SXT21419DD07-18.432M

Crystals Overview

The SXT21419DD07-18.432M is a surface-mount crystal oscillator manufactured by Suntsu Electronics, Inc. It operates at a fundamental frequency of 18.432 MHz with a load capacitance of 19 pF and an equivalent series resistance of 200 Ohms. The component utilizes a 4-SMD, No Lead package configuration. Frequency stability is rated at ±20 ppm over an operating temperature range of 0°C to +70°C. This device is designed for precise timing applications requiring compact form factors and reliable performance within specified thermal limits.

Crystals Feature Summary

• Surface-mount design utilizing a 4-SMD, No Lead package for automated assembly integration
• Fundamental frequency operation at 18.432 MHz with 19 pF load capacitance specification
• Frequency stability maintained within ±20 ppm tolerance across the operational temperature range

Crystals Applications

• Microcontroller clock sources
• Communication interface timing circuits
• Digital signal processing systems

Crystals Procurement Notes

Verify the complete part number including suffixes against official manufacturer documentation to ensure correct frequency and tolerance specifications. Confirm package dimensions and pinout compatibility with PCB footprint designs prior to procurement. Check current availability status through authorized distributors as stock levels may fluctuate. Ensure compliance with RoHS directives if required by project specifications.

Crystals Selection Notes

Select this component when a 18.432 MHz reference is required in a small surface-mount footprint. Consider the ±20 ppm stability requirement against system timing accuracy needs. Evaluate the 0°C to +70°C operating range against environmental conditions. Compare load capacitance requirements with oscillator circuit design parameters to ensure proper frequency loading.

Crystals Part Context

This crystal belongs to the SXT214 series from Suntsu Electronics, Inc., which offers various frequency options in similar surface-mount packages. The series provides alternatives for different timing frequencies while maintaining consistent physical dimensions and mounting characteristics. Engineers often select from this family based on specific frequency requirements without altering board layout constraints.

Crystals Replacement Considerations

Direct substitutes include other 18.432 MHz crystals in 4-SMD No Lead packages with matching 19 pF load capacitance and ±20 ppm stability. Verify that alternative manufacturers offer components with identical or superior ESR ratings and temperature ranges to ensure functional equivalence.