QTM252E-37.400MBM-T

Overview

The QTM252E-37.400MBM-T is a 37.4 MHz standard quartz crystal oscillator (XO) manufactured by QST. It utilizes CMOS output technology with low electromagnetic interference characteristics. The device operates on a 3.3V supply voltage and features an enable/disable function for power management. Frequency stability is rated at ±50ppm, ensuring precise timing performance. The component supports an operating temperature range of -40°C to +125°C and draws a maximum supply current of 10mA. It is housed in a compact 4-SMD, no lead package suitable for surface mount applications.

Feature Summary

• Low EMI CMOS output signal generation
• Enable/Disable control functionality
• Wide industrial temperature range operation

Applications

• Timing and clock generation in electronic devices
• Embedded systems requiring precise frequency references
• Industrial equipment needing wide temperature stability

Procurement Notes

Verify the specific frequency tolerance and package dimensions against the official QST datasheet before integration. Confirm that the 3.3V logic levels are compatible with the target circuit interface. Ensure the enable pin configuration aligns with system power sequencing requirements. Check for RoHS compliance documentation if environmental regulations apply to the final product assembly process.

Selection Notes

Select this component when a stable 37.4 MHz reference is required with low electromagnetic interference emissions. The wide temperature range makes it suitable for harsh environments. Consider the enable feature for power-sensitive designs. Compare size constraints against the 4-SMD package footprint. Evaluate current consumption needs against the 10mA maximum rating.

Part Context

This part belongs to the QTM252E series of quartz oscillators from QST Products, LLC. The series offers various frequencies within a standardized small form factor. These components are designed for general-purpose timing applications where reliability and low noise are critical. The model suffix indicates specific electrical parameters and packaging options unique to this variant.

Replacement Considerations

Direct substitutes include other QTM252E variants with matching 37.4 MHz frequency and ±50ppm stability. Verify pin compatibility and voltage levels when cross-referencing with similar low EMI CMOS oscillators from different manufacturers.