STDCSF4-7.5M

Overview

The STDCSF4-7.5M is a surface-mount crystal resonator manufactured by NDK (NIHON DEMPA KOGYO CO., LTD). It operates at a fundamental frequency of 7.5 MHz with a load capacitance of 8 pF. The component exhibits a frequency tolerance of ±20 ppm and a frequency stability of ±30 ppm. It features an equivalent series resistance (ESR) of 250 Ohms maximum. The device is housed in a compact 2-SMD, No Lead package with dimensions of 5.00 mm x 3.20 mm and a maximum height of 1.50 mm. Designed for base mode operation, it supports a commercial operating temperature range of -10°C to +70°C.

Feature Summary

• Compact 2-SMD no-lead surface mount package suitable for space-constrained designs
• Fundamental mode operation providing stable oscillation at 7.5 MHz
• Integrated design supporting standard load capacitance requirements

Applications

• General purpose clock signal generation in consumer electronics
• Timing reference sources for microcontroller-based systems
• Communication interface circuits requiring moderate frequency stability

Procurement Notes

Verify the specific manufacturing date code and lot traceability upon receipt to ensure compliance with project quality standards. Confirm that the delivered components match the specified 2-SMD package dimensions and electrical parameters outlined in the official datasheet. Ensure storage conditions adhere to moisture sensitivity level guidelines prior to soldering to maintain long-term reliability and performance integrity.

Selection Notes

Select this component when a 7.5 MHz fundamental frequency is required within a small footprint. The 8 pF load capacitance must align with the oscillator circuit design. Consider the ±20 ppm tolerance and -10°C to +70°C temperature range against application requirements. The 250 Ohm ESR specification should be compatible with the driving circuit's impedance constraints to ensure reliable startup and sustained oscillation.

Part Context

This part belongs to NDK's SMD crystal resonator portfolio, utilizing quartz crystal technology for precise timing applications. NDK manufactures these components at facilities including its Suzhou production site, emphasizing high frequency stability and compact form factors. The STDCSF4 series represents a standard commercial-grade offering designed for mass-produced electronic devices requiring reliable clock signals.

Replacement Considerations

STDCSF4-8M