7B-20.000MAAJ-T

Crystals Overview

The 7B-20.000MAAJ-T is a surface-mount crystal oscillator manufactured by TXC Corporation, also referenced under FTS branding in distributor listings. It operates at a fundamental frequency of 20 MHz with a load capacitance of 18 pF and a frequency tolerance of 30 ppm. The component supports an operating temperature range of -20°C to +70°C and features an equivalent series resistance (ESR) of 40 Ohms. The physical package dimensions are 5.0x3.1 mm.

Crystals Feature Summary

• Fundamental mode operation for stable frequency generation
• Surface mount design for automated PCB assembly
• RoHS compliant construction

Crystals Applications

• Microcontroller clock sources
• Communication interface timing
• General-purpose digital circuit oscillators

Crystals Procurement Notes

Verify manufacturer status as the part is listed as obsolete by TXC Corporation. Confirm availability through authorized distributors or approved substitute components such as the 7M-20.000MAAJ-T. Ensure compatibility with existing PCB footprints and thermal requirements before procurement.

Crystals Selection Notes

Select this component for applications requiring a 20 MHz fundamental frequency with 18 pF load capacitance. Consider the -20°C to +70°C temperature range suitability for the specific environment. Evaluate the 40 Ohm ESR against circuit drive level requirements to ensure proper oscillation stability.

Crystals Part Context

This crystal belongs to the standard surface-mount crystal family designed for general electronic timing applications. It provides a fixed frequency reference for digital systems. The 7B series typically utilizes a ceramic or metal package suitable for reflow soldering processes common in modern electronics manufacturing.

Crystals Replacement Considerations

The 7M-20.000MAAJ-T is identified as a similar available substitute from TXC Corporation. Verify pinout compatibility and electrical parameters before substitution.