18QHTF21-25.002-OE

Oscillators Overview

The 18QHTF21-25.002-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a frequency of 25.002 MHz and utilizes LVCMOS output logic. The device functions with a supply voltage of 1.8V and includes an enable/disable control feature. It is housed in a compact 4-SMD, no-lead package with dimensions of 2.0mm x 1.6mm.

Oscillators Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Integrates enable and disable functionality for power management
• Utilizes a surface-mount 4-SMD no-lead package design

Oscillators Applications

• Embedded systems requiring precise clock signals
• Communication equipment utilizing standard frequency references
• Consumer electronics with low-voltage power constraints

Oscillators Procurement Notes

Verify the specific ordering suffix against manufacturer documentation to ensure correct voltage and package configuration. Confirm that the OE suffix aligns with required environmental or reliability standards. Cross-reference the part number with official Mercury Electronics catalogs to validate availability and technical specifications before finalizing procurement orders.

Oscillators Selection Notes

Select this component when a 25.002 MHz reference is required within a 1.8V system architecture. Ensure the application board layout accommodates the 2.0x1.6mm footprint. Consider the enable pin requirement if dynamic power saving is necessary. Verify that LVCMOS output levels match the input thresholds of the connected load circuitry.

Oscillators Part Context

This oscillator belongs to the QHTF series from Mercury Electronics, designed for space-constrained applications. The series offers various frequencies and voltage options. The 18 prefix indicates the 1.8V operating voltage, while the model number specifies the exact frequency. This family targets portable devices needing stable timing sources.

Oscillators Replacement Considerations

Direct substitutes include other 25.002 MHz LVCMOS oscillators in 4-SMD packages with 1.8V operation. Verify pinout compatibility and electrical parameters such as load capacitance and drive strength. Check for equivalent enable/disable functionality if present in the original design.