18QHTF21-40.250-PD

Oscillators Overview

The 18QHTF21-40.250-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a frequency of 40.25 MHz and utilizes LVCMOS output logic. The device requires a supply voltage of 1.8V and features a standby (power down) function for energy management. It is housed in a compact 4-SMD, No Lead package, suitable for surface-mount applications.

Oscillators Feature Summary

• Supports low-voltage operation with 1.8V supply requirement
• Includes standby mode capability for power reduction
• Utilizes LVCMOS output logic for digital interface compatibility

Oscillators Applications

• General-purpose clock generation in embedded systems
• Timing reference for microcontrollers and processors
• Digital signal processing circuits requiring stable frequency sources

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Ensure the 1.8V supply rail stability meets the oscillator's specifications. Confirm that the 4-SMD No Lead package dimensions align with your PCB footprint to avoid assembly issues during manufacturing.

Oscillators Selection Notes

Select this component when a 40.25 MHz clock source is required with low power consumption capabilities. The LVCMOS output ensures compatibility with standard digital logic families. Consider the operating temperature range and package size constraints to ensure suitability for the target application environment.

Oscillators Part Context

This part belongs to the QHTF series of surface-mount crystal oscillators from Mercury Electronics. The series offers various frequencies and voltage options, providing standardized timing solutions for consumer electronics and industrial equipment. The 'PD' suffix typically indicates specific packaging or handling characteristics within the manufacturer's lineup.

Oscillators Replacement Considerations

Direct substitutes must match the 40.25 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD No Lead package. Verify pinout compatibility and electrical parameters such as phase noise and jitter before swapping components to ensure system stability.