18QHTF21-25.550-PD

Oscillators Overview

The 18QHTF21-25.550-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 25.55 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and features a standby power-down mode for energy efficiency. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6mm.

Oscillators Feature Summary

• Supports low-voltage operation at 1.8V
• Includes standby power-down functionality
• Utilizes LVCMOS output logic

Oscillators Applications

• General clock signal generation
• Embedded system timing references
• Portable electronic devices requiring low power consumption

Oscillators Procurement Notes

Verify the specific part number suffix to ensure compatibility with required voltage levels and package types. Confirm that the LVCMOS output logic aligns with the target circuit interface requirements. Ensure the operating temperature range meets the environmental specifications of the intended application before finalizing procurement.

Oscillators Selection Notes

Select this component when a precise 25.55 MHz reference is needed in space-constrained designs. The 1.8V supply requirement makes it suitable for modern low-power digital systems. Consider the 4-SMD no-lead package for automated surface-mount assembly processes. Evaluate the standby feature if power management during idle states is critical for the system design.

Oscillators Part Context

This model belongs to Mercury Electronics' series of surface-mount quartz oscillators. The designation indicates a 2.0x1.6mm footprint with specific electrical characteristics. Similar variants exist with different frequencies and voltage options within the same product family, sharing identical physical dimensions and pin configurations.

Oscillators Replacement Considerations

Direct substitutes must match the 25.55 MHz frequency, 1.8V supply, and LVCMOS output. Verify pin compatibility for the 4-SMD no-lead package. Cross-reference with other manufacturers offering equivalent small-form-factor oscillators ensuring identical electrical parameters.