STDCIC1-27.6M

Overview

The STDCIC1-27.6M is a surface-mount quartz crystal resonator manufactured by NDK, operating at a nominal frequency of 27.6 MHz. It features a load capacitance of 8 pF and an equivalent series resistance (ESR) of 150 Ohms. The component exhibits a frequency tolerance of ±10 ppm and a frequency stability of ±10 ppm. Designed for base fundamental mode operation, it utilizes a 4-SMD, no-lead package with dimensions of 3.20 mm x 2.50 mm and a maximum height of 0.60 mm. The device is RoHS compliant and classified under ECCN EAR99.

Feature Summary

• Provides precise timing signals for digital circuits through stable quartz resonance
• Supports automated assembly via compact surface-mount packaging format
• Maintains frequency accuracy within specified tolerance limits for reliable clock generation

Applications

• Clock signal generation in microcontroller systems
• Timing reference for communication interface modules
• Frequency source for embedded digital logic circuits

Procurement Notes

Verify the specific ordering suffix against official NDK documentation to confirm exact electrical parameters and packaging configuration. Ensure compatibility with design-in requirements regarding load capacitance and ESR values. Confirm that the selected variant meets all necessary environmental certifications and compliance standards required for the target application before finalizing procurement orders.

Selection Notes

Select this component when a 27.6 MHz frequency is required with tight ±10 ppm tolerance specifications. Consider the 150 Ohm ESR value for oscillator circuit design compatibility. Evaluate the 4-SMD package size constraints against available PCB real estate. Verify that the operational temperature range aligns with the intended system environment requirements.

Part Context

This part belongs to NDK's portfolio of surface-mount crystal resonators designed for general electronic applications. NDK manufactures these components using proprietary quartz cultivation technologies to ensure high frequency stability. The company supplies these devices to global electronics manufacturers requiring reliable timing solutions for consumer and industrial products.

Replacement Considerations

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