18QHTF21-3.686-PD

Oscillators Overview

The 18QHTF21-3.686-PD is a standard crystal oscillator manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a fixed frequency of 3.686 MHz and utilizes LVCMOS output logic levels. The device is designed for low-power applications, featuring a supply voltage of 1.8V and a standby mode for power-down functionality. It is housed in a compact 4-SMD, no lead package with dimensions of 2.0mm x 1.6mm. The component supports an operating temperature range suitable for general electronic equipment.

Oscillators Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Includes standby mode to reduce power consumption during idle periods
• Utilizes a surface-mount 4-pin no-lead package for automated assembly

Oscillators Applications

• Battery-powered portable devices requiring low current draw
• General-purpose digital timing circuits
• Embedded systems utilizing LVCMOS interfaces

Oscillators Procurement Notes

Verify the specific suffix 'PD' indicates the power-down feature when sourcing replacements. Confirm the operating temperature range matches the target application environment. Ensure the 1.8V supply voltage aligns with the system's power rail specifications before finalizing procurement orders.

Oscillators Selection Notes

Select this component when a precise 3.686 MHz reference is required with minimal power usage. The 1.8V operation makes it suitable for modern low-voltage logic families. Consider the small 2.0x1.6mm footprint if board space is constrained. Verify that LVCMOS output swing meets the input requirements of the receiving circuitry.

Oscillators Part Context

This part belongs to the 18QHTF21 series from Mercury Electronic, a manufacturer specializing in quartz frequency control products. The series typically includes various frequencies and output types within a standardized small outline package format. Mercury has decades of experience in Taiwan's quartz industry, providing stable timing solutions for consumer and industrial electronics.

Oscillators Replacement Considerations

Direct substitutes include other 3.686 MHz LVCMOS oscillators in 4-SMD packages with 1.8V operation. Ensure the replacement maintains the same pinout and standby functionality. Verify thermal characteristics match the original design constraints.