CSTCR4M19G55Z-R0

Resonators Overview

The CSTCR4M19G55Z-R0 is a small-cap chip type ceramic resonator from Murata Electronics' CERALOCK series. It operates at a nominal frequency of 4.19 MHz with a tolerance of ±0.5%. The device features a built-in load capacitance of 39 pF and an impedance of 60 Ohms. Designed for surface mount applications, it measures 4.5 mm in length and 2 mm in width. The component supports a wide operating temperature range from -40°C to +125°C.

Resonators Feature Summary

• Integrates internal capacitors to simplify circuit design
• Provides stable oscillation across extended temperature ranges
• Offers high reliability through robust ceramic construction

Resonators Applications

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

Resonators Procurement Notes

Verify the specific suffix Z against official Murata documentation to confirm package and tolerance variations. Ensure compatibility with standard SMT reflow profiles. Cross-reference the 39 pF internal capacitance requirement with the target oscillator circuit design to prevent frequency deviation.

Resonators Selection Notes

Select this component when a precise 4.19 MHz reference is required within harsh thermal environments. The integrated capacitor reduces external component count. Verify that the 60 Ohm impedance matches the driving capability of the host microcontroller or logic gate.

Resonators Part Context

This part belongs to the CSTCR_G series of CERALOCK ceramic resonators. It utilizes piezoelectric ceramic technology to generate stable frequencies. The series is characterized by compact dimensions and high stability compared to traditional crystal units.

Resonators Replacement Considerations

Direct substitutes include CSTCR4M19G55-R0 and CSTCR4M19G55B-R0. Verify that alternative suffixes match the required temperature range and tolerance specifications before implementation.