7M-25.000MEIE-T

Crystals Overview

The 7M-25.000MEIE-T is a surface-mount quartz crystal oscillator manufactured by TXC Corporation. It operates at a nominal frequency of 25 MHz with a fundamental operating mode. The component features a frequency tolerance of ±10 ppm at 25°C and ±20 ppm over the operating temperature range of -40°C to +85°C. It utilizes a load capacitance of 12 pF and has an equivalent series resistance (ESR) of 50 Ohms. The physical package dimensions are 3.2 mm in length, 2.5 mm in width, and 0.7 mm in height, utilizing a four-pad SMD configuration.

Crystals Feature Summary

• Seam seal construction for enhanced environmental reliability
• Compact 3.2mm x 2.5mm surface mount footprint
• High stability frequency performance across industrial temperature ranges

Crystals Applications

• Reference clocks for portable consumer electronics
• Digital still cameras (DSC)
• USB interface circuits
• Notebook computers

Crystals Procurement Notes

Verify the specific suffix MEIE against official TXC documentation to confirm the exact electrical tolerances and packaging details. Ensure compatibility with the target circuit's load capacitance requirements before integration. Cross-reference the datasheet for RoHS compliance status and recommended soldering profiles to guarantee assembly integrity and long-term operational reliability.

Crystals Selection Notes

Select this component when a compact, high-stability 25 MHz reference is required for space-constrained designs. The ±10 ppm initial tolerance suits applications demanding precise timing accuracy. Consider the 12 pF load capacitance requirement to ensure proper oscillation. This series offers a balance of size and performance suitable for modern mobile and digital devices.

Crystals Part Context

This part belongs to the 7M series of seam-sealed MHz quartz crystals from TXC Corporation. These components are designed for general-purpose clock generation in digital systems. The series emphasizes miniaturization while maintaining robust frequency stability, making it a standard choice for mainstream consumer electronics and computing hardware requiring reliable timing signals.

Crystals Replacement Considerations

Direct substitutes include other 7M series variants such as 7M-25.000MAHJ-T or 7M-25.000MEIK-T, provided their electrical parameters match the design requirements. Verify pinout compatibility and package dimensions to ensure mechanical fit without PCB redesign.

Crystals FAQ

What is the frequency tolerance at 25°C?

The frequency tolerance is ±10 ppm at 25°C.

What is the operating temperature range?

The specified operating temperature range is -40°C to +85°C.