18QHTF21-8.480-PD

Overview

The 18QHTF21-8.480-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 8.48 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and features a power-down (PD) control function to manage standby states. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm. The component supports an operating temperature range typical for commercial applications, ensuring reliable timing performance in space-constrained electronic designs.

Feature Summary

• Integrates LVCMOS output logic for direct interface with digital circuits
• Includes power-down control capability for energy-efficient standby operation
• Utilizes a small form-factor SMD package suitable for high-density PCB layouts

Applications

• Portable consumer electronics requiring low power consumption
• Communication modules needing precise clock signals
• Embedded systems with limited board space constraints

Procurement Notes

Verify the specific suffix 'PD' confirms the power-down functionality against the manufacturer's official datasheet. Ensure the operating voltage matches the system's 1.8V rail requirements. Confirm the package footprint aligns with the design layout specifications before finalizing procurement orders.

Selection Notes

Select this component when a low-voltage, small-footprint oscillator with power management is required. Compare against other models in the 18QHTF21 series for frequency options. Evaluate thermal performance and load capacitance requirements to ensure compatibility with the target application environment.

Part Context

This part belongs to the 18QHTF21 series of surface-mount crystal oscillators from Mercury Electronics. The series offers various frequencies and output types within a standardized 2.0x1.6mm package. It is designed for applications demanding stable timing sources in compact electronic devices.

Replacement Considerations

Direct substitutes include other 18QHTF21 variants with identical pinout and voltage but different frequencies or control suffixes. Verify electrical parameters and package dimensions match exactly before substitution.