SXT21421CB27-18.432M

Crystals Overview

The SXT21421CB27-18.432M is a surface-mount crystal oscillator manufactured by Suntsu Electronics, Inc. It operates at a nominal frequency of 18.432 MHz with a load capacitance of 21 pF. The component features a frequency stability of ±30 ppm and a normal temperature frequency tolerance of ±25 ppm. It supports an operating temperature range from -20°C to +70°C and exhibits an equivalent series resistance of 200 Ohms. The device is housed in a compact 4-SMD, no-lead package suitable for automated assembly processes.

Crystals Feature Summary

• Surface-mount design for efficient PCB integration
• Stable frequency output within specified tolerance limits
• RoHS compliant construction for environmental safety

Crystals Applications

• Clock generation for microcontroller systems
• Timing reference for communication interfaces
• Oscillator circuits in consumer electronics

Crystals Procurement Notes

Verify the specific suffix CB27 against the manufacturer's official datasheet to confirm pin configuration and mechanical dimensions. Ensure the requested quantity matches available stock levels and check for RoHS compliance documentation prior to finalizing orders. Confirm lead-free status if required by project specifications.

Crystals Selection Notes

Select this component when a 18.432 MHz timing source is required with moderate stability requirements. The 21 pF load capacitance must match the circuit design parameters. Consider the -20°C to +70°C operating range to ensure functionality within the intended environmental conditions.

Crystals Part Context

This part belongs to the SXT214 series of surface-mount crystals from Suntsu Electronics. The series offers various frequency options and package types designed for general-purpose timing applications. The specific model indicates a standard commercial grade variant optimized for cost-effective mass production.

Crystals Replacement Considerations

Direct substitutes may include other 18.432 MHz crystals with identical 21 pF load capacitance and compatible footprint dimensions. Verify electrical parameters such as ESR and stability before substitution.