QTM252-49.156915MBD-T

Overview

The QTM252-49.156915MBD-T is a standard CMOS output crystal oscillator manufactured by QST. It operates at a nominal frequency of 49.156915 MHz and utilizes a 4-SMD, No Lead package with dimensions of 2.50mm x 2.00mm. The device supports an operating temperature range from -40°C to 85°C and features surface mount mounting. It includes Enable/Disable functionality and is RoHS compliant.

Feature Summary

• CMOS output signal generation for digital timing applications
• Integrated enable and disable control function
• Surface mount design in a compact 4-SMD no lead package

Applications

• General purpose clock signal distribution
• Embedded system timing references
• Digital circuit synchronization

Procurement Notes

Verify the specific ordering suffix against official QST documentation to ensure correct pinout and electrical specifications. Confirm that the component meets required environmental standards for the target application. Cross-reference the manufacturer part number with authorized distributor catalogs to validate authenticity and current production status before finalizing procurement orders.

Selection Notes

Select this component when a precise 49.156915 MHz reference is required in a constrained PCB area. The CMOS output interface simplifies integration with standard logic families. Ensure the thermal environment remains within the specified -40°C to 85°C operational range to maintain frequency stability and device longevity during continuous operation.

Part Context

This oscillator belongs to the QTM252 series from QST, a supplier specializing in timing devices and ICs. The series provides various frequency options in standardized surface mount packages. QST, headquartered in California, focuses on providing reliable timing solutions for electronic systems requiring stable clock signals.

Replacement Considerations

Direct substitutes require matching the 49.156915 MHz frequency, CMOS output type, and 4-SMD footprint. Verify equivalent operating temperature ranges and enable/disable functionality. Consult official cross-reference lists for compatible alternatives from other manufacturers.