QTM325-25.000MBE-T

Overview

The QTM325-25.000MBE-T is a surface-mount CMOS quartz crystal oscillator manufactured by QST. It operates at a nominal frequency of 25 MHz with a frequency stability of ±50 ppm across the industrial temperature range of -40°C to +85°C. The device requires a nominal supply voltage of 3.3V and utilizes a 4-SMD, no-lead package measuring 3.2mm x 2.5mm x 1.0mm. It features a standard clock output suitable for timing applications in electronic circuits.

Feature Summary

• CMOS output signal generation for digital logic interfacing
• Industrial temperature range operation from -40°C to +85°C
• Compact 3.2mm x 2.5mm surface mount footprint

Applications

• General purpose timing reference for embedded systems
• Clock source for microcontrollers and processors
• Data communication interface synchronization

Procurement Notes

Verify the specific manufacturer designation as listings may attribute this part to TXC Corporation or QST. Confirm the package dimensions and electrical specifications match the required design constraints before procurement. Ensure the ordering suffix corresponds to the desired tape and reel configuration for automated assembly processes.

Selection Notes

Select this component when a 25 MHz CMOS clock signal is required within a 3.2x2.5mm SMD footprint. Consider the ±50 ppm stability requirement against system timing tolerance needs. Verify compatibility with 3.3V logic levels and ensure the operating temperature range meets the environmental conditions of the target application.

Part Context

This oscillator belongs to the QTM325 series, which provides standardized timing solutions in a compact form factor. The series supports various frequencies and stability options, allowing designers to maintain consistent mechanical footprints while adjusting electrical performance parameters for different circuit requirements.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Cross-referencing should be performed using exact frequency, stability, package size, and supply voltage specifications to identify compatible alternatives.