7B-30.000MBBJ-T

Crystals Overview

The TXC CORPORATION 7B-30.000MBBJ-T is a surface-mount quartz crystal resonator operating at a fundamental frequency of 30 MHz. It features a 4-SMD, no-lead package with dimensions of 5.00mm x 3.20mm and a maximum height of 1.05mm. The component provides a frequency stability and tolerance of ±30ppm at 25°C, extending to ±30ppm over the -20°C to +70°C operating temperature range. It utilizes a standard load capacitance of 18pF and exhibits a maximum equivalent series resistance (ESR) of 40 Ohms in the 12-48MHz base mode. The device supports base harmonic operation modes.

Crystals Feature Summary

• Compact 5.0x3.2mm SMD footprint designed for space-constrained PCB layouts
• High frequency stability with ±30ppm tolerance across specified industrial temperature ranges
• Optimized electromagnetic interference characteristics suitable for wireless communication links

Crystals Applications

• Bluetooth portable devices and wearables
• Wireless communication equipment
• Digital cameras and PDAs
• Mobile phones and USB interface cards

Crystals Procurement Notes

Verify current availability status as this part may be discontinued or subject to supply restrictions. Confirm RoHS3 compliance and MSL level 1 requirements during integration. Check for official product change notifications regarding manufacturing updates or obsolescence before finalizing procurement plans.

Crystals Selection Notes

Select this component when a small form factor quartz crystal is required for 30 MHz applications. Ensure circuit design accommodates the 18pF load capacitance and verify that the 40 Ohm ESR limit meets oscillator startup conditions. Consider the -20°C to +70°C temperature range suitability for the target environment.

Crystals Part Context

This model belongs to the TXC 7B series of缝焊 (seam-welded) surface-mount crystals. The series is engineered for high reliability and low EMI, targeting modern consumer electronics where size reduction and signal integrity are critical. It serves as a timing reference for digital logic and RF sections in compact mobile devices.

Crystals Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify if alternative frequencies or packages within the same series meet design requirements.