STDCSW2-24.576M

Overview

The STDCSW2-24.576M is a surface-mount quartz crystal resonator manufactured by NDK (NIHON DEMPA KOGYO CO., LTD). It operates at a fundamental frequency of 24.576 MHz with a frequency stability and tolerance of ±10 ppm. The component features a load capacitance of 10 pF and an equivalent series resistance (ESR) of 60 Ohms. It utilizes a 4-SMD, no-lead package with dimensions of 2.50mm x 2.00mm x 0.65mm maximum height. Designed for base mode operation, it functions within a temperature range of -10°C to +60°C and complies with RoHS standards.

Feature Summary

• Provides precise oscillation source for digital circuits
• Surface-mount design for automated assembly
• Fundamental mode operation for stable frequency generation

Applications

• Microcontroller clock sources
• Communication module timing
• Digital signal processing systems

Procurement Notes

Verify the specific suffix matches the required frequency tolerance and load capacitance for your circuit design. Confirm that the 4-SMD footprint aligns with your PCB layout constraints. Ensure the operating temperature range meets your application's environmental requirements. Check for RoHS compliance if restricted substances are prohibited in your manufacturing process.

Selection Notes

Select this component when a 24.576 MHz reference is required for UART or baud rate generation. Consider the 10pF load capacitance compatibility with the oscillator circuit's input capacitance. Evaluate the 60 Ohm ESR against the oscillator driver strength to prevent overdriving. Compare package dimensions against available board space for SMD placement.

Part Context

This part belongs to the STD-CSW-2 series of surface-mount crystals from NDK. These components are designed as cost-effective alternatives to larger through-hole crystals while maintaining similar electrical performance characteristics. The series supports various frequencies commonly used in data communication and microcontroller applications.

Replacement Considerations

Direct substitutes include parts from other manufacturers offering identical 24.576 MHz frequency, 10pF load capacitance, and 4-SMD 2.5x2.0mm footprint. Verify pinout compatibility and mechanical height restrictions before substitution.