18QHTF21-49.09058-PD

Oscillators Overview

The 18QHTF21-49.09058-PD is a standard frequency crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 49.09058 MHz and utilizes LVCMOS output logic levels. The device is designed for surface mount installation in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm. It functions at a supply voltage of 1.8V and includes a standby or power-down feature to manage energy consumption during inactive periods.

Oscillators Feature Summary

• Supports low-voltage operation at 1.8V for efficient power management
• Integrates a standby mode to reduce power consumption when not in use
• Delivers standard LVCMOS signal outputs for digital interface compatibility
• Utilizes a leadless surface-mount package for automated assembly

Oscillators Applications

• Digital signal processing clock generation
• Communication system timing references
• Embedded controller clock sources
• Data acquisition system synchronization

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the target circuit design before procurement. Confirm that the 1.8V supply voltage aligns with the system's power rails. Ensure the PCB footprint matches the 4-SMD no-lead package dimensions to prevent soldering defects. Check for any RoHS compliance documentation if environmental regulations apply to the final product assembly.

Oscillators Selection Notes

Select this component when a precise 49.09058 MHz reference is required in space-constrained designs. The choice is driven by the need for low-power operation via the standby feature. Consider the LVCMOS output swing compatibility with downstream logic gates. Evaluate the thermal performance within the operating temperature range to ensure long-term stability under varying environmental conditions.

Oscillators Part Context

This oscillator belongs to the Mercury Electronics family of surface-mount crystal oscillators. The series is characterized by small form factors suitable for portable electronics. The manufacturer specializes in frequency control products, offering various packaging options. This specific model represents a standard configuration within their portfolio of timed signal generators.

Oscillators Replacement Considerations

Direct substitutes must match the 49.09058 MHz frequency, 1.8V voltage, and 4-SMD package. Verify equivalent LVCMOS output characteristics and standby functionality. Cross-reference pinout configurations to ensure electrical compatibility without circuit modification.