18QHTF21-12.72813-PD

Overview

The 18QHTF21-12.72813-PD is a crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 12.72813 MHz with a stability of ±50ppm. The device utilizes LVCMOS output logic and functions on a 1.8V supply voltage. It features a Standby (Power Down) control mode for energy management. The component is housed in a compact 4-SMD, No Lead package suitable for surface mount applications. The operating temperature range spans from -40°C to 85°C, ensuring reliability across various industrial environments.

Feature Summary

• Supports low-power operation via Standby (Power Down) functionality
• Delivers stable clock signals using LVCMOS output logic
• Designed for portable devices with low maximum supply current

Applications

• Battery-powered electronic devices
• Portable consumer electronics
• Industrial control systems requiring precise timing

Procurement Notes

Verify the specific frequency tolerance and supply current requirements against your system design before procurement. Confirm that the 4-SMD No Lead package dimensions align with your PCB footprint constraints. Ensure the operating temperature range meets the environmental conditions of your intended application. Cross-reference the part number with official manufacturer documentation to confirm active lifecycle status and availability.

Selection Notes

Select this component when a 12.72813 MHz clock source with ±50ppm stability is required. Consider the 1.8V supply voltage compatibility with your logic levels. Evaluate the need for power-down capabilities to extend battery life in portable designs. Assess the thermal performance within the -40°C to 85°C range for your specific operational environment.

Part Context

This oscillator belongs to the Mercury Electronics series of surface-mount crystal oscillators. The brand has specialized in frequency control products since 1973, expanding from lead-type to surface-mount packages. This model represents their capability to produce components in the kHz to hundreds of MHz range, certified under IATF 16949 and ISO 9001:2015 quality standards.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided data. Consult the manufacturer directly for equivalent models or cross-reference options based on identical electrical specifications and package dimensions.