QTM532-25.000MBA-T

Overview

The QTM532-25.000MBA-T is a quartz crystal oscillator manufactured by QST, operating at a nominal frequency of 25.000 MHz. It utilizes CMOS output technology and requires a 3.3V supply voltage. The device features a 4-SMD, no-lead package with dimensions of 5.00mm x 3.20mm. Frequency stability is specified at ±25 ppm over the operating temperature range of -40°C to +85°C. The component serves as a precise clock signal source for digital circuits requiring accurate timing references.

Feature Summary

• CMOS output interface compatible with standard logic levels
• Compact surface-mount design suitable for space-constrained PCB layouts
• Wide industrial operating temperature range ensuring reliability in varied environments

Applications

• Digital communication systems requiring stable clock signals
• Microprocessor and microcontroller clock sources
• Data acquisition and processing equipment
• Consumer electronics with precision timing requirements

Procurement Notes

Verify the specific suffix 'B' against official QST documentation to confirm exact electrical tolerances and pin configuration. Ensure compatibility with 3.3V logic levels in the target circuit design. Confirm RoHS compliance status through manufacturer datasheets prior to integration into regulated products.

Selection Notes

Select this component when a 25 MHz CMOS clock source is required within a 5.0x3.2mm footprint. Consider the ±25 ppm stability specification against system timing budget requirements. Evaluate power consumption characteristics relative to other oscillators in the QTM532 series for optimal energy efficiency.

Part Context

This part belongs to the QTM532 series of surface-mount crystal oscillators from QST. The series offers various frequencies and packages, providing designers with flexible options for timing applications. The 25.000 MHz variant is commonly used in general-purpose digital electronics where moderate accuracy and low cost are prioritized.

Replacement Considerations

Direct substitutes include other QTM532-25.000MBA-T units or equivalent CMOS oscillators from different manufacturers with matching 25 MHz frequency, 3.3V supply, and 5.0x3.2mm package dimensions. Verify pinout compatibility and electrical specifications before substitution.