ATS-49-R 7.372800

Overview

The ATS-49-R 7.372800 is a fundamental mode quartz crystal manufactured by MtronPTI, designed for precision timing applications. It operates at a nominal frequency of 7.3728 MHz with a tolerance of ±30 ppm and stability of ±50 ppm. The component features an 18 pF load capacitance and a maximum series resistance of 100 Ohms. It utilizes the HC-49/US through-hole package, ensuring compatibility with standard PCB layouts. This active device supports reliable clock signal generation in electronic circuits requiring stable frequency references.

Feature Summary

• Fundamental oscillation mode ensures precise frequency control
• HC-49/US through-hole package for robust mechanical mounting
• Low series resistance design for efficient circuit integration

Applications

• Microcontroller clock sources
• Communication interface timing
• Digital logic circuit synchronization

Procurement Notes

Verify the specific load capacitance and series resistance requirements against the target circuit design before procurement. Confirm that the HC-49/US package dimensions align with the available PCB footprint. Ensure the ±30 ppm tolerance meets the system's frequency accuracy specifications. Cross-reference the datasheet to validate the operating temperature range for the intended environment.

Selection Notes

Select this component when a fundamental mode crystal with 7.3728 MHz frequency is required. Consider the 18 pF load capacitance to ensure proper oscillator circuit matching. Evaluate the 100 Ohm maximum series resistance against the driver strength of the connected IC. Choose this part for applications needing standard through-hole mounting and proven reliability in digital timing systems.

Part Context

This crystal belongs to the ATS-49-R series from MtronPTI, which focuses on general-purpose timing solutions. The series offers various frequency options within the same physical form factor. It serves as a cost-effective alternative to surface-mount crystals where space constraints are less critical. The product line emphasizes stability and long-term frequency consistency for industrial and consumer electronics.

Replacement Considerations

Direct substitutes must match the 7.3728 MHz frequency, HC-49/US package, and 18 pF load capacitance. Verify equivalent electrical parameters such as tolerance and series resistance. Ensure the replacement maintains fundamental mode operation. Check manufacturer-specific characteristics like aging rate if high precision is required.