18QHTF21-25.750-PD

Oscillators Overview

The 18QHTF21-25.750-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a nominal frequency of 25.750 MHz and utilizes LVCMOS output logic. The device is designed for low-power applications, featuring a supply voltage of 1.8V and a standby power-down mode. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6 mm. This component is suitable for digital signal processing and communication systems requiring precise clock signals.

Oscillators Feature Summary

• Supports low-power operation with a dedicated standby power-down mode
• Delivers stable clock signals using LVCMOS output logic
• Utilizes a compact surface-mount package for space-constrained designs

Oscillators Applications

• Digital signal processing circuits
• Communication system timing references
• Embedded microcontroller clock sources

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Ensure that the 1.8V supply voltage aligns with your system's power rails. Confirm that the 4-SMD no-lead package footprint matches your PCB layout specifications to avoid assembly issues during manufacturing.

Oscillators Selection Notes

Select this model when a 25.750 MHz clock source is required with minimal power consumption. The LVCMOS interface ensures compatibility with standard digital logic families. Consider the 1.8V operating voltage if your system architecture prioritizes energy efficiency over higher voltage noise margins.

Oscillators Part Context

This part belongs to the QHTF series of quartz oscillators from Mercury Electronics. The series is characterized by small form factors and low power consumption, making it suitable for portable electronics. The 'PD' suffix indicates the inclusion of a power-down control feature, enhancing system-level power management capabilities.

Oscillators Replacement Considerations

Direct substitutes must match the 25.750 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD 2.0x1.6mm package. Verify pinout compatibility and electrical characteristics such as phase noise and jitter before swapping components.