SXT21421DC17-50.000M

Crystals Overview

The SXT21421DC17-50.000M is a surface-mount crystal oscillator manufactured by Suntsu Electronics, Inc., designed for precise timing applications. It operates at a fundamental frequency of 50.000 MHz with a load capacitance of 21 pF and an equivalent series resistance of 60 Ohms. The component is housed in a compact 4-SMD, no-lead package to facilitate automated assembly processes. Frequency tolerance specifications vary across sources, citing either ±20 ppm or ±25 ppm stability. The device supports an operating temperature range of -10°C to +70°C, ensuring reliable performance in standard commercial environments while maintaining strict frequency accuracy requirements.

Crystals Feature Summary

• Surface-mount design utilizing a 4-SMD no-lead package for efficient PCB integration
• Fundamental mode operation at 50 MHz with 21 pF load capacitance specification
• Low equivalent series resistance of 60 Ohms for stable oscillation characteristics
• Commercial grade temperature rating supporting operation from -10°C to +70°C

Crystals Applications

• Microcontroller clock source generation
• Communication module timing references
• Digital signal processing circuit synchronization

Crystals Procurement Notes

Verify the specific frequency tolerance requirement against project specifications, as available documentation cites both ±20 ppm and ±25 ppm values for this part number. Confirm the operating temperature range aligns with the intended environmental conditions, noting the specified -10°C to +70°C limit. Ensure the 4-SMD footprint matches the target PCB layout dimensions. Cross-reference the datasheet directly with the manufacturer to validate electrical parameters before finalizing procurement decisions.

Crystals Selection Notes

Select this component when a 50 MHz surface-mount crystal is required for commercial-grade applications. The 21 pF load capacitance must match the oscillator circuit design. Consider the ±20/25 ppm stability for moderate precision needs. The 4-SMD package suits high-volume automated assembly. Verify thermal constraints against the -10°C to +70°C operational window. This part serves as a direct replacement for similar 50 MHz SMD crystals within the same family.

Crystals Part Context

This model belongs to the SXT21421 series of surface-mount crystals from Suntsu Electronics, Inc. The series offers various frequency options and tolerance grades. The SXT21421DC17 variant specifically denotes the 50 MHz frequency with defined electrical characteristics. It shares the physical 4-SMD package form factor with other frequencies in the lineup, allowing for consistent mechanical design across different timing requirements within electronic systems.

Crystals Replacement Considerations

Direct substitutes include other 50 MHz SMD crystals with matching 21 pF load capacitance and 4-SMD packaging. Verify compatibility regarding frequency tolerance and temperature range. Check pinout and footprint dimensions to ensure mechanical interchangeability. Consult manufacturer cross-reference lists for validated alternative part numbers.