AS-20.500MAHQ-B

Crystals Overview

The AS-20.500MAHQ-B is a HC49 surface-mount crystal oscillator manufactured by FTS. It operates at a fundamental frequency of 20.500 MHz with a load capacitance of 10 pF. The component exhibits a frequency tolerance and stability of ±30 ppm. This lead-free, RoHS-compliant device is designed for precision timing applications requiring stable oscillation within standard industrial temperature ranges.

Crystals Feature Summary

• HC49 surface-mount package design for compact circuit integration
• Lead-free construction compliant with RoHS standards
• Fundamental mode operation ensuring precise frequency generation

Crystals Applications

• General purpose clock signal generation in electronic circuits
• Timing reference sources for microcontroller systems
• Communication interface synchronization modules

Crystals Procurement Notes

Verify the specific suffix 'HQ' against official FTS documentation to confirm exact electrical characteristics and pinout configuration. Ensure that the selected variant matches the required load capacitance and stability specifications for the target application environment. Cross-reference the datasheet for any updates regarding material compliance or manufacturing changes.

Crystals Selection Notes

Select this component when a 20.500 MHz fundamental frequency with ±30 ppm stability is required. The HC49 form factor suits applications needing robust mechanical mounting in surface-mount layouts. Consider the 10 pF load capacitance requirement to ensure proper oscillator circuit tuning and frequency accuracy during system design.

Crystals Part Context

This part belongs to the FTS crystal oscillator family, specifically utilizing the HC49 surface-mount package style. These components are engineered for reliable performance in consumer electronics and industrial control systems where precise timing is critical. The product line emphasizes compliance with environmental regulations while maintaining high-frequency stability.

Crystals Replacement Considerations

Direct substitutes must match the 20.500 MHz frequency, HC49-SMD package, 10 pF load capacitance, and ±30 ppm stability. Verify equivalent ESR values and drive level specifications to ensure circuit compatibility without modification.