QT161S-38.400MEEC-T

Overview

The QST QT161S-38.400MEEC-T is a surface-mount quartz crystal resonator designed for precision timing applications. It operates at a fundamental frequency of 38.4 MHz with a load capacitance of 9 pF. The component exhibits a frequency stability of ±10 ppm at 25°C and maintains this tolerance across an operating temperature range of -20°C to +70°C. Packaged in a compact 1.6 x 1.2 mm SMD footprint, it features low equivalent series resistance and high reliability suitable for space-constrained electronic designs.

Feature Summary

• Compact surface-mount design optimized for automated assembly processes
• High frequency stability ensuring precise timing accuracy under thermal variations
• Low profile package structure facilitating integration into dense circuit boards

Applications

• Microcontroller clock sources
• Communication module timing references
• Portable electronic device oscillators

Procurement Notes

Verify the specific suffix MEEC confirms the required ±10 ppm stability and -20°C to +70°C temperature range. Ensure the 9 pF load capacitance matches the target oscillator circuit requirements. Confirm RoHS compliance status through official manufacturer documentation before finalizing procurement orders.

Selection Notes

Select this component when a small form factor is critical alongside moderate frequency stability requirements. Compare against higher stability variants if wider temperature ranges are needed. Ensure the oscillator circuit supports the specified 9 pF load capacitance to achieve accurate frequency output without additional trimming adjustments.

Part Context

This part belongs to the QT161S series of ultra-small quartz crystals from QST. The series offers various stability and temperature options denoted by suffix letters. The MEEC suffix specifically defines the ±10 ppm stability and commercial temperature range specifications for this particular model variant.

Replacement Considerations

Direct substitutes include other 38.4 MHz crystals in 1.6x1.2mm packages with 9pF load capacitance. Verify that alternative parts match the ±10 ppm stability and -20°C to +70°C operating range. Check equivalent series resistance values to ensure circuit compatibility.