SXT1148CA38-40.000M

Crystals Overview

The SXT1148CA38-40.000M is a surface-mount crystal oscillator manufactured by Suntsu Electronics, Inc. It operates at a fundamental frequency of 40.000 MHz with a tolerance of ±25 ppm. The component features an 8 pF load capacitance and a maximum series resistance of 100 Ohms. It is housed in a compact 4-SMD, No Lead package suitable for automated assembly processes.

Crystals Feature Summary

• Surface-mount design for automated PCB assembly
• Fundamental mode quartz crystal operation
• RoHS compliant manufacturing process

Crystals Applications

• Microcontroller clock sources
• Communication interface timing
• General-purpose digital circuit oscillators

Crystals Procurement Notes

Verify the specific suffix 'M' against the manufacturer's official documentation to confirm lead-free status and RoHS compliance. Ensure the ordering part number matches the required frequency tolerance and load capacitance specifications for the target application circuit design.

Crystals Selection Notes

Select this component when a 40 MHz fundamental frequency with ±25 ppm stability is required. The 8 pF load capacitance must match the oscillator circuit requirements. The 4-SMD package size should be evaluated against available board space constraints and soldering profile capabilities.

Crystals Part Context

This part belongs to the SXT1148 series of surface-mount crystals from Suntsu Electronics. The series offers various frequency options within a standardized small footprint, providing consistent electrical characteristics across different operating frequencies for embedded system designs.

Crystals Replacement Considerations

Direct substitutes include other 40 MHz ±25 ppm crystals in 4-SMD packages with 8 pF load capacitance. Verify equivalent series resistance limits and drive level specifications before substitution to ensure circuit stability.