QT49-10.000MAHI-B

Overview

The QT49-10.000MAHI-B is a 10 MHz fundamental mode crystal oscillator manufactured by QST. It features a frequency stability of ±30ppm and a load capacitance of 16pF. The component utilizes an HC-49/US through-hole package with dimensions of 11.50mm length and 5.00mm width. It operates within a temperature range of -40°C to +85°C and complies with RoHS standards.

Feature Summary

• Fundamental resonance mode operation for precise timing
• Through-hole mounting configuration for robust mechanical attachment
• Wide industrial operating temperature range capability

Applications

• Automotive body electronics systems
• Industrial control equipment timing circuits
• Medical device signal processing modules

Procurement Notes

Verify the specific load capacitance requirement against the target circuit design, as this unit specifies 16pF. Confirm that the HC-49/US form factor aligns with the PCB layout constraints. Ensure the ±30ppm frequency tolerance meets the system's clock accuracy specifications before finalizing the procurement order.

Selection Notes

Select this component when a through-hole crystal is required for automotive or industrial environments. The HC-49/US package offers superior mechanical stability compared to surface-mount alternatives. Consider the 16pF load capacitance compatibility with the microcontroller or oscillator circuit input impedance.

Part Context

This part belongs to the QST QT49 series of standard through-hole crystals. It serves as a basic timing element for digital logic circuits. The HC-49/US style is a legacy but widely adopted package type known for reliability in harsh environments. It differs from surface-mount variants like the QT532G series in physical footprint and mounting method.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.