25QHTF21-17.1776-PD

Oscillators Overview

The 25QHTF21-17.1776-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 17.1776 MHz and utilizes LVCMOS output logic levels. The device requires a 2.5V supply voltage and features a power-down function for standby mode control. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6mm.

Oscillators Feature Summary

• LVCMOS output interface
• Power-down capability
• Compact surface-mount package

Oscillators Applications

• General clock signal generation
• Digital circuit timing references
• Embedded system clocks

Oscillators Procurement Notes

Verify the specific ordering suffix to ensure compatibility with required frequency and voltage specifications. Confirm that the 2.5V supply requirement aligns with the target system design. Check for RoHS compliance status if environmental regulations apply. Ensure the 4-SMD no-lead package footprint matches the PCB layout constraints. Review datasheet details for operating temperature range limitations before finalizing procurement decisions.

Oscillators Selection Notes

Select this component when a low-profile 2.0x1.6mm oscillator is required for space-constrained designs. The LVCMOS output is suitable for standard digital logic interfaces. Consider the power-down feature for applications requiring energy management. Verify that the 17.1776 MHz frequency meets the precise timing requirements of the application without need for external dividers or multipliers.

Oscillators Part Context

This part belongs to the 25QHTF21 series of surface-mount crystal oscillators from Mercury Electronics. The series offers various frequencies within a standardized small outline package. These components are designed for high reliability in consumer electronics and industrial applications where stable clock sources are critical for synchronous data transmission and processing operations.

Oscillators Replacement Considerations

Direct substitutes must match the 17.1776 MHz frequency, 2.5V supply, LVCMOS output, and 4-SMD 2.0x1.6mm package. Verify pinout compatibility and thermal characteristics. Cross-reference with other manufacturers offering identical form-factor and electrical specifications to ensure seamless integration into existing designs.