SXTHM219AA384-40.000M

Crystals Overview

The SXTHM219AA384-40.000M is a surface-mount crystal oscillator manufactured by Suntsu Electronics, Inc. It operates at a fundamental frequency of 40.000 MHz with a frequency stability of ±50 ppm. The component features a load capacitance of 19 pF and an equivalent series resistance (ESR) of 30 Ohms. It utilizes the HC-49/US package form factor adapted for surface mount technology. The device is designed to function within an operating temperature range of -30°C to +85°C.

Crystals Feature Summary

• Surface-mount configuration utilizing the HC-49/US package style
• Fundamental mode operation at 40 MHz
• Temperature stable performance across industrial ranges

Crystals Applications

• Microcontroller clock sources
• Communication interface timing
• Digital signal processing circuits

Crystals Procurement Notes

Verify the specific suffix 'M' indicates the tape and reel packaging format as documented in distributor listings. Confirm RoHS3 compliance status directly with the manufacturer or authorized distributors prior to ordering. Ensure the selected variant matches the required load capacitance and ESR specifications for the target circuit design to guarantee oscillation stability.

Crystals Selection Notes

Select this component when a 40 MHz surface-mount crystal with HC-49/US dimensions is required. The ±50 ppm stability suits general digital applications. Consider the 19 pF load capacitance requirement for circuit matching. The wide temperature range supports industrial environments. Verify availability in tape and reel format if automated assembly is planned.

Crystals Part Context

This part belongs to the SXTHM series of surface-mount crystals from Suntsu Electronics. The series offers various frequencies within the HC-49/US footprint. Other variants include different frequencies such as 32 MHz or 24 MHz. The series maintains consistent electrical characteristics across frequency options. This specific model provides the 40 MHz option for standard clocking needs.

Crystals Replacement Considerations

Direct substitutes may include other manufacturers offering HC-49/US SMD crystals with identical 40 MHz frequency, 19 pF load capacitance, and ±50 ppm stability. Verify pin compatibility and mechanical dimensions before substitution. Cross-reference datasheets for equivalent ESR values.