18QHTF21-12.273-OE

Overview

The 18QHTF21-12.273-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 12.273 MHz and utilizes LVCMOS output logic levels. The device supports an enable/disable function for power management control. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.00mm x 1.60mm. The component is designed for surface-mount applications requiring precise timing signals.

Feature Summary

• Supports Enable/Disable functionality for active power control
• Delivers LVCMOS output signal compatibility
• Utilizes a compact 4-SMD No Lead surface mount package

Applications

• General purpose digital timing circuits
• Embedded system clock generation
• Consumer electronics timing references

Procurement Notes

Verify the specific ordering suffix against official Mercury Electronics documentation to ensure correct voltage and tolerance specifications. Confirm that the OE suffix aligns with required environmental or packaging standards before finalizing procurement orders.

Selection Notes

Select this component when a low-profile surface-mount oscillator with enable control is required. Ensure the LVCMOS output voltage level matches the receiving logic interface. Verify that the 12.273 MHz frequency meets the system timing requirements without additional dividers.

Part Context

This part belongs to the 18QHTF21 series of standard crystal oscillators from Mercury Electronics. The series offers various frequencies and packages. This specific model provides a 12.273 MHz output in a small form factor suitable for space-constrained designs.

Replacement Considerations

Check for direct substitutes within the 18QHTF21 series offering identical pinout and electrical characteristics. Cross-reference with other manufacturers' 12.273 MHz LVCMOS oscillators in 2.0x1.6mm packages if supply constraints exist.