XTL721-J67-109

Crystals Overview

The Siward XTL721-J67-109 is a surface-mount tuning fork crystal resonator designed for precision timing applications. It operates at a nominal frequency of 32.768 kHz with a fundamental operating mode. The component features a standard load capacitance of 12.5 pF and maintains a frequency tolerance of ±20 ppm across its operational range. It is housed in a compact 2-SMD package measuring 3.20mm x 1.50mm, with a maximum seated height of 0.90mm. The device is rated for an extended operating temperature range from -40°C to +85°C and complies with AEC-Q200 automotive standards.

Crystals Feature Summary

• AEC-Q200 qualified for automotive reliability requirements
• Fundamental mode operation ensures stable resonance
• Compact 3215 surface-mount footprint for space-constrained designs

Crystals Applications

• Automotive electronic systems requiring certified timing components
• Real-time clock circuits in consumer electronics
• Low-power embedded devices needing precise frequency references

Crystals Procurement Notes

Verify the specific suffix J67-109 against official Siward documentation to confirm exact electrical parameters and packaging specifications. Ensure compatibility with existing circuit load capacitance requirements. Confirm AEC-Q200 certification status if used in automotive contexts. Request manufacturer datasheets for detailed mechanical drawings and soldering profiles.

Crystals Selection Notes

Select this component when automotive-grade reliability is mandatory alongside standard 32.768 kHz timing needs. The 12.5 pF load capacitance suits most microcontroller interfaces. Consider the 3215 package size for PCB layout constraints. Verify temperature stability meets application requirements within the -40°C to +85°C range.

Crystals Part Context

This part belongs to the Siward XTL721 series of tuning fork crystals. The series specializes in low-frequency, high-stability oscillators for clock generation. The XTL721 line offers various package sizes and tolerance options to support diverse industrial and consumer applications.

Crystals Replacement Considerations

Cross-reference with other AEC-Q200 qualified 32.768 kHz SMD crystals from manufacturers like Epson or NDK. Ensure identical load capacitance and package dimensions for direct replacement.