EFO-S4004E5

Resonators Overview

The EFO-S4004E5 is a surface-mount ceramic resonator manufactured by Panasonic Electronic Components. It operates at a nominal frequency of 4 MHz with a frequency tolerance of ±5000 ppm and stability of ±0.2%. The device features built-in capacitors with a load capacitance of 33 pF. Physical dimensions are 7.8 mm in length, 3.2 mm in width, and 3.0 mm in height. It functions within an operating temperature range of -20°C to +80°C.

Resonators Feature Summary

• Encased in a compact ceramic package for surface mount technology
• Integrates built-in capacitors to simplify circuit design
• Provides stable timing signals for microcontroller clock applications

Resonators Applications

• Microcontroller clock generation circuits
• Timing references for embedded systems
• Clock sources for consumer electronic devices

Resonators Procurement Notes

Verify the specific manufacturer designation, as Panasonic Industry and Panasonic Electronic Components may be listed interchangeably. Confirm RoHS compliance status through official documentation. Ensure the package type matches the required surface mount footprint. Check current availability status as supply conditions may vary by region.

Resonators Selection Notes

Select this component when a 4 MHz timing source is required with integrated load capacitors. Consider the physical size constraints relative to the 7.8 x 3.2 mm footprint. Evaluate thermal requirements against the -20°C to +80°C operating range. Compare frequency stability needs against the ±0.2% specification for precision applications.

Resonators Part Context

This part belongs to the family of chip-type ceramic resonators designed for SMD assembly. It serves as a cost-effective alternative to crystal oscillators in applications where high precision is not critical. The built-in capacitor feature reduces external component count compared to discrete crystal setups.

Resonators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided data.