7M25000019

Crystals Overview

The TXC Corporation 7M25000019 is a surface-mount passive quartz crystal resonator designed for precision timing applications. It operates at a nominal frequency of 25 MHz with a total frequency tolerance of ±10 ppm and a temperature stability of ±10 ppm across the operating range. The component utilizes an AT-cut fundamental mode to ensure stable oscillation without harmonic complications. It features a compact 3.2 mm x 2.5 mm SMD package with four terminals, suitable for automated assembly processes. The device supports a maximum drive level of 100 µW and includes RoHS compliance for environmental safety standards.

Crystals Feature Summary

• AT-cut fundamental mode operation ensures stable oscillation without harmonic matching requirements
• Compact 3.2 mm x 2.5 mm surface-mount package facilitates automated PCB assembly
• High frequency stability of ±10 ppm across specified industrial temperature ranges
• RoHS compliant construction for environmentally safe electronic integration

Crystals Applications

• Microcontroller clock generation circuits
• Industrial data gateway timing references
• Consumer electronics internal synchronization
• Communication interface standard clocks

Crystals Procurement Notes

Verify that the ordered part matches the exact manufacturer number 7M25000019 to ensure correct load capacitance and frequency tolerance specifications. Confirm the package type corresponds to the 4-SMD No Lead configuration required by the design footprint. Check datasheet revisions to validate current manufacturing status and any potential parameter updates. Ensure supply chain sources provide authentic components from authorized channels to prevent counterfeit risks in production environments.

Crystals Selection Notes

Select this component when a 25 MHz reference is required for space-constrained designs utilizing the 3225 footprint. The ±10 ppm stability is sufficient for general-purpose digital logic and communication interfaces but may not meet stringent requirements for high-precision networking equipment. Consider the 100 µW drive level limit to prevent over-driving the oscillator circuit, which could accelerate aging or cause frequency shifts during operation.

Crystals Part Context

This model belongs to the TXC 7M series of surface-mount crystals, characterized by small form factors and standardized electrical parameters. The series provides various frequency options within the same physical envelope to simplify inventory management. As a passive resonator, it requires external amplifier circuitry to function, distinguishing it from active oscillator modules that generate square waves internally.

Crystals Replacement Considerations

Cross-reference with other manufacturers offering 25 MHz crystals in 3.2x2.5mm packages with ±10 ppm tolerance. Verify equivalent load capacitance values to maintain circuit stability. Ensure replacement parts meet the same thermal and mechanical reliability standards for industrial applications.