STDCRG2-27M

Overview

The STDCRG2-27M is a surface-mount crystal unit manufactured by NDK (NIHON DEMPA KOGYO CO., LTD). It operates at a nominal frequency of 27 MHz with a frequency tolerance of ±20ppm and stability of ±30ppm. The component features an equivalent series resistance (ESR) of 50 Ohms and a load capacitance of 8pF. It utilizes the NX3225GA series design, housed in a 4-SMD, no-lead package measuring 3.20mm x 2.50mm x 0.90mm. Designed for fundamental mode operation, it supports a wide operating temperature range from -40°C to 85°C.

Feature Summary

• Compliant with AEC-Q200 automotive qualification standards
• RoHS3 compliant construction without halogenated substances
• Moisture sensitivity level 1 (unlimited) for standard reflow processes

Applications

• Automotive electronic systems requiring AEC-Q200 certified components
• Industrial control circuits demanding stable clock signals
• Consumer electronics utilizing surface-mount assembly

Procurement Notes

Verify the specific ordering suffix against the official NDK datasheet to ensure correct frequency and tolerance specifications. Confirm that the required package dimensions and mounting style align with the target PCB layout. Check for any recent product change notifications or lifecycle status updates directly from the manufacturer before finalizing procurement plans.

Selection Notes

Select this component when a 27 MHz fundamental mode crystal is required for applications needing ±20ppm initial tolerance. The 50 Ohm ESR specification suits oscillator circuits designed for this impedance range. Ensure the operating environment remains within the specified -40°C to 85°C temperature limits for reliable performance.

Part Context

This part belongs to the NX3225GA series of SMD crystals from NDK. It shares the same physical footprint as other variants in the family but differs in electrical parameters such as frequency and ESR. The series is characterized by its small size and suitability for high-volume surface-mount manufacturing processes.

Replacement Considerations

STDCQS1-27M is listed as a substitute part number.