7B-25.000MAGJ-T

Crystals Overview

The TXC Corporation 7B-25.000MAGJ-T is a surface-mount glass-sealed quartz crystal operating at a nominal frequency of 25 MHz. It features a compact 5.0 mm x 3.2 mm footprint with a maximum height of 1.05 mm. The component provides a frequency tolerance and stability of ±30 ppm at both 25°C and the -20°C to +70°C operating range. It utilizes a load capacitance of 18 pF and exhibits an equivalent series resistance (ESR) of 40 Ohms for the 12-48 MHz fundamental mode.

Crystals Feature Summary

• Glass-sealed SMD construction for enhanced environmental reliability
• Optimized EMI performance suitable for wireless communication links
• Compact 5x3.2 mm package design conserving PCB space

Crystals Applications

• Bluetooth portable devices
• Wireless communication equipment
• Digital cameras
• USB interface cards

Crystals Procurement Notes

Verify the specific suffix against official datasheets to confirm exact electrical parameters, as variations exist within the 7B series. Confirm RoHS compliance status and lead times directly with authorized distributors or the manufacturer. Ensure the selected variant matches the required load capacitance and frequency stability specifications for the target application circuit.

Crystals Selection Notes

Select this component when a small form factor is critical for wearable or handheld electronics. The 25 MHz frequency is standard for microcontroller clocks and serial interfaces. Verify that the 40 Ohm ESR aligns with the oscillator circuit requirements to ensure reliable startup. Consider the ±30 ppm stability sufficient for general consumer applications requiring moderate precision.

Crystals Part Context

This part belongs to the TXC 7B series, which specializes in small-volume SMD crystals designed for modern consumer electronics. The series addresses the industry trend toward miniaturization while maintaining signal integrity. It serves as a direct replacement for larger traditional packages like HC-49S in space-constrained designs.

Crystals Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material.