603-38.88-7

Crystals Overview

The Fox Electronics 603-38.88-7 is a surface-mount MHz crystal operating at a fundamental frequency of 38.88 MHz. It features a load capacitance of 12 pF and a frequency tolerance of ±20 ppm. The component exhibits an equivalent series resistance (ESR) of 30 Ohms and supports base harmonic operation. Designed for reliability, it functions within a temperature range of -40°C to +85°C. The device utilizes a 4-SMD, no-lead package with dimensions of 3.30mm x 2.60mm and a maximum height of 1.10mm.

Crystals Feature Summary

• Fundamental mode operation at 38.88 MHz
• Surface-mount 4-SMD no-lead packaging
• Wide industrial temperature range capability

Crystals Applications

• Clock generation for digital circuits
• Microcontroller oscillator interfaces
• Communication module timing references

Crystals Procurement Notes

Verify the specific manufacturer designation when sourcing, as this specification is also produced by Renesas Electronics under part number 603-38.88-7JA4I8. Confirm package compatibility and lead-free status against the current datasheet from Fox Electronics or authorized distributors to ensure alignment with design requirements.

Crystals Selection Notes

Select this component for applications requiring a precise 38.88 MHz reference signal in space-constrained designs. The 12 pF load capacitance must match the circuit's external capacitive requirements. Ensure the ±20 ppm stability meets system timing accuracy needs and that the 30 Ohm ESR is compatible with the oscillator circuit's drive level specifications.

Crystals Part Context

This crystal belongs to the FX325BS series, designed for general-purpose timing applications. It serves as a standard frequency reference component in consumer electronics and industrial equipment. The 4-SMD form factor allows for automated assembly processes, supporting high-volume manufacturing environments where consistent performance across temperature variations is critical.

Crystals Replacement Considerations

The Renesas Electronics part number 603-38.88-7JA4I8 is a confirmed substitute with identical electrical characteristics and package dimensions.