18QHTF21-3.686-OE

Oscillators Overview

The 18QHTF21-3.686-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a nominal frequency of 3.686 MHz and utilizes LVCMOS output logic. The device requires a 1.8V supply voltage and features an enable/disable control function. 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 from -40°C to +85°C and maintains a frequency stability of ±50ppm.

Oscillators Feature Summary

• Integrates LVCMOS output logic for digital interface compatibility
• Includes hardware enable and disable control functionality
• Designed for low-profile surface-mount assembly applications

Oscillators Applications

• Portable electronic devices requiring precise timing references
• Embedded systems utilizing low-voltage microcontrollers
• Consumer electronics with space-constrained PCB layouts

Oscillators Procurement Notes

Verify the specific ordering suffix against official manufacturer documentation to confirm electrical characteristics and packaging details. Ensure that the selected variant matches the required supply voltage and output logic levels for the target circuit design. Cross-reference part numbers with authorized distributors to confirm availability and authenticity before finalizing procurement orders.

Oscillators Selection Notes

Select this component when a low-voltage 1.8V supply is available and a small footprint is required. Consider the ±50ppm frequency stability requirement relative to system timing tolerance. Evaluate the need for active enable/disable control versus always-on operation based on power management strategies in the final application design.

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 typically offers various frequencies within a standardized 4-SMD no-lead package format, providing consistent mechanical dimensions across different frequency options for design flexibility.

Oscillators Replacement Considerations

Direct substitutes include other 18QHTF21 series variants with matching pinouts and electrical specifications. Verify equivalent frequency, voltage, and package dimensions when considering alternative models from the same manufacturer or compatible third-party sources.