18QHTF21-39.600-PD

Oscillators Overview

The 18QHTF21-39.600-PD is a 39.6 MHz crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a supply voltage of 1.8V and features LVCMOS output logic. The component is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm. It supports a Standby (Power Down) mode for energy efficiency. This standard frequency oscillator is designed for surface-mount technology applications requiring precise timing signals.

Oscillators Feature Summary

• Supports low-voltage operation at 1.8V
• Includes standby power-down functionality
• Utilizes LVCMOS output interface

Oscillators Applications

• Portable electronic devices
• Communication equipment
• Embedded systems

Oscillators Procurement Notes

Verify the specific suffix 'PD' indicates the required power-down feature and lead-free status. Confirm the 2.0x1.6mm footprint matches the PCB layout. Ensure the 1.8V supply rail is stable within operational limits. Check for RoHS compliance documentation if required by project specifications.

Oscillators Selection Notes

Select this model when a small 2.0x1.6mm footprint is necessary. Choose based on the requirement for 1.8V operation and LVCMOS compatibility. Consider the standby feature for battery-powered designs. Verify that the 39.6MHz frequency meets system clock requirements.

Oscillators Part Context

This part belongs to the 18QHTF series of surface-mount oscillators from Mercury Electronics. The series offers various frequencies and package sizes. The 18QHTF21 variant specifically denotes the 2.0x1.6mm size. The PD suffix typically refers to package or environmental attributes.

Oscillators Replacement Considerations

Check datasheets for other 18QHTF21 variants with different frequencies. Compare pinouts and electrical characteristics before substituting. Ensure voltage levels and output logic remain compatible.