18QHTF21-59.49767-PD

Overview

The 18QHTF21-59.49767-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronic Ind. Co. Ltd. It operates at a nominal frequency of 59.49767 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and includes a standby function for power-down control. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6 mm. This component is designed for timing applications requiring precise clock signals in space-constrained electronic systems.

Feature Summary

• Supports low-voltage operation at 1.8V
• Integrates standby mode for power management
• Provides LVCMOS output signal compatibility

Applications

• General-purpose digital circuit timing
• Embedded system clock generation
• Consumer electronics internal synchronization

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your design specifications before ordering. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the 4-SMD no-lead package footprint matches your PCB layout constraints. Cross-reference the manufacturer datasheet for detailed electrical characteristics to guarantee reliable performance in your intended application environment.

Selection Notes

Select this component when a precise 59.49767 MHz clock source is required within a minimal footprint. The LVCMOS interface ensures compatibility with standard digital logic families. Consider the 1.8V operating voltage for low-power designs. The integrated standby feature offers energy efficiency benefits for battery-operated devices. Verify thermal and environmental ratings if operating in extreme conditions.

Part Context

This part belongs to the 18QHTF21 series from Mercury Electronic Ind. Co. Ltd, which specializes in quartz-based frequency control products. The series typically includes various frequencies and package options. Mercury Electronics has been a pioneer in the Taiwan crystal industry since 1973, providing components such as crystals, oscillators, and filters for global markets.

Replacement Considerations

Direct substitutes must match the 59.49767 MHz frequency, LVCMOS output, 1.8V supply, and 2.0x1.6mm 4-SMD package. Verify pinout compatibility and electrical parameters before substitution.