QT252S-16.000MEEQ-T

Overview

The QT252S-16.000MEEQ-T is a surface-mount crystal oscillator manufactured by QST, operating at a nominal frequency of 16 MHz. It features a load capacitance of 10 pF and an equivalent series resistance (ESR) of 100 Ohms. The component exhibits a frequency tolerance and stability of ±10 ppm. Designed for reliability in electronic circuits, it supports an operating temperature range from -20°C to +70°C. The physical package dimensions are 2.5 x 2 x 0.55 mm, utilizing a four-terminal no-lead SMD configuration suitable for automated assembly processes.

Feature Summary

• Surface-mount design with compact 4-SMD no-lead package
• High frequency stability of ±10 ppm for precise timing applications
• Operational capability across extended industrial temperature ranges

Applications

• Microcontroller clock sources
• Communication module timing references
• Digital signal processing circuits

Procurement Notes

Verify the specific ordering suffix to ensure compatibility with required frequency tolerance and load capacitance specifications. Confirm that the package dimensions align with the designated PCB footprint and soldering profile requirements. Cross-reference the manufacturer's latest documentation to validate environmental compliance and material composition data prior to final procurement decisions.

Selection Notes

Select this component when a stable 16 MHz reference is required within a constrained surface-mount area. Ensure the circuit design accommodates the specified 10 pF load capacitance to maintain accurate frequency output. Evaluate the thermal environment to confirm operation remains within the -20°C to +70°C range for optimal performance and longevity.

Part Context

This part belongs to the QT252S series of quartz crystals, characterized by small form factors and high stability. It serves as a fundamental passive timing element in modern electronics, replacing larger through-hole alternatives. The series is engineered for consistent performance in consumer and industrial devices requiring reliable clock signals.

Replacement Considerations

Direct substitutes must match the 16 MHz frequency, 10 pF load capacitance, and identical 2.5x2mm package dimensions. Verify ESR values and frequency stability tolerances to ensure functional equivalence without redesigning the host circuitry.