STDCSU2-20M

Overview

STDCSU2-20M is a surface-mount crystal oscillator manufactured by NDK. It operates at a nominal frequency of 20 MHz with a load capacitance of 8 pF and an equivalent series resistance of 100 Ohms. The device supports a frequency tolerance of ±50 ppm and stability of ±50 ppm. It utilizes a 2-SMD, no-lead package measuring 5.00mm x 3.20mm in size with a maximum height of 1.50mm. The component functions in fundamental mode and is rated for operation within a temperature range of -40°C to +85°C.

Feature Summary

• Surface-mount design compatible with automated assembly processes
• Fundamental mode operation for stable frequency generation
• RoHS compliant construction supporting environmental regulations

Applications

• General-purpose clock signal generation in embedded systems
• Timing reference sources for microcontroller units
• Communication interface synchronization circuits

Procurement Notes

Verify the specific frequency tolerance and stability requirements against the official NDK datasheet before procurement. Confirm that the 2-SMD package dimensions align with the target PCB footprint. Ensure the operating temperature range meets the environmental conditions of the final application. Cross-reference the manufacturer part number to avoid confusion with similar series components.

Selection Notes

Select this component when a 20 MHz fundamental mode crystal is required in a compact 2-SMD form factor. Consider the 100 Ohm ESR value for circuit compatibility. Evaluate the ±50 ppm tolerance against system timing accuracy needs. Verify that the 8 pF load capacitance matches the oscillator circuit design parameters.

Part Context

The STDCSU2-20M belongs to NDK's portfolio of surface-mount crystals designed for space-constrained applications. It represents a standard solution for 20 MHz timing needs in consumer and industrial electronics. The component adheres to RoHS standards and offers reliable performance across specified temperature ranges.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Consult the official NDK datasheet or authorized distributors for verified cross-reference information.