18QHTF21-10.000135-PD

Overview

The 18QHTF21-10.000135-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a frequency of 10.000135 MHz and utilizes LVCMOS output logic. The device is designed for surface mount applications in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6 mm. It functions within an operating temperature range of -40°C to 85°C and supports a supply voltage of 1.8V. Key features include standby capability for power down management.

Feature Summary

• Supports low-voltage operation at 1.8V
• Includes standby mode for power reduction
• Utilizes LVCMOS output interface

Applications

• General purpose clock signal generation
• Embedded system timing references
• Consumer electronics circuit boards

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the target circuit design before procurement. Confirm that the 1.8V supply voltage aligns with the system's power rails. Ensure the PCB footprint matches the 2.0x1.6 mm SMD package dimensions to prevent assembly issues. Cross-reference the datasheet for any specific reflow soldering profile recommendations to maintain component integrity during manufacturing.

Selection Notes

Select this component when a precise 10.000135 MHz reference is required in space-constrained designs. The 1.8V supply requirement makes it suitable for modern low-power digital systems. Consider the LVCMOS output compatibility with downstream logic gates. The wide operating temperature range ensures reliability in varied environmental conditions. Evaluate the standby feature if power efficiency is a critical design parameter.

Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which offers various frequency options in a standardized small outline package. The series is characterized by its compact form factor and low voltage operation. Similar models in the lineup include different frequencies such as 8.000 MHz or 13.5635 MHz, sharing the same physical and electrical interface standards.

Replacement Considerations

Direct replacements must match the 10.000135 MHz frequency, 1.8V supply, and LVCMOS output. Verify that alternative sources offer identical 2.0x1.6 mm packaging. Check for equivalent temperature ranges and stability specifications to ensure functional parity without circuit redesign.