SXT1148FB48-40.000M

Crystals Overview

The SXT1148FB48-40.000M is a surface-mount crystal oscillator manufactured by Suntsu Electronics, Inc. It operates at a fundamental frequency of 40.000 MHz with a load capacitance of 8 pF and an equivalent series resistance of 100 Ohms. The component provides a frequency stability of ±30 ppm and functions within an industrial temperature range of -40°C to +85°C. It utilizes a 4-SMD, No Lead package design suitable for automated assembly processes.

Crystals Feature Summary

• Surface-mount construction in a 4-SMD no lead package
• Industrial temperature operation from -40°C to +85°C
• Fundamental mode resonance at 40 MHz

Crystals Applications

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

Crystals Procurement Notes

Verify the specific suffix 'FB48' against the manufacturer's official datasheet to confirm package dimensions and pin configuration. Ensure the load capacitance requirement of the target circuit matches the 8 pF specification. Confirm that the ±30 ppm stability meets the system timing tolerance requirements before finalizing procurement.

Crystals Selection Notes

Select this component when a 40 MHz reference is required for space-constrained designs. The 4-SMD form factor supports high-volume surface mount technology assembly. Consider the 100 Ohm ESR value for oscillator circuit compatibility. Verify that the operating temperature range aligns with the environmental conditions of the end application.

Crystals Part Context

This part belongs to the SXT1148 series of surface-mount crystals from Suntsu Electronics. The series offers various frequencies and stability options. The FB48 designation indicates specific physical dimensions and mounting characteristics distinct from other variants in the product line.

Crystals Replacement Considerations

Cross-reference with SXT1148BA48-40.000M or SXT1148FB38-40.000M only if electrical parameters and package dimensions are identical. Verify manufacturer approval for substitution.