SXT22420DB48-12.288M

Crystals Overview

The SXT22420DB48-12.288M is a surface-mount crystal oscillator manufactured by Suntsu Electronics, Inc., operating at a fundamental frequency of 12.288 MHz. It features a 4-SMD, no-lead package with dimensions of 2.5mm x 2.0mm. The component exhibits a frequency tolerance of ±20ppm and a stability of ±30ppm. It utilizes a load capacitance of 20pF and has an equivalent series resistance (ESR) of 120 Ohms. The device is designed for precision timing applications requiring reliable performance in compact electronic systems.

Crystals Feature Summary

• Four-pad surface mount design provides enhanced electromagnetic interference shielding compared to two-pin variants.
• Fundamental AT-cut quartz construction ensures stable oscillation without the need for additional matching inductors.
• Compact 2.5mm x 2.0mm footprint supports high-density board layouts in space-constrained wireless devices.

Crystals Applications

• Bluetooth Low Energy (BLE) modules
• Short-range wireless communication devices
• Industrial control systems with dense PCB layouts

Crystals Procurement Notes

Verify the specific suffix codes against the manufacturer's official naming convention to ensure correct load capacitance and tolerance specifications. Confirm that the 4-SMD no-lead package matches your automated pick-and-place equipment requirements. Cross-reference the ESR value with your circuit design to guarantee proper startup conditions under all operating temperatures.

Crystals Selection Notes

Select this component when a small form factor is required alongside improved EMI performance over standard two-pin crystals. The 20pF load capacitance is suitable for many common microcontroller interfaces. Consider the 120 Ohm ESR value during circuit design to ensure adequate drive level margins. This model is appropriate for projects where spatial constraints limit the use of larger industrial-grade packages.

Crystals Part Context

This part belongs to the SXT224 series, which focuses on providing industrial-grade reliability in miniature packages. The series is engineered for applications demanding high frequency stability in harsh environments. The four-terminal configuration distinguishes it from basic consumer-grade crystals by offering better noise immunity. It serves as a direct replacement for larger crystals where board space is at a premium.

Crystals Replacement Considerations

Direct substitutes include other SXT224 series variants with different frequencies or tolerances, such as SXT22419DB48-12.288M. Ensure any replacement maintains the 4-SMD no-lead package type. Verify that the new part's ESR and load capacitance are compatible with the existing oscillator circuit to prevent startup failures.