18QHTF21-25.120-PD

Oscillators Overview

The 18QHTF21-25.120-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronic Ind. Co. Ltd. It operates at a fixed frequency of 25.12 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and features a Standby function for power management. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6 mm. This component serves as a precise clock source for digital circuits requiring low-power operation.

Oscillators Feature Summary

• Supports Standby mode for power down functionality
• Utilizes LVCMOS output logic interface
• Compact 4-SMD No Lead surface mount package

Oscillators Applications

• General purpose clock generation for digital systems
• Low-voltage embedded circuit timing
• Portable electronic devices requiring power efficiency

Oscillators Procurement Notes

Verify the specific ordering suffix to ensure compatibility with required voltage levels and package types. Confirm that the LVCMOS output logic aligns with the target system's input requirements. Ensure the 1.8V supply voltage matches the design specifications. Check the operating temperature range against environmental conditions. Validate the physical footprint dimensions for PCB layout integration.

Oscillators Selection Notes

Select this component when a 25.12 MHz reference signal is required for LVCMOS-compatible circuits. Consider the 1.8V supply constraint and the availability of a standby control feature. Evaluate the 2.0x1.6 mm package size for space-constrained designs. Ensure the manufacturer's specifications meet the necessary stability and accuracy requirements for the application.

Oscillators Part Context

This part belongs to the QHTF series of crystal oscillators from Mercury Electronic Ind. Co. Ltd. The series offers various frequencies and voltage options within a small form factor. Mercury Electronics specializes in frequency control products, leveraging decades of experience in quartz crystal manufacturing. This specific model represents a standard XO variant optimized for low-power applications.

Oscillators Replacement Considerations

Direct substitutes must match the 25.12 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD 2.0x1.6mm package. Verify pinout compatibility and electrical characteristics before substitution. Cross-reference with other manufacturers offering similar low-profile oscillators if availability is an issue.