18QHTF21-13.498-PD

Overview

The 18QHTF21-13.498-PD is a standard crystal oscillator manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a frequency of 13.498 MHz and utilizes LVCMOS output logic. The device supports a supply voltage range typically associated with the series, featuring low power consumption and standby capabilities. It is housed in a compact 4-SMD, No Lead package designed for surface mount applications. The component ensures reliable timing signals within an operating temperature range of -40°C to 85°C, making it suitable for various electronic systems requiring precise clock generation.

Feature Summary

• Generates stable 13.498 MHz clock signals using LVCMOS output interface
• Supports standby mode for reduced power consumption during idle periods
• Designed for surface mount assembly with a leadless 4-SMD package
• Operates reliably across industrial temperature ranges

Applications

• General-purpose digital circuit timing
• Microcontroller clock sources
• Communication interface synchronization
• Embedded system control units

Procurement Notes

Verify the specific supply voltage and frequency stability parameters against the official datasheet before procurement, as these values can vary based on manufacturing revisions. Ensure the ordering suffix matches the required packaging configuration. Confirm compatibility with the target PCB footprint and thermal management requirements. Cross-reference the manufacturer's latest documentation to validate current production status and availability constraints.

Selection Notes

Select this component when a fixed 13.498 MHz frequency is required for LVCMOS-compatible circuits. Consider the 4-SMD package size for space-constrained designs. Evaluate the operating temperature range against the environmental conditions of the end application. Compare power consumption metrics if battery life is a critical factor. Ensure the input voltage aligns with the system's power rail specifications.

Part Context

This part belongs to the 18QHTF21 series of standard crystal oscillators from Mercury Electronic Ind. Co., Ltd. The series offers various frequency options while maintaining consistent package dimensions and electrical characteristics. It serves as a direct replacement for other industry-standard oscillators with matching pinouts and frequencies. The product line focuses on providing cost-effective timing solutions for mass-produced consumer and industrial electronics.

Replacement Considerations

Direct substitutes include other 13.498 MHz LVCMOS oscillators in 4-SMD packages from manufacturers like Epson or NDK. Verify pinout compatibility and voltage levels before substitution. Check for equivalent frequency stability and phase noise specifications. Ensure the replacement part meets the same operating temperature range requirements.