18QHTF21-1.966-PD

Overview

The 18QHTF21-1.966-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a frequency of 1.966 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and features a standby or power-down function to reduce consumption. It is housed in a compact 4-SMD, no-lead package with dimensions of 2.0mm x 1.6mm. This component is suitable for applications requiring precise timing signals in space-constrained electronic designs.

Feature Summary

• Supports low-voltage operation at 1.8V
• Includes standby mode for power management
• Compact surface-mount package design

Applications

• Portable consumer electronics
• Battery-powered devices
• Communication modules

Procurement Notes

Verify the specific operating temperature range and load capacitance requirements against your circuit design before procurement. 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. Check for any RoHS compliance documentation if required for your manufacturing standards.

Selection Notes

Select this oscillator when a 1.966 MHz clock signal is required with minimal power consumption. The 1.8V supply requirement makes it suitable for modern low-voltage digital circuits. Consider the 2.0x1.6mm package size for tight board space limitations. Verify compatibility with LVCMOS input thresholds of the receiving logic gates.

Part Context

Mercury Electronics Ind. Co., Ltd. is a Taiwan-based manufacturer specializing in frequency control products, including quartz crystals and oscillators. The 18QHTF21 series represents their line of standard crystal oscillators designed for various industrial and consumer applications. This specific model falls within their portfolio of timing solutions offering stability and reliability.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided data.