18QHTF21-37.000-OE

Oscillators Overview

The Mercury Electronics 18QHTF21-37.000-OE is a quartz crystal resonator designed for high-frequency applications. It operates at a fundamental frequency of 37.000 MHz. The component utilizes a hermetically sealed metal can package, specifically the HC-49/U style, ensuring environmental stability and long-term reliability. This series is engineered to provide precise frequency control in electronic circuits requiring stable oscillation.

Oscillators Feature Summary

• Hermetically sealed metal can construction for enhanced environmental protection
• Fundamental mode operation for precise frequency generation
• Designed for stable oscillation in high-frequency circuit applications

Oscillators Applications

• General purpose oscillator circuits
• Microcontroller clock sources
• Communication equipment timing references

Oscillators Procurement Notes

Verify the specific load capacitance requirements against your circuit design before procurement. Ensure the operating temperature range aligns with your application environment. Confirm that the HC-49/U package dimensions fit within your PCB layout constraints. Cross-reference the datasheet specifications for impedance and motional parameters to guarantee compatibility with your oscillator topology.

Oscillators Selection Notes

Select this component when a fundamental frequency crystal is required for 37 MHz applications. Consider the package size and mounting style for mechanical integration. Evaluate the stability requirements against the standard tolerance levels provided in the official documentation. Ensure the drive level limits are respected within the target circuit to prevent frequency shifts or damage.

Oscillators Part Context

This part belongs to the Mercury Electronics quartz crystal family, which specializes in discrete resonators for consumer and industrial electronics. The 18QHTF21 series typically denotes a specific line of through-hole mounted crystals. These components serve as critical timing elements in various digital and analog systems where accurate frequency reference is essential for proper operation.

Oscillators Replacement Considerations

Direct replacements must match the 37.000 MHz frequency and HC-49/U package. Verify equivalent electrical parameters such as load capacitance and ESR from competing manufacturers. Ensure the replacement part meets the same hermetic sealing standards if environmental robustness is required.