CX5Z-A5B2C5-40-27.0D18

Crystals Overview

The CX5Z-A5B2C5-40-27.0D18 is a passive quartz crystal resonator manufactured by Cardinal Components Inc., designed for surface-mount applications. It operates at a nominal frequency of 27 MHz with a fundamental oscillation mode. The component features an equivalent series resistance (ESR) of 40 Ohms and a load capacitance of 18 pF. Frequency stability is rated at ±50 ppm, while the initial frequency tolerance is specified as ±20 ppm. The device utilizes a 4-SMD, no-lead package with dimensions of 7.00 mm in length, 5.00 mm in width, and a maximum height of 1.40 mm. It supports a standard operating temperature range from -20°C to +70°C.

Crystals Feature Summary

• Compact ultra-miniature 4-SMD footprint suitable for space-constrained circuit designs
• Fundamental AT-cut quartz construction ensuring stable oscillation performance
• RoHS3 compliant manufacturing process supporting environmental regulatory standards

Crystals Applications

• Wireless communication modules requiring precise clock signals
• Bluetooth-enabled consumer electronics devices
• Automotive infotainment and control systems
• Medical diagnostic equipment requiring reliable timing references

Crystals Procurement Notes

Verify that the specific part number matches the required frequency and tolerance specifications before integration. Confirm that the 4-SMD package dimensions align with the target PCB layout constraints. Ensure compliance with RoHS3 directives if applicable to the final product assembly. Check manufacturer datasheets for handling instructions regarding moisture sensitivity levels during soldering processes.

Crystals Selection Notes

Select this component when a small form factor is critical for board real estate optimization. Consider the ±20 ppm initial tolerance and ±50 ppm stability requirements against system clock accuracy needs. Evaluate the 40 Ohm ESR value to ensure compatibility with the oscillator circuit drive level. Compare physical dimensions against available mounting areas on the printed circuit board.

Crystals Part Context

This component belongs to the CX5 series of ultra-miniature crystals produced by Cardinal Components Inc. The series offers smaller alternatives to standard HC-49 packages, targeting applications demanding compact board space. These crystals are engineered for environments requiring tight tolerances over defined temperature ranges, providing reliability in modern electronic assemblies.

Crystals Replacement Considerations

Abracon LLC ABM3B-27.000MHZ-B2-T is documented as a similar substitute part.