SXT21420AA17-18.432M

Crystals Overview

The SXT21420AA17-18.432M is a surface-mount crystal oscillator manufactured by Suntsu Electronics, Inc., designed for precise frequency generation in electronic circuits. It operates at a nominal frequency of 18.432 MHz with a load capacitance of 20 pF and an equivalent series resistance of 200 Ohms. The component features a frequency stability of ±50 ppm and functions within a temperature range of -10°C to +70°C. It utilizes a 4-SMD, no-lead package with dimensions of 2.00mm x 1.60mm (0.079" L x 0.063" W).

Crystals Feature Summary

• Provides stable frequency generation at 18.432 MHz with ±50 ppm accuracy.
• Designed for surface-mount assembly using a compact 4-SMD no-lead package.
• Operates reliably within a commercial temperature range of -10°C to +70°C.

Crystals Applications

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

Crystals Procurement Notes

Verify the specific suffix 'M' against the manufacturer's official datasheet to confirm tolerance and packaging details. Ensure compatibility with the target circuit's load capacitance requirements of 20pF. Check RoHS compliance status if required by project specifications. Confirm that the operating temperature range meets environmental constraints.

Crystals Selection Notes

Select this component when a 18.432 MHz reference is required for surface-mount designs. Consider the ±50 ppm stability for applications not demanding high precision. Evaluate the 200 Ohm ESR against oscillator circuit capabilities. Ensure the 4-SMD footprint fits the PCB layout constraints.

Crystals Part Context

This part belongs to the SXT21420 series of surface-mount crystals from Suntsu Electronics. The series offers various frequencies while maintaining consistent electrical characteristics such as 20pF load capacitance. It serves as a fundamental timing element for digital electronics requiring stable clock signals.

Crystals Replacement Considerations

Direct substitutes include other 18.432 MHz crystals with identical 4-SMD no-lead packages and 20pF load capacitance. Verify pinout compatibility and mechanical dimensions before substitution. Cross-reference stability and temperature ranges to ensure functional equivalence.