18QHTF21-27.009375-OE

Oscillators Overview

The 18QHTF21-27.009375-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a fixed frequency of 27.009375 MHz and utilizes LVCMOS output logic levels. The device is designed for low-voltage applications, functioning at 1.8V. It features an enable/disable control pin for power management flexibility. The component is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6mm. It complies with RoHS standards and has a Moisture Sensitivity Level (MSL) rating of 1, indicating unlimited shelf life under standard conditions.

Oscillators Feature Summary

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

Oscillators Applications

• Digital signal processing circuits requiring precise clock sources
• Communication systems utilizing standard frequency references
• Embedded microcontroller clock generation

Oscillators Procurement Notes

Verify the specific ordering suffix against official Mercury Electronics documentation to ensure correct voltage and package configuration. Confirm RoHS compliance status through current manufacturer declarations. Check moisture sensitivity level handling requirements prior to assembly. Ensure the supplier provides valid traceability documents matching the part number exactly.

Oscillators Selection Notes

Select this component when a 27.009375 MHz reference is required in space-constrained designs. The 1.8V supply requirement suits modern low-power digital systems. The enable pin allows for dynamic power control in battery-operated devices. Verify that the LVCMOS output swing matches the receiving input thresholds of the target circuitry.

Oscillators Part Context

This oscillator belongs to the QHTF series from Mercury Electronics, which specializes in frequency control products. The series offers various frequencies in small SMD packages. Mercury Electronics has been manufacturing crystal components since 1973, establishing itself as a pioneer in the Taiwan crystal industry. This specific model represents a standard XO variant within their portfolio.

Oscillators Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Cross-referencing requires consulting official Mercury Electronics replacement guides or equivalent specifications from other manufacturers.