18QHTF21-3.776-PD

Oscillators Overview

The 18QHTF21-3.776-PD is a standard crystal oscillator manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a frequency of 3.776 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and includes a standby function for power down capabilities. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications requiring precise timing signals.

Oscillators Feature Summary

• Integrates LVCMOS output logic for digital interface compatibility
• Features a standby mode to reduce power consumption during inactive periods
• Utilizes a leadless SMD package for automated surface-mount assembly

Oscillators Applications

• General-purpose clock signal generation in embedded systems
• Timing reference for low-frequency digital circuits
• Power-sensitive portable electronic devices requiring standby functionality

Oscillators Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to ensure correct frequency and package configuration. Confirm that the LVCMOS output type and 1.8V supply voltage requirements align with the target circuit design before procurement. Cross-reference the part number with the latest datasheet to validate availability and technical specifications.

Oscillators Selection Notes

Select this component when a low-frequency 3.776 MHz clock source is required with minimal power consumption. The integrated standby feature makes it suitable for battery-operated applications where power management is critical. Ensure the system design accommodates the 1.8V logic level and the physical dimensions of the 4-SMD no-lead package.

Oscillators Part Context

This oscillator belongs to the 18QHTF21 series from Mercury Electronic Ind. Co., Ltd, a supplier specializing in quartz crystals and oscillators. The series offers various frequencies and output types, with this specific model providing a standard LVCMOS output at 3.776 MHz. The manufacturer has established expertise in frequency control products since 1973.

Oscillators Replacement Considerations

Consult official substitution lists for compatible parts with matching frequency, voltage, and package dimensions. Verify electrical parameters such as load capacitance and drive level before replacing to ensure circuit stability.