18QHTF21-21.0961-PD

Oscillators Overview

The 18QHTF21-21.0961-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 21.0961 MHz and utilizes LVCMOS output logic. The device is designed for low-power applications, featuring a supply voltage of 1.8V and a standby mode for power-down functionality. It is housed in a compact 4-SMD, No Lead package, suitable for surface-mount assembly on printed circuit boards.

Oscillators Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Includes standby mode to reduce power consumption during idle periods
• RoHS compliant construction for environmental safety standards

Oscillators Applications

• Digital clock signal generation in embedded systems
• Timing reference for microcontrollers and processors
• Data communication interface synchronization

Oscillators Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to ensure correct configuration. Confirm that the required frequency tolerance and load capacitance match the target circuit design requirements before finalizing procurement orders.

Oscillators Selection Notes

Select this component when a precise 21.0961 MHz timing source is required with low voltage operation. Ensure the application board supports 4-SMD no-lead packaging and that the system logic levels are compatible with LVCMOS outputs. Consider thermal management if operating near maximum temperature limits.

Oscillators Part Context

This part belongs to the QHTF series of quartz crystal oscillators from Mercury Electronics. The series offers various frequencies and supply voltages. This specific model provides a stable clock signal for consumer electronics and industrial control applications requiring reliable timing performance.

Oscillators Replacement Considerations

Check for direct substitutes within the same QHTF family with identical pinout and electrical specifications. Verify cross-compatibility with other manufacturers' 4-SMD LVCMOS oscillators only after confirming all parameter matches.