7B-8.000MDBJ-T

Crystals Overview

The 7B-8.000MDBJ-T is an 8 MHz surface-mount crystal manufactured by TXC Corporation. It operates within a -20°C to +70°C temperature range with a frequency stability of ±20 ppm. The component features a 5 mm x 3.2 mm package and utilizes a CMOS-compatible output format. Key electrical specifications include a load capacitance of 18 pF, a maximum equivalent series resistance (ESR) of 100 Ω for the 8–12 MHz fundamental mode, and a drive level ranging from 1 to 100 μW. The unit supports SMD/SMT termination types.

Crystals Feature Summary

• Ultra-miniature 5x3.2mm SMD form factor designed for space-constrained PCB layouts
• Optimized EMI characteristics suitable for wireless communication applications
• High Q-factor and low phase noise performance for stable signal generation

Crystals Applications

• Bluetooth portable devices
• Wireless communication equipment
• Digital cameras
• Personal Digital Assistants (PDA)
• USB interface cards

Crystals Procurement Notes

Verify the specific suffix MDBJ against official datasheets to confirm the exact frequency tolerance and temperature range parameters. Ensure compatibility with the target circuit's load capacitance requirements before integration. Confirm current availability status as product status may vary across distributors.

Crystals Selection Notes

Select this component for designs requiring compact footprint and reliable frequency control in consumer electronics. Evaluate the 100 Ω ESR limit against oscillator circuit capabilities to ensure proper startup. Consider the -20°C to +70°C operating range against environmental conditions.

Crystals Part Context

This part belongs to the TXC 7B series, which specializes in ultra-miniature, thin crystals with low series resistance. The series targets high-accuracy timing needs for modern mobile and wireless devices, offering improved reliability over traditional HC-49S packages while maintaining RoHS compliance.

Crystals Replacement Considerations

Check for direct substitutes within the same 7B series or compatible 5032 package crystals from other manufacturers. Verify that alternative parts match the 8 MHz frequency, 18 pF load capacitance, and ±20 ppm stability requirements.