STDCRG2-20M

Overview

The STDCRG2-20M is a surface-mount MHz crystal manufactured by NDK. It operates at a nominal frequency of 20 MHz with a frequency tolerance of ±20ppm and stability of ±30ppm. The component features an 8pF load capacitance and 50 Ohms equivalent series resistance (ESR). It utilizes a 4-SMD, No Lead package measuring 3.20mm x 2.50mm x 0.90mm maximum height. Designed for fundamental mode operation, it supports a temperature range of -40°C to +85°C and complies with RoHS specifications.

Feature Summary

• Fundamental mode quartz crystal resonator designed for surface-mount applications
• Compact 4-SMD footprint suitable for space-constrained circuit boards
• Wide operating temperature range supporting industrial environments

Applications

• General-purpose clock signal generation in embedded systems
• Microcontroller and processor timing references
• Communication interface circuits requiring stable frequency sources

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the target circuit design before procurement. Confirm that the 4-SMD package dimensions align with the PCB footprint guidelines. Ensure the selected supplier provides authentic components from NDK or authorized channels to guarantee performance consistency and reliability in final assembly processes.

Selection Notes

Select this component when a compact surface-mount crystal is required for 20 MHz applications. Consider the ±20ppm tolerance and 8pF load capacitance compatibility with the oscillator circuit. Evaluate the -40°C to +85°C temperature range against environmental conditions. Compare ESR values with other available options to ensure proper oscillation startup and stability within the specific application constraints.

Part Context

This part belongs to the STD-CRG-2 series from NDK, focusing on standard-sized surface-mount crystals. The NX3225GA series designation indicates a specific form factor optimized for automated assembly. NDK manufactures these components using培育人工水晶 technology, ensuring high frequency stability and reliability across various electronic markets including consumer electronics and industrial equipment.

Replacement Considerations

Direct substitutes include other 20 MHz, 8pF, 4-SMD crystals with similar ESR and tolerance ratings. Verify pin compatibility and thermal characteristics when cross-referencing with alternative manufacturers. Ensure replacement parts meet the same RoHS compliance and moisture sensitivity level requirements.