18QHTF21-58.200-PD

Overview

The 18QHTF21-58.200-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 58.2 MHz and utilizes LVCMOS output logic for digital signal interfacing. The device is designed for low-power applications, featuring a supply voltage of 1.8V and an integrated standby or power-down mode to minimize energy consumption when inactive. The component is housed in a compact 4-SMD, no-lead package with dimensions of 2.0 x 1.6 mm, suitable for space-constrained surface-mount designs.

Feature Summary

• Integrates LVCMOS output logic for direct digital interface compatibility
• Supports 1.8V supply voltage operation for low-power efficiency
• Includes standby or power-down functionality to reduce active current draw

Applications

• General clock generation for embedded systems
• Timing reference for consumer electronics
• Signal source for portable devices requiring low power consumption

Procurement Notes

Verify the specific operating temperature range and load capacitance requirements against the target system design before procurement. Confirm that the 1.8V supply rail stability meets the oscillator's jitter specifications. Ensure the PCB footprint matches the 2.0x1.6mm SMD package dimensions precisely to avoid assembly defects. Cross-reference the datasheet for any specific handling or reflow soldering profile recommendations provided by the manufacturer.

Selection Notes

Select this component when a precise 58.2 MHz timing reference is required with minimal power consumption. The LVCMOS output is suitable for standard digital logic families. Consider the 1.8V supply constraint and ensure the system architecture supports this voltage level. The small form factor makes it appropriate for dense circuit boards where space is limited compared to larger through-hole or standard SMD oscillators.

Part Context

This part belongs to the Mercury Electronics 18QHTF series of surface-mount crystal oscillators. The series typically offers various frequencies and supply voltages within a standardized 2.0x1.6mm footprint. Mercury Electronics specializes in quartz crystals and timing solutions, providing components for industrial and consumer markets. This specific model represents a standard XO variant optimized for low-voltage digital applications.

Replacement Considerations

Direct substitutes must match the 58.2 MHz frequency, 1.8V supply, LVCMOS output, and 2.0x1.6mm package. Verify pinout compatibility and electrical characteristics such as phase noise and duty cycle. Alternative models from other manufacturers require careful evaluation of thermal performance and startup time differences.