QTM216-38.400MDD-T

Overview

The QTM216-38.400MDD-T is a quartz crystal resonator manufactured by QST, designed for precision timing applications. It operates at a fundamental frequency of 38.400 MHz. The component utilizes a surface mount technology (SMT) package, specifically the QTM216 form factor, which offers a compact footprint suitable for space-constrained electronic designs. This resonator is characterized by its stable oscillation properties and low phase noise performance, making it suitable for high-frequency signal generation in communication systems.

Feature Summary

• Compact surface mount design for automated assembly
• Stable frequency output at 38.400 MHz
• Optimized for low phase noise performance

Applications

• Wireless communication modules
• Clock generation circuits
• Data transmission interfaces

Procurement Notes

Verify the specific ordering suffix to ensure compatibility with required load capacitance and tolerance specifications. Confirm that the package dimensions align with the PCB land pattern guidelines provided in the official datasheet. Ensure storage conditions meet moisture sensitivity level requirements prior to reflow soldering processes.

Selection Notes

Select this component when a 38.400 MHz reference is required in a small SMT package. Consider the operating temperature range and load capacitance requirements of the host oscillator circuit. Evaluate the phase noise profile against system jitter budget constraints before finalizing the part selection.

Part Context

This model belongs to QST's QTM series of quartz crystal resonators. The series is engineered for general-purpose timing applications requiring reliable frequency stability. The QTM216 package represents a standard size within this lineup, balancing electrical performance with mechanical robustness for industrial and consumer electronics.

Replacement Considerations

Direct replacements must match the 38.400 MHz frequency, QTM216 package outline, and equivalent electrical characteristics. Verify load capacitance and ESR values against the original specification. Cross-reference with other manufacturers' 38.4 MHz SMD crystals ensuring identical pinout and mounting dimensions.