18QHTF21-27.134435-PD

Oscillators Overview

The 18QHTF21-27.134435-PD is a crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a standard frequency of 27.134435 MHz with an LVCMOS output logic level. The device requires a supply voltage of 1.8V and features a standby or power-down function for energy management. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm. This component is designed for applications requiring precise timing signals within low-voltage digital systems.

Oscillators Feature Summary

• Supports LVCMOS output logic for direct interface with digital circuits
• Includes standby and power-down functionality to reduce power consumption
• Utilizes a small form factor 4-SMD no lead package for space-constrained designs

Oscillators Applications

• Consumer electronics requiring precise clock synchronization
• Portable devices utilizing low-voltage digital processing
• Communication equipment needing stable frequency references

Oscillators Procurement Notes

Verify the specific frequency tolerance and operating temperature range against the official datasheet before integration. Confirm that the 1.8V supply voltage aligns with the target system's power rails. Ensure the 4-SMD no lead package footprint matches the PCB layout requirements. Check for any RoHS compliance certifications if required by project specifications.

Oscillators Selection Notes

Select this model when a 27.134435 MHz reference is necessary for LVCMOS-compatible logic families. Consider the 1.8V operating voltage as a constraint for power supply design. The compact 2.0x1.6mm package makes it suitable for high-density board layouts. Evaluate the power-down feature if battery life or thermal management is a critical design parameter.

Oscillators Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz crystal frequency control products. The manufacturer has decades of experience in Taiwan's crystal industry. The series typically offers various frequencies within a standardized small outline package format, catering to modern electronic miniification trends.

Oscillators Replacement Considerations

Direct substitutes include other 18QHTF21 variants with identical pinout and voltage but different frequencies, such as 18QHTF21-25.000-PD or 18QHTF21-30.000-PD, provided the frequency difference is acceptable for the application.