18QHTF21-39.650-PD

Oscillators Overview

The 18QHTF21-39.650-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 39.650 MHz and utilizes LVCMOS output logic. The device is designed for surface mount applications, featuring a compact 4-SMD, No Lead package configuration. It functions with a supply voltage of 1.8V and includes a standby or power-down mode capability to manage energy consumption during inactive periods.

Oscillators Feature Summary

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

Oscillators Applications

• Digital signal processing systems requiring precise clock timing
• Communication equipment utilizing standard frequency references
• Embedded control units operating at 1.8V supply levels

Oscillators Procurement Notes

Verify the specific ordering suffix PD against the manufacturer's current datasheet to confirm package type and tape-and-reel specifications. Ensure the required frequency tolerance and load capacitance match the target circuit design before finalizing procurement orders.

Oscillators Selection Notes

Select this component when a low-voltage 1.8V operation is required alongside standard LVCMOS signaling. The 4-SMD form factor suits space-constrained PCB layouts. Confirm that the operating temperature range meets the environmental requirements of the intended deployment scenario.

Oscillators Part Context

This part belongs to the 18QHTF series of surface-mount oscillators from Mercury Electronics. The series typically offers various frequency options within a standardized footprint. The model number indicates a specific frequency setting of 39.650 MHz within this product family.

Oscillators Replacement Considerations

Cross-reference with other 18QHTF series variants for different frequencies if the exact 39.650 MHz is unavailable. Verify pinout compatibility and electrical parameters such as supply voltage and output logic before substituting with generic equivalents.