SXT22420AA17-12.288M

Crystals Overview

The SXT22420AA17-12.288M is a 12.288 MHz AT-cut fundamental frequency crystal oscillator manufactured by Suntsu Electronics, Inc. It operates within the industrial temperature range of -40°C to +85°C with a maximum frequency tolerance and stability of ±50 ppm across the full temperature range. The component features a 20 pF load capacitance and a maximum equivalent series resistance (ESR) of 120 Ohms at this frequency. It utilizes a 4-pad surface-mount package measuring 2.5mm x 2.0mm, designed for high-density PCB layouts.

Crystals Feature Summary

• Four-pad ceramic surface-mount design provides enhanced grounding and electromagnetic interference shielding compared to two-terminal variants.
• AT-cut fundamental resonance architecture ensures stable oscillation with simplified circuit requirements.
• Industrial-grade thermal performance supports reliable operation in demanding environmental conditions.

Crystals Applications

• Bluetooth low energy modules
• Short-range wireless communication devices
• Industrial control systems

Crystals Procurement Notes

Verify the specific suffix configuration against the official datasheet to ensure compatibility with required load capacitance and tolerance specifications. Confirm that the 4-pad footprint matches the target PCB layout dimensions. Ensure procurement channels provide authentic components from Suntsu Electronics, Inc. to guarantee electrical parameter accuracy and long-term reliability.

Crystals Selection Notes

Select this component when space constraints require a 2.5x2.0mm footprint alongside robust EMI performance. The four-terminal structure offers superior noise immunity for sensitive RF circuits. Consider the 120 Ohm ESR limit during oscillator circuit design to ensure adequate start-up margins. This model suits applications requiring precise timing without excessive power consumption.

Crystals Part Context

This part belongs to the SXT224 series of industrial-grade crystals. The series emphasizes compactness and signal integrity for modern electronic designs. The specific model targets markets needing reliable clock sources in constrained physical spaces. It represents a balance between size reduction and electrical performance for professional applications.

Crystals Replacement Considerations

Direct substitutes must match the 12.288 MHz frequency, 20 pF load capacitance, and 4-pad 2520 package. Verify equivalent ESR limits and temperature stability ratings. Cross-reference pin configurations to ensure mechanical compatibility without redesigning the PCB footprint.