18QHTF21-10.178125-OE

Overview

The 18QHTF21-10.178125-OE is a standard crystal oscillator manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a frequency of 10.178125 MHz and utilizes LVCMOS output logic. The device is designed for low-voltage applications, requiring a supply voltage of 1.8V. It features an enable/disable control function to manage power consumption. The component is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm. This surface-mount oscillator is suitable for timing applications requiring precise clock signals in space-constrained electronic designs.

Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Includes enable/disable functionality for power management
• Compact 4-SMD no-lead surface mount package design

Applications

• General purpose timing circuits
• Embedded systems requiring stable clock sources
• Consumer electronics with space constraints

Procurement Notes

Verify the specific suffix '-OE' against official Mercury Electronics documentation to confirm exact specifications and availability status. Ensure that the ordering information matches the required frequency and package type. Cross-reference part numbers carefully as variations may exist within the product line. Confirm lead times and stock levels directly with authorized distributors or the manufacturer before finalizing procurement decisions.

Selection Notes

Select this component when a 10.178125 MHz clock signal is required in a 1.8V system. Consider the 2.0x1.6mm footprint for PCB layout constraints. Evaluate the LVCMOS output compatibility with downstream digital components. Verify temperature range requirements against application needs. Compare alternative frequencies if the exact value is not critical.

Part Context

This oscillator belongs to the 18QHTF21 series from Mercury Electronic Ind. Co., Ltd, a supplier specializing in frequency control products including quartz crystals and oscillators. The series typically offers various frequencies and package options. Mercury Electronics has been manufacturing these components since 1973, establishing itself in the Taiwan frequency-control market. The 18QHTF21 series is designed for general-purpose timing applications.

Replacement Considerations

Direct substitutes include other 10.178125 MHz LVCMOS oscillators in 4-SMD packages with 1.8V operation. Check pinout compatibility and electrical specifications such as load capacitance and drive strength. Verify that any replacement meets the same size constraints and operating temperature ranges.