18QHTF21-12.15269-PD

Overview

The 18QHTF21-12.15269-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 12.15269 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 manage energy consumption. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0 x 1.6 mm. This component is engineered for precision timing applications requiring low power operation.

Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Includes standby and power-down functionality for energy management
• Utilizes a surface-mount 4-SMD no-lead package design

Applications

• Battery-powered portable devices
• Consumer electronics requiring precise clock signals
• Communication equipment needing stable frequency references

Procurement Notes

Verify the specific frequency tolerance 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 specific RoHS compliance documentation if required by your manufacturing standards.

Selection Notes

Select this oscillator when a 12.15269 MHz reference is required with low voltage operation. Consider the LVCMOS output type for direct interfacing with digital logic. Evaluate the need for power-down capabilities to extend battery life in portable applications. Compare package size constraints against available board space.

Part Context

This part belongs to the Mercury Electronics XO series, which specializes in quartz-based timing solutions. The manufacturer has decades of experience in producing frequency control products including crystals and oscillators. The 18QHTF21 series represents their surface-mount oscillator offerings designed for modern electronic assemblies.

Replacement Considerations

Direct substitutes may include other 12.15269 MHz LVCMOS oscillators from Mercury Electronics such as the 18QHTF21-12.300-PD or 18QHTF21-30.300-PD if frequency flexibility exists. Verify pinout and voltage compatibility when considering alternatives from other manufacturers.