7A-18.432MAAE-T

Crystals Overview

The FTS 7A-18.432MAAE-T is a fundamental mode quartz crystal oscillator designed for surface-mount applications. It operates at a nominal frequency of 18.432 MHz with a load capacitance of 12 pF and series resistance of 50 Ohms. The component features tight frequency tolerance and stability specifications of ±30 ppm across its operational range. Packaged in a compact 2-SMD, No Lead form factor measuring 5.0 x 3.1 mm with a maximum height of 1.35 mm, it supports temperatures from -20°C to +70°C. This device is currently classified as obsolete by the manufacturer.

Crystals Feature Summary

• Fundamental oscillation mode operation for precise timing signals
• Compact surface-mount package suitable for automated assembly
• Stable frequency performance within specified temperature ranges

Crystals Applications

• Clock generation for microprocessors and digital logic circuits
• Timing references for communication interfaces
• Frequency standards in consumer electronic devices

Crystals Procurement Notes

This component is officially listed as obsolete and no longer manufactured by FTS or TXC Corporation. Procurement should focus on identifying verified substitute parts or equivalent components that match the required electrical parameters and physical dimensions. Verify availability through authorized distributors for remaining stock or approved replacements before integration into new designs.

Crystals Selection Notes

When selecting alternatives, prioritize crystals with identical frequency, load capacitance, and package dimensions to ensure board compatibility. Verify that substitute components meet the same stability and temperature requirements. Check manufacturer documentation for cross-reference lists to confirm functional equivalence without redesigning the circuit layout.

Crystals Part Context

The 7A series represents a line of surface-mount quartz crystals widely used in timing applications. The 7A-18.432MAAE-T specifically targets the 18.432 MHz frequency point, common in video and data transmission systems. As an obsolete part, it belongs to a legacy product family where replacement strategies are necessary for ongoing production.

Crystals Replacement Considerations

Public sources indicate that equivalent and substitute parts are available for this 18.432 MHz quartz crystal. Users should consult official substitution guides or distributor cross-reference tools to identify compatible components that maintain the 12pF load and 2-SMD package profile.