9B-48.000MFEQ-B

Crystals Overview

The TXC Corporation 9B-48.000MFEQ-B is a through-hole quartz crystal resonator operating at a fundamental frequency of 48 MHz. It features a frequency stability of ±15 ppm and a load capacitance of 10 pF. The component utilizes the HC-49/US package style with a maximum height of 13.7 mm. It supports a wide operating temperature range from -20°C to +70°C and exhibits an equivalent series resistance (ESR) of 80 Ohms. This device is designed for standard surface or through-hole mounting applications requiring precise timing signals.

Crystals Feature Summary

• Fundamental mode operation ensures stable oscillation at 48 MHz
• HC-49/US package provides robust mechanical support for through-hole assembly
• ±15 ppm frequency tolerance maintains timing accuracy across the operational temperature range

Crystals Applications

• Microcontroller clock sources
• Communication interface timing circuits
• Digital logic synchronization

Crystals Procurement Notes

Verify the specific suffix requirements against the manufacturer's current datasheet, as ordering codes may dictate exact electrical tolerances and packaging configurations. Confirm that the HC-49/US footprint aligns with the target PCB design constraints. Ensure the selected variant meets the required thermal specifications for the intended operating environment before finalizing procurement orders.

Crystals Selection Notes

Select this component when a through-hole mounting solution is preferred over surface mount alternatives for improved mechanical durability. The 48 MHz frequency is suitable for USB interfaces and various serial communication protocols. Consider the 10 pF load capacitance requirement to ensure compatibility with the oscillator circuit's internal capacitance values for optimal frequency performance.

Crystals Part Context

The 9B series represents a standard line of through-hole quartz crystals manufactured by TXC Corporation. These components are widely used in consumer electronics and industrial equipment where reliable timing references are critical. The HC-49/US form factor is a legacy but enduring standard in the industry, offering a balance between size and power handling capabilities for general-purpose timing applications.

Crystals Replacement Considerations

QT325G-48.000MAHE-T by QST is listed as a parameter-equivalent alternative.