QTM252-51.557344MBD-T

Overview

The QTM252-51.557344MBD-T is a standard CMOS quartz oscillator manufactured by QST, operating at a frequency of 51.557344 MHz. It utilizes a 4-SMD, No Lead package with dimensions of 2.5x2.0 mm. The device supports a supply voltage range typically including 1.8V and 3.3V options, featuring low jitter and phase noise characteristics suitable for precision timing applications.

Feature Summary

• Low jitter and phase noise performance for signal integrity
• CMOS output interface compatible with standard logic levels
• Compact 2.5x2.0 mm surface-mount package design

Applications

• High-speed data communication interfaces
• Network equipment clocking
• Consumer electronics timing references

Procurement Notes

Verify the specific suffix codes against official QST documentation to confirm voltage and temperature ratings. Ensure the ordering part number matches the required frequency tolerance and load capacitance specifications before procurement to avoid functional mismatches in circuit design.

Selection Notes

Select this component when a precise 51.557344 MHz reference is required in space-constrained designs. Consider the available supply voltage options and operating temperature range relative to the target application environment. Confirm compatibility with the host system's input impedance and drive requirements.

Part Context

This oscillator belongs to the QTM252 series from QST, which focuses on compact timing solutions. The series offers various frequencies and packages, providing flexibility for different electronic designs requiring stable clock signals in minimal footprint configurations.

Replacement Considerations

Cross-reference with other QTM252 variants or equivalent 2.5x2.0 mm CMOS oscillators from manufacturers like TXC or SiTime. Verify pinout compatibility and electrical parameter equivalence before substitution.