SXT32420DA16-18.432M

Crystals Overview

The SXT32420DA16-18.432M is a surface-mount quartz crystal resonator manufactured by Suntsu Electronics, Inc. It operates at a fundamental frequency of 18.432 MHz with a frequency tolerance of ±20 ppm. The component features a load capacitance of 20 pF and an equivalent series resistance (ESR) of 70 Ohms. It is housed in a compact 4-SMD, No Lead package designed for automated assembly processes. The device is compliant with RoHS standards and is lead-free, ensuring environmental safety for electronic manufacturing applications.

Crystals Feature Summary

• Surface-mount design compatible with standard reflow soldering processes
• High stability frequency output suitable for precision timing circuits
• RoHS compliant construction supporting environmentally responsible production

Crystals Applications

• Microcontroller clock sources requiring precise timing references
• Communication modules utilizing standard baud rates derived from 18.432 MHz
• Embedded systems needing stable oscillator inputs for data processing

Crystals Procurement Notes

Verify the specific suffix DA16 against your bill of materials to ensure correct packaging and tape-and-reel specifications. Confirm that the 20 pF load capacitance matches your circuit design requirements. Check for RoHS compliance documentation if environmental regulations apply to your final product assembly.

Crystals Selection Notes

Select this component when a 18.432 MHz frequency is required for UART or SPI interfaces. Ensure the PCB footprint matches the 4-SMD no-lead dimensions. Consider the 70 Ohm ESR value for oscillator circuit stability calculations. Verify temperature range requirements against the datasheet specifications before finalizing the design.

Crystals Part Context

This part belongs to the SXT324 series of tuning fork crystals from Suntsu Electronics. The series offers various frequencies optimized for digital communication protocols. The 18.432 MHz variant is commonly used in legacy serial communication standards and modern embedded controllers requiring exact bit-rate generation without fractional dividers.

Crystals Replacement Considerations

Direct substitutes must match the 18.432 MHz frequency, 20 pF load capacitance, and 4-SMD no-lead package. Verify ESR values near 70 Ohms to maintain oscillator startup reliability. Cross-reference pinout configurations to ensure compatibility with existing footprints.