequency of 4.5 MHz with a tolerance of ±0.5%. The component features an integrated load capacitance of 39 pF and an impedance of 60 Ohms. Designed for surface mount technology (SMD/SMT), it measures 4.5 mm in length and 2 mm in width. The device supports an operating temperature range from -20°C to +80°C.

Resonators Feature Summary

• Integrates built-in capacitors to simplify circuit design
• Offers high frequency stability within a compact SMD package
• Provides cost-effective alternative to crystal oscillators

Resonators Applications

• Microcontroller clock sources
• Communication module timing circuits
• Consumer electronics control boards

Resonators Procurement Notes

Verify the complete part number including the suffix to ensure correct load capacitance and tolerance specifications. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure PCB footprint matches the specified 4.5 mm by 2 mm dimensions for proper surface mounting.

Resonators Selection Notes

Select this component when a stable 4.5 MHz reference is required without external tuning capacitors. Consider the ±0.5% tolerance for precision applications. Evaluate the 60 Ohm impedance against driver circuit capabilities. Compare thermal performance against the -20°C to +80°C operational limits.

Resonators Part Context

This part belongs to the CSTCR_G series of CERALOCK ceramic resonators. These components are designed as direct replacements for quartz crystals in many applications, offering reduced assembly costs due to integrated capacitors. The series provides various frequencies and package sizes for diverse electronic designs.

Resonators Replacement Considerations

Direct substitutes include other Murata ceramic resonators with identical 4.5 MHz frequency and 39 pF load capacitance. Verify mechanical dimensions and impedance characteristics before substitution.