18QHTF21-4.960-PD

Oscillators Overview

The 18QHTF21-4.960-PD is a standard crystal oscillator manufactured by Mercury Electronic Ind. Co. Ltd. It operates at a frequency of 4.96 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and features a standby mode for power down functionality. It is housed in a compact 4-SMD, No Lead package, suitable for surface-mount applications requiring precise timing signals.

Oscillators Feature Summary

• Supports low-voltage operation with integrated standby capability
• Provides stable LVCMOS signal output for digital circuits
• Utilizes leadless surface-mount packaging for automated assembly

Oscillators Applications

• General-purpose clock generation for embedded systems
• Timing reference for low-power consumer electronics
• Signal synchronization in portable devices

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the official datasheet before procurement. Ensure the selected variant matches the required operating temperature range and supply voltage specifications to guarantee reliable performance in the target application environment.

Oscillators Selection Notes

Select this component when a 4.96 MHz timing source is required with low voltage compatibility. Consider the 1.8V supply constraint and the need for power-down functionality. Evaluate the physical dimensions of the 4-SMD no-lead package against the available PCB space constraints during the design phase.

Oscillators Part Context

This part belongs to the 18QHTF21 series of standard crystal oscillators from Mercury Electronic Ind. Co. Ltd. The series offers various frequency options within a consistent small form factor. The manufacturer specializes in quartz-based frequency control products, providing timing solutions for diverse electronic industries.

Oscillators Replacement Considerations

Direct substitutes include other 18QHTF21 variants with identical pinout and electrical characteristics but different frequencies, such as 18QHTF21-8.0004-PD or 18QHTF21-6.1679-PD, provided the system timing requirements allow for frequency adjustment.