18QHTF21-3.691-PD

Oscillators Overview

The 18QHTF21-3.691-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a frequency of 3.691 MHz and utilizes LVCMOS output logic levels. The device requires 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.

Oscillators Feature Summary

• Supports low voltage operation with 1.8V supply requirement
• Includes standby function for power management
• Provides LVCMOS signal output compatibility

Oscillators Applications

• Battery-powered portable devices
• General purpose timing circuits
• Embedded systems requiring low power consumption

Oscillators Procurement Notes

Verify the specific suffix (PD) against official Mercury Electronic documentation to confirm package type and availability status. Ensure that the 1.8V supply voltage aligns with target system requirements before procurement. Cross-reference datasheet specifications for electrical characteristics to prevent integration errors.

Oscillators Selection Notes

Select this component when a precise 3.691 MHz reference is required with minimal power consumption. The 4-SMD no-lead package facilitates automated assembly processes. Confirm that the LVCMOS output interface matches the receiving logic circuitry within the design architecture.

Oscillators Part Context

This oscillator belongs to the Mercury Electronic 18QHTF series, designed for frequency control applications. The manufacturer specializes in quartz crystals, oscillators, and filters. This specific model represents a standard XO variant optimized for low voltage environments.

Oscillators Replacement Considerations

Consult official substitution lists from Mercury Electronic Ind. Co., Ltd. for verified compatible alternatives. Generic replacements may not match the exact 3.691 MHz frequency or 1.8V operational constraints.