QTM216J-1.8432MBJ-T

Overview

The QTM216J-1.8432MBJ-T is a standard CMOS quartz oscillator manufactured by QST, designed for surface-mount applications. It operates at a frequency of 1.8432 MHz with a supply voltage of 3.3V and features enable/disable functionality. The device exhibits a frequency stability of ±50ppm and supports an operating temperature range from -40°C to +105°C. It is housed in a compact 4-SMD, no-lead package measuring 2.0mm x 1.6mm. The maximum supply current is 22mA, and it holds AEC-Q100 automotive ratings.

Feature Summary

• Automotive-grade reliability certified under AEC-Q100 standards
• Compact 2.0mm x 1.6mm surface-mount footprint
• Integrated enable and disable control logic
• Wide industrial temperature operation capability

Applications

• Automotive electronic systems requiring precise timing
• Industrial control circuits
• Consumer electronics with space constraints

Procurement Notes

Verify the specific suffix 'MBJ' against official QST documentation to confirm the exact voltage, stability, and package variant. Ensure the ordering part number matches the required 3.3V supply and ±50ppm stability specifications. Confirm that the AEC-Q100 rating aligns with your application's environmental requirements before finalizing procurement.

Selection Notes

Select this component when a small form factor is critical for PCB layout. The 3.3V CMOS output interface is suitable for standard digital logic families. Consider the ±50ppm stability if higher precision is not required. The wide temperature range makes it appropriate for harsh environments where standard commercial parts may fail.

Part Context

This oscillator belongs to the QTM216J series, which provides low-jitter clock signals in a miniature package. The series is designed to replace larger through-hole or standard SMD oscillators in modern miniaturized designs. It offers a balance between size, power consumption, and performance for general-purpose timing applications.

Replacement Considerations

Direct substitutes must match the 1.8432MHz frequency, 3.3V supply, and 2.0x1.6mm package dimensions. Verify pin compatibility and electrical characteristics such as jitter and phase noise. Cross-reference with other manufacturers offering AEC-Q100 qualified 4-SMD oscillators if availability is an issue.