QTM252-11.2896MBE-T

Overview

The QTM252-11.2896MBE-T is a standard CMOS quartz oscillator manufactured by QST Products, LLC. It operates at a frequency of 11.2896 MHz and utilizes a surface-mount ceramic package with dimensions of 2.5 x 2.0 mm. The device functions on a 3.3V supply voltage and provides a frequency stability of ±50 ppm across an operating temperature range of -40°C to +85°C.

Feature Summary

• Generates precise timing signals using a CMOS output interface for digital circuit integration.
• Utilizes a compact ceramic surface-mount package designed for automated PCB assembly processes.

Applications

• Real-time clock circuits requiring stable timekeeping references
• Microcontroller system clock generation
• Communication interface synchronization

Procurement Notes

Verify the manufacturer designation carefully, as this component type appears in catalogs under both TXC Corporation and QST Products. Confirm that the specific suffix matches the required frequency and tolerance specifications. Ensure the package footprint aligns with the design layout before finalizing procurement orders.

Selection Notes

Select this model when a 11.2896 MHz reference is needed for serial communication baud rates or microcontroller clocks. The ±50 ppm stability suits general-purpose timing applications. Consider the -40°C to +85°C range for industrial environments. Verify the 3.3V logic compatibility with the target system voltage levels.

Part Context

This component belongs to the QTM252 series of miniature quartz oscillators. The series offers various frequencies within a standardized 2.5x2.0mm footprint. It serves as a direct replacement for other SMD oscillators requiring similar timing characteristics in space-constrained electronic designs.

Replacement Considerations

QTM252-11.2896MBJ-T (Low Jitter variant)

FAQ

What is the output load specification?

Electrical specifications are typically specified with a 15pF output load.

Is this a low jitter oscillator?

No, this is a standard oscillator. Low jitter variants are designated with the 'J' suffix, such as QTM252J.