18QHTF21-19.68725-PD

Oscillators Overview

The 18QHTF21-19.68725-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 19.68725 MHz and utilizes LVCMOS output logic levels. The device is designed for low-voltage applications, supporting a supply voltage of 1.8V. It features a standby mode with power-down capability to reduce energy consumption during inactive periods. The component is housed in a compact 4-SMD, no-lead surface-mount package, suitable for space-constrained electronic designs requiring precise timing signals.

Oscillators Feature Summary

• Supports LVCMOS output interface for digital logic compatibility
• Includes standby functionality with power-down control
• Operates on a single 1.8V power supply rail
• Utilizes a small-footprint 4-SMD no-lead package

Oscillators Applications

• Embedded systems requiring precise clock synchronization
• Portable consumer electronics with strict power constraints
• Communication modules needing stable frequency references
• Industrial control boards utilizing low-voltage logic

Oscillators Procurement Notes

Verify the specific ordering suffix matches the required frequency and package variant. Confirm that the 1.8V supply voltage aligns with your system design before procurement. Ensure the LVCMOS output type is compatible with the receiving logic inputs. Check for any RoHS or environmental compliance requirements relevant to your manufacturing process.

Oscillators Selection Notes

Select this component when a 19.68725 MHz reference is required for low-power applications. Consider the 1.8V operating voltage as a primary constraint for power supply design. Evaluate the 4-SMD package size against available PCB real estate. Compare performance against other Mercury Electronics oscillators if different frequencies or voltage levels are needed.

Oscillators Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics Ind. Co. Ltd, a manufacturer specializing in quartz crystal frequency control products. The series typically includes various XO models with different frequencies and voltage options. Mercury Electronics has established itself as a pioneer in the Taiwan quartz industry, offering standardized components for global electronic markets.

Oscillators Replacement Considerations

Direct substitutes must match the 19.68725 MHz frequency, 1.8V supply, and LVCMOS output. Verify pinout compatibility for the 4-SMD no-lead package. Cross-reference with other Mercury Electronics parts sharing the 18QHTF21 form factor.