SXT21418EC48-18.432M

Crystals Overview

The SXT21418EC48-18.432M 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 18 pF. The component exhibits a frequency stability of ±15 ppm and a frequency tolerance of ±15 ppm. It features an equivalent series resistance (ESR) of 200 Ohms and supports a wide operating temperature range from -40°C to +85°C. The device utilizes a 4-SMD, no-lead package configuration suitable for automated assembly processes.

Crystals Feature Summary

• Fundamental mode operation ensures precise timing accuracy
• Wide industrial temperature range capability
• Surface-mount design for compact integration

Crystals Applications

• Precision timing in telecommunications equipment
• Clock generation for microprocessor systems
• Embedded control applications requiring stable oscillation

Crystals Procurement Notes

Verify the specific suffix codes against official Suntsu documentation to confirm exact electrical parameters and packaging specifications. Ensure compatibility with reflow soldering profiles defined in the manufacturer's datasheet. Confirm RoHS compliance status through certified test reports prior to procurement.

Crystals Selection Notes

Select this component when a 18.432 MHz reference signal is required with ±15 ppm stability. Consider the 18 pF load capacitance requirement for circuit matching. Evaluate the 200 Ohm ESR against oscillator circuit drive level constraints. Assess thermal requirements against the -40°C to +85°C operational limit.

Crystals Part Context

This part belongs to the SXT214 series of surface-mount crystals. It shares the 4-SMD no-lead form factor with other variants in the family but differs in frequency and electrical characteristics. The series provides standardized mounting solutions for various timing applications across consumer and industrial sectors.

Crystals Replacement Considerations

Direct substitutes include SXT21418CC48-18.432M and SXT21419EC48-18.432M from the same manufacturer. Verify pinout compatibility and electrical parameter alignment before substitution. Cross-reference with other manufacturers' 18.432 MHz crystals only if mechanical and electrical specs match exactly.