MXJEAFC27M0

Crystals Overview

The MXJEAFC27M0 is a 27 MHz fundamental mode quartz crystal unit manufactured by Meritek Electronics. It features an HC49S package with surface mount construction and four pins. The component operates within a temperature range of -20°C to +70°C, offering a frequency tolerance of ±10 ppm and stability of ±20 ppm. It utilizes an 18 pF load capacitance and exhibits a series resistance of 40 Ohms. The device supports a drive level of 10 µW and includes RoHS compliance for environmental safety standards.

Crystals Feature Summary

• Seam-sealed ceramic construction providing excellent heat resistance
• Low profile surface mount design suitable for compact PCB layouts
• High precision frequency stability for reliable clock generation

Crystals Applications

• Wired network equipment
• Mobile communication devices
• WiMAX systems
• Wireless LAN (WLAN) modules
• Test and measurement equipment

Crystals Procurement Notes

Verify the specific package variant against official Meritek documentation, as external listings may conflate HC49-S through-hole specifications with SMD variants. Confirm that the selected part matches the required 27 MHz frequency and 18 pF load capacitance for your circuit design. Ensure compliance with RoHS directives if environmental regulations apply to your manufacturing process. Cross-reference the manufacturer's latest datasheet to confirm active status and availability before finalizing procurement plans.

Crystals Selection Notes

Select this component when a 27 MHz reference signal is required for wireless or wired networking applications. The choice depends on matching the 18 pF load capacitance to the oscillator circuit's requirements. Consider the operating temperature range of -20°C to +70°C for environmental suitability. The low profile SMD form factor aids in space-constrained designs, while the fundamental mode operation ensures stable oscillation characteristics for precise timing needs.

Crystals Part Context

This crystal belongs to the Meritek passive components portfolio, which includes various circuit protection devices and semiconductors. The MXJ series specifically targets high-frequency stability applications. Meritek Electronics Corporation produces these units using seam-sealed ceramic technology to ensure durability and performance consistency across industrial and consumer electronics markets.

Crystals Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Verify compatibility with alternative crystals based on identical frequency, load capacitance, package dimensions, and electrical parameters such as series resistance and drive level.