SXT2249BB38-40.000M

Crystals Overview

The SXT2249BB38-40.000M is a surface-mount crystal oscillator manufactured by Suntsu Electronics, Inc. It operates at a nominal frequency of 40 MHz with a load capacitance of 9 pF and an equivalent series resistance of 50 Ohms. The component utilizes a 4-SMD, No Lead package configuration. Frequency stability is rated at ±30 ppm, ensuring reliable timing performance for digital circuits requiring precise clock signals.

Crystals Feature Summary

• Surface-mount design for automated assembly
• High frequency stability for precision timing
• Lead-free construction compliant with environmental standards

Crystals Applications

• Microcontroller clock sources
• Communication interface synchronization
• Digital signal processing systems

Crystals Procurement Notes

Verify part authenticity through official manufacturer channels or authorized distributors. Confirm that the received components match the specified 40 MHz frequency and 9 pF load capacitance. Check for physical damage to the SMD contacts. Ensure storage conditions maintain component integrity before soldering.

Crystals Selection Notes

Select this component when a 40 MHz reference is required in space-constrained designs. The 4-SMD package offers low profile suitable for modern PCB layouts. Consider the ±30 ppm tolerance against system timing requirements. Evaluate thermal performance if operating near the upper temperature limits.

Crystals Part Context

This part belongs to the SXT2249 series of surface-mount crystals from Suntsu Electronics. The series provides various frequency options within a standardized footprint. The BB38 suffix indicates specific packaging and handling characteristics common to this product line.

Crystals Replacement Considerations

Direct substitutes must match the 40 MHz frequency, 9 pF load capacitance, and 4-SMD no-lead package. Verify equivalent ESR and stability ratings. Cross-reference with other manufacturers offering compatible surface-mount crystals for supply chain resilience.