18QHTF21-119.701476-PD

Overview

The 18QHTF21-119.701476-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 119.701476 MHz and utilizes LVCMOS output logic levels. The device is designed for low voltage operation at 1.8V and includes a standby or power-down function to manage energy consumption. It is housed in a compact 4-SMD, no lead package with dimensions of 2.0x1.6 mm. This component serves as a precise frequency reference for timing applications requiring stable clock signals.

Feature Summary

• Provides precise frequency reference via crystal-based technology
• Supports standby mode for power management
• Delivers LVCMOS output signal compatibility

Applications

• Precision timing circuits
• Clock generation systems
• Embedded electronics requiring stable frequency references

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your system design before procurement. Confirm that the 1.8V supply voltage aligns with your power architecture. Ensure the 4-SMD no-lead package footprint matches your PCB layout constraints. Check for any specific RoHS compliance documentation if required by your manufacturing standards.

Selection Notes

Select this component when a 119.701476 MHz clock source is required with low voltage operation. Consider the 1.8V operating voltage and LVCMOS interface for compatibility with digital logic. Evaluate the need for power-down functionality to optimize system energy efficiency. Verify that the small 2.0x1.6 mm package fits within spatial limitations.

Part Context

This part belongs to the 18QHTF21 series of surface-mount oscillators from Mercury Electronics. The series typically offers various frequency options within a standardized small outline package. These components are designed for general-purpose timing applications where size and power consumption are critical factors. The manufacturer has established expertise in crystal industry products since 1973.

Replacement Considerations

Direct substitutes must match the 119.701476 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD 2.0x1.6mm package. Verify pinout compatibility and electrical characteristics such as phase noise and jitter specifications. Cross-reference with other manufacturers offering similar XO specifications in the same form factor.