XTL751-S999-548

Crystals Overview

The Siward XTL751-S999-548 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 frequency tolerance of ±20 ppm. The component utilizes a 12.5 pF load capacitance and features an ESR of 90 kOhms. It is housed in an SMD1610 package, measuring 1.6 mm by 1.0 mm, suitable for compact electronic designs.

Crystals Feature Summary

• Precision 32.768 kHz tuning fork design for accurate clock generation
• Compact SMD1610 surface-mount footprint for space-constrained PCB layouts
• Stable frequency performance with ±20 ppm tolerance across operating conditions

Crystals Applications

• Real-time clock circuits in portable electronics
• Microcontroller system oscillators
• Low-power embedded device timing references

Crystals Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to ensure correct load capacitance and tolerance specifications. Confirm that the SMD1610 package dimensions align with your PCB footprint requirements. Cross-reference the part number with authorized distributors to guarantee authenticity and traceability of the quartz components.

Crystals Selection Notes

Select this component when a precise 32.768 kHz reference is required for low-frequency timing applications. Ensure the circuit design supports the specified 12.5 pF load capacitance to maintain accuracy. Consider the SMD1610 size constraints during layout planning. Verify that the ±20 ppm stability meets the system's timing requirements.

Crystals Part Context

This part belongs to the Siward XTL75 series of tuning fork crystals. These components are engineered for high-stability clock applications. The series offers various package options and electrical characteristics to suit different consumer and industrial electronic needs. Siward manufactures these using specialized quartz processing techniques.

Crystals Replacement Considerations

Compatible substitutes include other 32.768 kHz tuning fork crystals with identical SMD1610 footprints and 12.5 pF load capacitance. Verify equivalent ±20 ppm tolerance and similar ESR values before substitution. Ensure the replacement part maintains the same operating temperature range and mounting orientation.