9C-4.000MAAE-T

Crystals Overview

The 9C-4.000MAAE-T is a quartz crystal resonator manufactured by TXC Corporation, designed for precision timing applications. It operates at a fundamental frequency of 4 MHz with a load capacitance of 12 pF and an equivalent series resistance of 150 Ohms. The component exhibits a frequency tolerance of ±30 ppm at 25°C and maintains stability within the same range across an operating temperature span of -20°C to +70°C. It utilizes the HC-49/US package format, providing a robust mechanical structure suitable for through-hole mounting on printed circuit boards.

Crystals Feature Summary

• Provides stable oscillation at 4 MHz with ±30 ppm frequency tolerance
• Features a standard HC-49/US metal can package for reliable mounting
• Operates effectively within a -20°C to +70°C industrial temperature range

Crystals Applications

• Microcontroller clock circuits
• Communication interface modules
• Industrial control systems

Crystals Procurement Notes

Verify the specific suffix 'AAE' against official datasheets to confirm the exact temperature range and tolerance specifications. Ensure the HC-49/US footprint matches the target PCB design requirements before finalizing procurement orders.

Crystals Selection Notes

Select this component when a standard 4 MHz reference is required for through-hole assembly. Consider the 150 Ohm ESR and 12 pF load capacitance compatibility with the host oscillator circuit to ensure proper startup and sustained operation.

Crystals Part Context

This part belongs to the 9C series of quartz crystals from TXC Corporation. These components are widely used in general-purpose electronic equipment requiring precise frequency generation. The HC-49/US form factor remains a common industry standard for legacy and current designs alike.

Crystals Replacement Considerations

Cross-reference with other manufacturers offering HC-49/US 4 MHz crystals with identical 12 pF load capacitance and ±30 ppm tolerance. Verify that substitute parts meet the same -20°C to +70°C operating temperature limits.