18QHTF21-13.5178-OE

Overview

The 18QHTF21-13.5178-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 13.5178 MHz and utilizes LVCMOS output logic. The device supports a supply voltage range that includes 1.8V operation and features an enable/disable control function for power management. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications requiring precise timing signals.

Feature Summary

• LVCMOS output logic for digital interface compatibility
• Integrated enable/disable control functionality
• Compact 4-SMD no-lead surface mount package

Applications

• General purpose clock signal generation
• Digital circuit timing references
• Embedded system clock sources

Procurement Notes

Verify the specific suffix (OE) against official Mercury Electronics documentation to confirm the exact enable/disable configuration and voltage specifications. Ensure the operating temperature range meets application requirements. Cross-reference the part number with authorized distributors to confirm authenticity and availability from the original manufacturer.

Selection Notes

Select this component when a low-profile surface-mount oscillator with enable control is required. Consider the LVCMOS output compatibility with downstream logic levels. Evaluate the 4-SMD package dimensions for PCB space constraints. Confirm the 13.5178 MHz frequency requirement matches the target system design before procurement.

Part Context

This model belongs to the Mercury Electronics 18QHTF21 series of standard crystal oscillators. The series offers various frequencies and voltage options within a small form factor. Mercury Electronics is a Taiwan-based manufacturer specializing in quartz crystals and timing devices, providing components for consumer electronics and industrial applications.

Replacement Considerations

Direct substitutes include other 13.5178 MHz LVCMOS oscillators in 4-SMD packages with enable pins. Verify pinout compatibility and electrical parameters such as supply voltage and current consumption. Check if alternative manufacturers offer equivalent performance metrics for the same footprint.