XTL741-S999-327

Crystals Overview

The Siward XTL741-S999-327 is a surface-mount crystal designed for precision timing applications. It operates at a nominal frequency of 32.768 kHz with a frequency tolerance of ±20 ppm. The component utilizes an SMD2012-2P package and supports a load capacitance of 9 pF. It features a maximum series resistance of 80 kΩ, ensuring stable oscillation in low-power circuits. The device is rated for an operating temperature range of -40°C to +85°C and can withstand storage temperatures from -55°C to +125°C. This configuration makes it suitable for standard clock generation requirements.

Crystals Feature Summary

• Provides precise 32.768 kHz frequency reference
• Compact SMD2012-2P surface mount form factor
• Operates reliably within industrial temperature ranges

Crystals Applications

• Real-time clock (RTC) modules
• Microcontroller system clocks
• Low-frequency oscillator circuits

Crystals Procurement Notes

Verify the specific suffix codes against official datasheets to confirm exact electrical parameters such as load capacitance and tolerance. Ensure that the ordering information matches the required package dimensions and termination style. Cross-reference manufacturer part numbers with distributor listings to confirm authenticity and availability status before finalizing procurement decisions.

Crystals Selection Notes

Select this component when a compact, low-cost crystal solution is required for 32.768 kHz timing. Consider the 80 kΩ maximum ESR limit to ensure compatibility with the oscillator circuit's drive level requirements. Verify that the 9 pF load capacitance aligns with the host circuit design to maintain accurate frequency performance without additional tuning adjustments.

Crystals Part Context

This part belongs to the Siward XTL741 series of surface-mount crystals. The series offers various frequency options and package sizes tailored for consumer electronics and industrial control systems. The XTL741 model line emphasizes cost-effectiveness and reliability for mass-produced devices requiring stable low-frequency references.

Crystals Replacement Considerations

Compatible substitutes include the XTL741-S999-319, which shares similar specifications but may differ in load capacitance. Always verify pinout compatibility and thermal characteristics when replacing components to ensure circuit integrity.

Crystals FAQ

What is the maximum series resistance for this crystal?

The maximum series resistance is specified as 80 kΩ.

Does this component support industrial temperature ranges?

Yes, the operating temperature range extends from -40°C to +85°C.