SXTHM218AA174-40.000M

Crystals Overview

The SXTHM218AA174-40.000M is a fundamental mode crystal oscillator manufactured by Suntsu Electronics, Inc. It operates at a nominal frequency of 40 MHz with a frequency tolerance of ±50 ppm and load capacitance of 18 pF. The component features a series resistance of 30 Ohms and is housed in an HC-49/US package. It supports an operating temperature range of -10°C to +70°C and complies with RoHS standards.

Crystals Feature Summary

• Fundamental oscillation mode for stable timing
• HC-49/US through-hole package configuration
• RoHS compliant construction

Crystals Applications

• Precision timing circuits
• Microcontroller clock sources
• Communication equipment oscillators

Crystals Procurement Notes

Verify the specific suffix codes against official Suntsu Electronics documentation to confirm exact tolerance and stability ratings. Ensure the HC-49/US package dimensions match your PCB layout requirements. Confirm RoHS compliance status if required by your manufacturing standards before finalizing procurement orders.

Crystals Selection Notes

Select this component when a 40 MHz fundamental frequency is required with standard ±50 ppm tolerance. The HC-49/US package suits applications needing through-hole mounting. Consider the 18 pF load capacitance requirement for circuit design compatibility. Evaluate the -10°C to +70°C temperature range against environmental conditions.

Crystals Part Context

This part belongs to the Suntsu Electronics crystal oscillator family designed for general-purpose frequency control. It utilizes quartz resonator technology within a standardized metal can package. The model designation indicates specific electrical parameters including frequency, load capacitance, and tolerance levels defined by the manufacturer.

Crystals Replacement Considerations

Cross-reference with other HC-49/US 40 MHz crystals from different manufacturers ensuring identical 18 pF load capacitance and ≤30 Ohm series resistance. Verify that substitute components meet the same ±50 ppm tolerance and temperature range specifications for direct functional replacement.