HCM4914318180BBKT

Crystals Overview

The HCM4914318180BBKT is an AT-Cut MHz crystal manufactured by Citizen FineDevice. It operates at a nominal frequency of 14.31818 MHz with a load capacitance of 20 pF. The component features a frequency tolerance and stability of ±50 PPM. It utilizes an HC-49/US surface mount package, measuring 11.4 mm in length, 4.7 mm in width, and 4.3 mm in height. Electrical characteristics include an equivalent series resistance (ESR) of 50 Ohms and a drive level of 100 uW. The device supports a commercial operating temperature range from -10°C to +60°C.

Crystals Feature Summary

• AT-Cut crystal construction for stable frequency generation
• Surface mount design compatible with automated assembly processes
• HC-49/US form factor providing standardized footprint compatibility

Crystals Applications

• General purpose clock signal generation in digital circuits
• Microcontroller and microprocessor system timing references
• Communication interface modules requiring standard baud rate frequencies

Crystals Procurement Notes

Verify the specific suffix BBKT against official manufacturer documentation to confirm exact load capacitance and tolerance specifications. Ensure the ordering part number matches the required frequency and package type. Cross-reference datasheet revisions to confirm RoHS compliance status and material composition details prior to procurement.

Crystals Selection Notes

Select this component when a 14.31818 MHz reference is required for SMT assembly. Verify that the circuit design accommodates the 20 pF load capacitance requirement. Confirm that the operational environment remains within the specified -10°C to +60°C temperature range. Evaluate the 50 PPM stability against system timing accuracy requirements.

Crystals Part Context

This component belongs to the HCM49 series of crystals produced by Citizen FineDevice. The series offers various frequency options within the HC-49/US surface mount package. This specific model provides a common communication frequency suitable for embedded systems and industrial control applications requiring reliable timekeeping.

Crystals Replacement Considerations

Direct substitutes may include other 14.31818 MHz crystals with identical 20 pF load capacitance and HC-49/US SMD packaging. Verify equivalent ESR, drive level, and frequency stability parameters before substitution.