QT216S-45.1584MEIQ-T

Overview

The QT216S-45.1584MEIQ-T is a quartz crystal resonator manufactured by QST (Shanghai Silicon Ray Technology). It operates at a fundamental frequency of 45.1584 MHz with a load capacitance of 15 pF. The component utilizes an SMD package, specifically the 3215 (3.2mm x 1.5mm) surface-mount footprint, ensuring compatibility with automated assembly processes. This series is designed for precision timing applications requiring stable oscillation.

Feature Summary

• Provides precise frequency stability for clock generation circuits
• Utilizes surface-mount technology for compact PCB integration
• Engineered for low phase noise performance in digital systems

Applications

• Microcontroller clock sources
• Communication module timing references
• Consumer electronics oscillator circuits

Procurement Notes

Verify the specific load capacitance and tolerance requirements against your circuit design before ordering. Ensure the selected package size matches your PCB footprint constraints. Confirm that the operating temperature range aligns with your application environment to guarantee long-term reliability and frequency stability.

Selection Notes

Select this component when a 45.1584 MHz reference is required for digital signal processing or communication interfaces. Consider the 15 pF load capacitance requirement for oscillator circuit tuning. Evaluate the 3215 package dimensions for space-constrained designs compared to larger through-hole alternatives.

Part Context

This part belongs to QST's standard quartz crystal resonator portfolio, which supports various frequencies and packages for embedded systems. The QT216S series represents their surface-mount offerings, balancing performance with manufacturing efficiency. These components are commonly used in IoT devices and industrial controllers where reliable timing is critical.

Replacement Considerations

Check for direct cross-references from manufacturers like Epson, NDK, or TXC offering identical 45.1584 MHz specifications in 3215 packages. Verify pin-out compatibility and electrical parameters such as ESR and motional capacitance to ensure seamless substitution without circuit redesign.