18QHTF57-27.137-PD

Oscillators Overview

The 18QHTF57-27.137-PD is a standard XO oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 27.137 MHz with an LVCMOS output logic level. The device supports a supply voltage of 1.8V and includes a standby (power down) function for energy management. It utilizes a 4-SMD, No Lead package configuration with dimensions of 7.0 x 5.0 mm.

Oscillators Feature Summary

• LVCMOS output interface
• Standby power down capability
• Surface mount no lead package

Oscillators Applications

• General clock signal generation
• Digital circuit timing reference
• Embedded system clock sources

Oscillators Procurement Notes

Verify the specific operating temperature range and load capacitance requirements 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 footprint matches the PCB layout design to guarantee proper soldering and mechanical stability during assembly processes.

Oscillators Selection Notes

Select this component when a precise 27.137 MHz clock source is required for low-voltage digital applications. The integrated power-down feature makes it suitable for battery-operated devices or systems requiring dynamic power management. Verify compatibility with the host controller's input voltage thresholds and current consumption limits to ensure reliable operation within the specified environmental conditions.

Oscillators Part Context

This part belongs to the QHTF57 series of surface-mount crystal oscillators from Mercury Electronics. The series typically offers various frequency options and voltage levels, catering to diverse electronic design needs. The 'PD' suffix indicates the inclusion of a power-down control pin, enhancing system efficiency compared to standard continuous-operation variants within the same family.

Oscillators Replacement Considerations

Direct replacements must match the 27.137 MHz frequency, 1.8V supply, LVCMOS output, and 7.0x5.0mm package dimensions. Verify equivalent electrical characteristics such as phase noise and jitter specifications. Ensure any substitute component also supports the standby power-down functionality if required by the application design.